Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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Summary
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Details
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... ... @@ -1,1 +1,1 @@ 1 -LT-22222-L LoRa IO Controller User Manual 1 +LT-22222-L -- LoRa I/O Controller User Manual - Author
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Bei - Content
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... ... @@ -3,6 +3,10 @@ 3 3 4 4 5 5 6 + 7 + 8 + 9 + 6 6 **Table of Contents:** 7 7 8 8 {{toc/}} ... ... @@ -13,38 +13,32 @@ 13 13 14 14 15 15 16 -= 1.Introduction = 20 += 1. Introduction = 17 17 18 -== 1.1 What is LT SeriesI/O Controller ==22 +== 1.1 What is the LT-22222-L I/O Controller? == 19 19 20 20 ((( 21 - 22 - 23 23 ((( 24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring. 25 -))) 26 -))) 26 +The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs. 27 27 28 -((( 29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on. 28 +The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology. 30 30 ))) 31 - 32 -((( 33 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology. 34 34 ))) 35 35 36 36 ((( 37 - The useenvironment includes:33 +With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands. 38 38 ))) 39 39 40 40 ((( 41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless. 42 -))) 37 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways: 43 43 44 -((( 45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless. 39 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it. 40 +* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network. 41 +* Setup your own private LoRaWAN network. 46 46 47 - 43 +{{info}} 44 + You can use a LoRaWAN gateway, such as the [[Dragino LG308>>https://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], to expand or create LoRaWAN coverage in your area. 45 +{{/info}} 48 48 ))) 49 49 50 50 ((( ... ... @@ -53,265 +53,256 @@ 53 53 54 54 ))) 55 55 56 -== 1.2 54 +== 1.2 Specifications == 57 57 58 -((( 59 - 60 - 61 61 (% style="color:#037691" %)**Hardware System:** 62 -))) 63 63 64 -* ((( 65 -STM32L072xxxx MCU 66 -))) 67 -* ((( 68 -SX1276/78 Wireless Chip 69 -))) 70 -* ((( 71 -((( 72 -Power Consumption: 73 -))) 58 +* STM32L072xxxx MCU 59 +* SX1276/78 Wireless Chip 60 +* Power Consumption: 61 +** Idle: 4mA@12V 62 +** 20dB Transmit: 34mA@12V 63 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew 74 74 75 -* ((( 76 -Idle: 4mA@12v 77 -))) 78 -* ((( 79 -20dB Transmit: 34mA@12v 80 -))) 81 -))) 65 +(% style="color:#037691" %)**Interface for Model: LT22222-L:** 82 82 83 -((( 84 - 67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor) 68 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA) 69 +* 2 x Relay Output (5A@250VAC / 30VDC) 70 +* 2 x 0~~20mA Analog Input (res:0.01mA) 71 +* 2 x 0~~30V Analog Input (res:0.01V) 72 +* Power Input 7~~ 24V DC. 85 85 86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:** 87 -))) 74 +(% style="color:#037691" %)**LoRa Spec:** 88 88 89 -* (((90 - 2x DigitaldualdirectionInput(DetectHigh/Low signal, Max:50v,or220vwith optional external resistor)91 -) ))92 -* (((93 -2 xDigital Output(NPNoutput.Max pull upvoltage 36V,450mA)94 - )))95 -* (((96 - 2xRelay Output(5A@250VAC/30VDC)97 - )))98 -* (((99 - 2x0~~20mAAnalogInput(res:0.01mA)100 - )))101 -* (((102 - 2x0~~30VAnalog Input(res:0.01v)103 - )))104 -* (((105 - PowerInput7~~24VDC.106 - )))76 +* Frequency Range: 77 +** Band 1 (HF): 862 ~~ 1020 MHz 78 +** Band 2 (LF): 410 ~~ 528 MHz 79 +* 168 dB maximum link budget. 80 +* +20 dBm - 100 mW constant RF output vs. 81 +* +14 dBm high-efficiency PA. 82 +* Programmable bit rate up to 300 kbps. 83 +* High sensitivity: down to -148 dBm. 84 +* Bullet-proof front end: IIP3 = -12.5 dBm. 85 +* Excellent blocking immunity. 86 +* Low RX current of 10.3 mA, 200 nA register retention. 87 +* Fully integrated synthesizer with a resolution of 61 Hz. 88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 89 +* Built-in bit synchronizer for clock recovery. 90 +* Preamble detection. 91 +* 127 dB Dynamic Range RSSI. 92 +* Automatic RF Sense and CAD with ultra-fast AFC. 93 +* Packet engine up to 256 bytes with CRC. 107 107 108 -((( 109 - 95 +== 1.3 Features == 110 110 111 -(% style="color:#037691" %)**LoRa Spec:** 112 -))) 97 +* LoRaWAN Class A & Class C modes 98 +* Optional Customized LoRa Protocol 99 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869 100 +* AT Commands to change parameters 101 +* Remotely configure parameters via LoRaWAN Downlink 102 +* Firmware upgradable via program port 103 +* Counting 113 113 114 -* ((( 115 -((( 116 -Frequency Range: 117 -))) 105 +== 1.4 Applications == 118 118 119 -* ((( 120 -Band 1 (HF): 862 ~~ 1020 Mhz 121 -))) 122 -* ((( 123 -Band 2 (LF): 410 ~~ 528 Mhz 124 -))) 125 -))) 126 -* ((( 127 -168 dB maximum link budget. 128 -))) 129 -* ((( 130 -+20 dBm - 100 mW constant RF output vs. 131 -))) 132 -* ((( 133 -+14 dBm high efficiency PA. 134 -))) 135 -* ((( 136 -Programmable bit rate up to 300 kbps. 137 -))) 138 -* ((( 139 -High sensitivity: down to -148 dBm. 140 -))) 141 -* ((( 142 -Bullet-proof front end: IIP3 = -12.5 dBm. 143 -))) 144 -* ((( 145 -Excellent blocking immunity. 146 -))) 147 -* ((( 148 -Low RX current of 10.3 mA, 200 nA register retention. 149 -))) 150 -* ((( 151 -Fully integrated synthesizer with a resolution of 61 Hz. 152 -))) 153 -* ((( 154 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 155 -))) 156 -* ((( 157 -Built-in bit synchronizer for clock recovery. 158 -))) 159 -* ((( 160 -Preamble detection. 161 -))) 162 -* ((( 163 -127 dB Dynamic Range RSSI. 164 -))) 165 -* ((( 166 -Automatic RF Sense and CAD with ultra-fast AFC. 167 -))) 168 -* ((( 169 -Packet engine up to 256 bytes with CRC. 107 +* Smart buildings & home automation 108 +* Logistics and supply chain management 109 +* Smart metering 110 +* Smart agriculture 111 +* Smart cities 112 +* Smart factory 170 170 114 +== 1.5 Hardware Variants == 171 171 172 - 116 + 117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %) 118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description** 119 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)((( 120 +(% style="text-align:center" %) 121 +[[image:image-20230424115112-1.png||height="106" width="58"]] 122 +)))|(% style="width:334px" %)((( 123 +* 2 x Digital Input (Bi-direction) 124 +* 2 x Digital Output 125 +* 2 x Relay Output (5A@250VAC / 30VDC) 126 +* 2 x 0~~20mA Analog Input (res:0.01mA) 127 +* 2 x 0~~30V Analog Input (res:0.01v) 128 +* 1 x Counting Port 173 173 ))) 174 174 175 -= =1.3Features==131 += 2. Assembling the device = 176 176 133 +== 2.1 Connecting the antenna == 177 177 178 - *LoRaWANClassA&ClassCprotocol135 +Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise. 179 179 180 -* Optional Customized LoRa Protocol 137 +{{warning}} 138 +Warning! Do not power on the device without connecting the antenna. 139 +{{/warning}} 181 181 182 - *Frequency Bands:CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869141 +== 2.2 Terminals == 183 183 184 - *ATCommands to change parameters143 +The LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 terminals and the lower screw terminal block has 10 terminals. 185 185 186 - * Remoteconfigureparameters viaLoRaDownlink145 +Upper screw terminal block (from left to right): 187 187 188 -* Firmware upgradable via program port 147 +(% style="width:634px" %) 148 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function 149 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground 150 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage 151 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2 152 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1 153 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2 154 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1 189 189 190 - * Counting156 +Lower screw terminal block (from left to right): 191 191 192 -== 1.4 Applications == 158 +(% style="width:633px" %) 159 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function 160 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1 161 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1 162 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2 163 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2 164 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2 165 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2 166 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1 167 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1 168 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2 169 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1 193 193 171 +== 2.3 Powering the device == 194 194 195 - *SmartBuildings&HomeAutomation173 +The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered. 196 196 197 -* L ogistics and SupplyChainManagement175 +Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status. 198 198 199 -* Smart Metering 177 +{{warning}} 178 +We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail. 179 +{{/warning}} 200 200 201 -* Smart Agriculture 202 202 203 - * Smart Cities182 +[[image:1653297104069-180.png]] 204 204 205 -* Smart Factory 206 206 185 += 3. Registering with a LoRaWAN Network Server = 207 207 187 +By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots. 208 208 189 +After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status. 209 209 210 - ==1.5 HardwareVariants ==191 +In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device. 211 211 193 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network. 212 212 213 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %) 214 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description** 215 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)((( 216 -(% style="text-align:center" %) 217 -[[image:image-20230424115112-1.png||height="106" width="58"]] 218 -)))|(% style="width:334px" %)((( 219 -* 2 x Digital Input (Bi-direction) 220 -* 2 x Digital Output 221 -* 2 x Relay Output (5A@250VAC / 30VDC) 222 -* 2 x 0~~20mA Analog Input (res:0.01mA) 223 -* 2 x 0~~30V Analog Input (res:0.01v) 224 -* 1 x Counting Port 225 -))) 195 +[[image:image-20220523172350-1.png||height="266" width="864"]] 226 226 227 -= 2. owerON Device =197 +=== 3.2.1 Prerequisites === 228 228 199 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference. 229 229 230 -((( 231 -The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller. 232 -))) 201 +[[image:image-20230425173427-2.png||height="246" width="530"]] 233 233 234 -((( 235 -PWR will on when device is properly powered. 203 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers. 236 236 237 - 238 -))) 205 +=== 3.2.2 The Things Stack Sandbox (TTSS) === 239 239 240 - [[image:1653297104069-180.png]]207 +The Things Stack Sandbox was formally called The Things Stack Community Edition. 241 241 209 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account. 210 +* Create an application with The Things Stack if you do not have one yet. 211 +* Go to your application page and click on the **End devices** in the left menu. 212 +* On the End devices page, click on **+ Register end device**. Two registration options are available: 242 242 243 -= 3. OperationMode =214 +==== 3.2.2.1 Using the LoRaWAN Device Repository ==== 244 244 245 -== 3.1 How it works? == 216 +* On the **Register end device** page: 217 +** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**. 218 +** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists. 219 +*** **End device brand**: Dragino Technology Co., Limited 220 +*** **Model**: LT22222-L I/O Controller 221 +*** **Hardware ver**: Unknown 222 +*** **Firmware ver**: 1.6.0 223 +*** **Profile (Region)**: Select the region that matches your device. 224 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list. 246 246 226 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]] 247 247 248 -((( 249 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 250 -))) 251 251 252 -((( 253 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices. 254 -))) 229 +* Register end device page continued... 230 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'. 231 +** In the **DevEUI** field, enter the **DevEUI**. 232 +** In the **AppKey** field, enter the **AppKey.** 233 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application. 234 +** Under **After registration**, select the **View registered end device** option. 255 255 236 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]] 256 256 257 -== 3.2Exampleto join LoRaWAN network==238 +==== ==== 258 258 240 +==== 3.2.2.2 Adding device manually ==== 259 259 260 -((( 261 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 242 +* On the **Register end device** page: 243 +** Select the option **Enter end device specifies manually** under **Input method**. 244 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list. 245 +** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3** 246 +** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A** 247 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section. 248 +** Select the option **Over the air activation (OTAA)** under the **Activation mode.** 249 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list. 262 262 263 - 264 -))) 251 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]] 265 265 266 -[[image:image-20220523172350-1.png||height="266" width="864"]] 267 267 254 +* Register end device page continued... 255 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network' 256 +** In the **DevEUI** field, enter the **DevEUI**. 257 +** In the **AppKey** field, enter the **AppKey**. 258 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application. 259 +** Under **After registration**, select the **View registered end device** option. 260 +** Click the **Register end device** button. 268 268 269 -((( 270 -The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN: 262 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]] 271 271 272 - 273 -))) 274 274 275 -((( 276 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller. 277 -))) 265 +You will be navigated to the **Device overview** page. 278 278 279 -((( 280 -Each LT is shipped with a sticker with the default device EUI as below: 281 -))) 282 282 283 -[[image: image-20230425173427-2.png||height="246" width="530"]]268 +[[image:lt-22222-device-overview.png||height="625" width="1000"]] 284 284 285 285 286 - Inputthese keys in the LoRaWAN Server portal.Belowis TTN screenshot:271 +==== 3.2.2.3 Joining ==== 287 287 288 - **AddAPPEUIin the application.**273 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display. 289 289 290 - [[image:1653297955910-247.png||height="321"width="716"]]275 +Now power on your LT-22222-L. It will begin joining The Things Stack. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). 291 291 292 292 293 - **Add APP KEYandDEV EUI**278 +[[image:lt-22222-join-network.png||height="625" width="1000"]] 294 294 295 -[[image:1653298023685-319.png]] 296 296 281 +By default, you will receive an uplink data message from the device every 10 minutes. 297 297 283 +Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object. 298 298 299 -((( 300 -(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel. 285 +[[image:lt-22222-ul-payload-decoded.png]] 301 301 302 - 303 -))) 304 304 305 - [[image:1653298044601-602.png||height="405"width="709"]]288 +If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes. 306 306 290 +{{info}} 291 +The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters. 292 +{{/info}} 307 307 308 - == 3.3 Uplink Payload ==294 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]] 309 309 310 310 311 - Therearefive workingmodes+ oneinterruptmodeon LTfordifferent typeapplication:297 +== 3.3 Work Modes and Uplink Payload formats == 312 312 313 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO 314 314 300 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands. 301 + 302 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO 303 + 315 315 * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO 316 316 317 317 * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO ... ... @@ -322,14 +322,21 @@ 322 322 323 323 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 324 324 314 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes. 315 + 325 325 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 326 326 327 - 328 328 ((( 329 -Th e uplink payload includestotally 9 bytes. Uplink packetsuse FPORT=2 and every 10 minutessendoneuplink by default. (%style="display:none" %)319 +This is the default mode. 330 330 321 +The uplink payload is 11 bytes long. 322 + 323 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is. 324 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 325 +It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %) 326 + 331 331 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 332 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**328 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1** 333 333 |Value|((( 334 334 AVI1 voltage 335 335 )))|((( ... ... @@ -338,31 +338,31 @@ 338 338 ACI1 Current 339 339 )))|((( 340 340 ACI2 Current 341 -)))|DIDORO*|((( 337 +)))|**DIDORO***|((( 342 342 Reserve 343 343 )))|MOD 344 344 ))) 345 345 346 346 ((( 347 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination forRO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1.Totally1bytesas below343 +(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, and its size is1 byte long as shown below. 348 348 349 349 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 350 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 351 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1 346 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 347 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1 352 352 ))) 353 353 354 -* RO is for relay. ROx=1 close,ROx=0 alwaysopen.355 -* DI is for digital input. DIx=1: highorfloat, DIx=0:low.356 -* DO is for reverse digital output. DOx=1: output low, DOx=0:highorfloat.350 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN. 351 +* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW. 352 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING. 357 357 358 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L** 354 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L** 359 359 360 -For example if payload is: [[image:image-20220523175847-2.png]] 356 +For example, if the payload is: [[image:image-20220523175847-2.png]] 361 361 362 362 363 -**The value fortheinterfaceis: **359 +**The interface values can be calculated as follows: ** 364 364 365 -AVI1 channel voltage is 0x04AB/1000=1195 (DEC)/1000=1.195V361 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V 366 366 367 367 AVI2 channel voltage is 0x04AC/1000=1.196V 368 368 ... ... @@ -370,38 +370,39 @@ 370 370 371 371 ACI2 channel current is 0x1300/1000=4.864mA 372 372 373 -The last byte 0xAA= 10101010( B) means369 +The last byte 0xAA= **10101010**(b) means, 374 374 375 -* [1] RO1 relay channel is close and the RO1 LED is ON. 376 -* [0] RO2 relay channel is open and RO2 LED is OFF; 371 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON. 372 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF. 373 +* **[1] DI3 - not used for LT-22222-L.** 374 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF. 375 +* [1] DI1 channel input state: 376 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-. 377 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE. 378 +** DI1 LED is ON in both cases. 379 +* **[0] DO3 - not used for LT-22222-L.** 380 +* [1] DO2 channel output is LOW, and the DO2 LED is ON. 381 +* [0] DO1 channel output state: 382 +** DO1 is FLOATING when there is no load between DO1 and V+. 383 +** DO1 is HIGH when there is a load between DO1 and V+. 384 +** DO1 LED is OFF in both cases. 377 377 378 -**LT22222-L:** 379 - 380 -* [1] DI2 channel is high input and DI2 LED is ON; 381 -* [0] DI1 channel is low input; 382 - 383 -* [0] DO3 channel output state 384 -** DO3 is float in case no load between DO3 and V+.; 385 -** DO3 is high in case there is load between DO3 and V+. 386 -** DO3 LED is off in both case 387 -* [1] DO2 channel output is low and DO2 LED is ON. 388 -* [0] DO1 channel output state 389 -** DO1 is float in case no load between DO1 and V+.; 390 -** DO1 is high in case there is load between DO1 and V+. 391 -** DO1 LED is off in both case 392 - 393 393 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 394 394 395 395 396 396 ((( 397 -**For LT-22222-L**: this mode the**DI1 and DI2** are used as counting pins.390 +**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins. 398 398 ))) 399 399 400 400 ((( 401 -T otal:11 bytespayload394 +The uplink payload is 11 bytes long. 402 402 403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 404 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 396 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is. 397 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 398 +It starts counting again when it reaches the maximum value.** 399 + 400 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 401 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1** 405 405 |Value|COUNT1|COUNT2 |DIDORO*|((( 406 406 Reserve 407 407 )))|MOD ... ... @@ -408,40 +408,36 @@ 408 408 ))) 409 409 410 410 ((( 411 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination forRO1, RO2, DO3, DO2 and DO1.Totally1bytesas below408 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, FIRST, Reserve, Reserve, DO3, DO2 and DO1, and its size is 1 byte long as shown below. 412 412 413 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)414 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 415 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 410 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 411 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 412 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1 416 416 417 -RO is for relay. ROx=1 close,ROx=0 alwaysopen.414 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN. 418 418 ))) 419 419 420 -* FIRST: Indicate this is the first packet after join network. 421 -* DO is for reverse digital output. DOx=1: output low, DOx=0:highorfloat.417 +* FIRST: Indicates that this is the first packet after joining the network. 418 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING. 422 422 423 423 ((( 424 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 425 -))) 421 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L** 426 426 427 -((( 428 428 424 +))) 429 429 430 -**To use counting mode, please run:** 426 +((( 427 +**To activate this mode, run the following AT commands:** 431 431 ))) 432 432 430 +((( 433 433 (% class="box infomessage" %) 434 434 ((( 435 -((( 436 -((( 437 437 **AT+MOD=2** 438 -))) 439 439 440 -((( 441 441 **ATZ** 442 442 ))) 443 443 ))) 444 -))) 445 445 446 446 ((( 447 447 ... ... @@ -452,27 +452,30 @@ 452 452 ((( 453 453 **For LT22222-L:** 454 454 455 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** lowlevel,valid signal is 100ms) **448 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) ** 456 456 457 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** highlevel,valid signal is 100ms450 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) ** 458 458 459 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** lowlevel,valid signal is 100ms) **452 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) ** 460 460 461 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** highlevel,valid signal is 100ms454 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) ** 462 462 463 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** Set COUNT1 value to 60)**456 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)** 464 464 465 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)** Set COUNT2 value to 60)**458 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)** 466 466 ))) 467 467 468 468 469 469 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 470 470 464 +(% style="color:red" %)**Note: The maximum count depends on the bytes it is. 465 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 466 +It starts counting again when it reaches the maximum value.** 471 471 472 -**LT22222-L**: This mode the DI1 is used as a counting pin.468 +**LT22222-L**: In this mode, the DI1 is used as a counting pin. 473 473 474 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)475 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**470 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 471 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1** 476 476 |Value|COUNT1|((( 477 477 ACI1 Current 478 478 )))|((( ... ... @@ -480,56 +480,58 @@ 480 480 )))|DIDORO*|Reserve|MOD 481 481 482 482 ((( 483 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination forRO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1.Totally1bytesas below479 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below. 484 484 485 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)486 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 487 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 481 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 482 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 483 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1 488 488 ))) 489 489 490 -* RO is for relay. ROx=1 ,ROx=0 always open.491 -* FIRST: Indicate this is the first packet after join network. 492 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 486 +* RO is for the relay. ROx=1: closed, ROx=0 always open. 487 +* FIRST: Indicates that this is the first packet after joining the network. 488 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating. 493 493 494 494 ((( 495 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.** 491 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 496 496 ))) 497 497 498 498 499 499 ((( 500 -**To usecountingmode,pleaserun:**496 +**To activate this mode, run the following AT commands:** 501 501 ))) 502 502 499 +((( 503 503 (% class="box infomessage" %) 504 504 ((( 505 -((( 506 -((( 507 507 **AT+MOD=3** 508 -))) 509 509 510 -((( 511 511 **ATZ** 512 512 ))) 513 513 ))) 514 -))) 515 515 516 516 ((( 517 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 509 +AT Commands for counting: 510 + 511 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s. 518 518 ))) 519 519 520 520 521 521 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 522 522 517 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is. 518 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 519 +It starts counting again when it reaches the maximum value.** 523 523 521 + 524 524 ((( 525 -**LT22222-L**: This mode the DI1 is used as a counting pin.523 +**LT22222-L**: In this mode, the DI1 is used as a counting pin. 526 526 ))) 527 527 528 528 ((( 529 -The AVI1 is also used for counting. AVI1 is usedtomonitor the voltage.Itwillcheck thevoltage**every 60s**,if voltage is higher or lower than VOLMAX mV, the AVI1Countingincrease 1,so AVI1 countingcanbe used to measure a machine working hour.527 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours. 530 530 531 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)532 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**529 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 530 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1** 533 533 |Value|COUNT1|AVI1 Counting|DIDORO*|((( 534 534 Reserve 535 535 )))|MOD ... ... @@ -536,65 +536,64 @@ 536 536 ))) 537 537 538 538 ((( 539 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination forRO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1.Totally1bytesas below537 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below. 540 540 541 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)542 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 543 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 539 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 540 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 541 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1 544 544 ))) 545 545 546 -* RO is for relay. ROx=1 ,ROx=0 always open.547 -* FIRST: Indicate this is the first packet after join network. 548 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 544 +* RO is for the relay. ROx=1: closed, ROx=0 always open. 545 +* FIRST: Indicates that this is the first packet after joining the network. 546 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating. 549 549 550 550 ((( 551 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.** 552 -))) 549 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 553 553 554 -((( 555 555 552 +))) 556 556 557 -**To use this mode, please run:** 554 +((( 555 +**To activate this mode, run the following AT commands:** 558 558 ))) 559 559 558 +((( 560 560 (% class="box infomessage" %) 561 561 ((( 562 -((( 563 -((( 564 564 **AT+MOD=4** 565 -))) 566 566 567 -((( 568 568 **ATZ** 569 569 ))) 570 570 ))) 571 -))) 572 572 573 - 574 574 ((( 575 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 568 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s. 576 576 ))) 577 577 578 578 ((( 579 -** Plusbelow command for AVI1 Counting:**572 +**In addition to that, below are the commands for AVI1 Counting:** 580 580 581 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** set AVI Count to 60)**574 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)** 582 582 583 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** 576 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 584 584 585 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** 578 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 586 586 587 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** 580 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 588 588 ))) 589 589 590 590 591 591 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 592 592 586 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is. 587 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec). 588 +It starts counting again when it reaches the maximum value.** 593 593 594 -**LT22222-L**: This mode the DI1 is used as a counting pin. 595 595 596 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 597 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1** 591 +**LT22222-L**: In this mode, the DI1 is used as a counting pin. 592 + 593 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 594 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1** 598 598 |Value|((( 599 599 AVI1 voltage 600 600 )))|((( ... ... @@ -606,44 +606,38 @@ 606 606 )))|MOD 607 607 608 608 ((( 609 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination forRO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1.Totally1bytesas below606 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below. 610 610 611 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)612 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 608 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 609 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 613 613 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 614 614 ))) 615 615 616 -* RO is for relay. ROx=1 ,ROx=0 always open.617 -* FIRST: Indicate this is the first packet after join network. 613 +* RO is for the relay. ROx=1: closed, ROx=0 always open. 614 +* FIRST: Indicates that this is the first packet after joining the network. 618 618 * ((( 619 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 616 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating. 620 620 ))) 621 621 622 622 ((( 623 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.** 620 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 624 624 ))) 625 625 626 626 ((( 627 - 628 - 629 -**To use this mode, please run:** 624 +**To activate this mode, run the following AT commands:** 630 630 ))) 631 631 627 +((( 632 632 (% class="box infomessage" %) 633 633 ((( 634 -((( 635 -((( 636 636 **AT+MOD=5** 637 -))) 638 638 639 -((( 640 640 **ATZ** 641 641 ))) 642 642 ))) 643 -))) 644 644 645 645 ((( 646 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 637 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s. 647 647 ))) 648 648 649 649 ... ... @@ -650,49 +650,48 @@ 650 650 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 651 651 652 652 653 -(% style="color:#4f81bd" %)**This mode is anoptionalmode for trigger purpose. It can runtogether with other mode.**644 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.** 654 654 655 -For example, if u serhasconfiguredbelow commands:646 +For example, if you configured the following commands: 656 656 657 -* **AT+MOD=1 ** **~-~->** The normal workingmode658 -* **AT+ADDMOD6=1** **~-~->** Enable trigger 648 +* **AT+MOD=1 ** **~-~->** The default work mode 649 +* **AT+ADDMOD6=1** **~-~->** Enable trigger mode 659 659 660 -LT will keepmonitoringAV1/AV2/AC1/AC2 every 5 seconds;LT will send uplink packets in two cases:651 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases: 661 661 662 -1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type 663 -1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.** 653 +1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks. 654 +1. ((( 655 +Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.** 656 +))) 664 664 665 -(% style="color:#037691" %)**AT Command to set Trigger Condition**: 658 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**: 666 666 660 +(% style="color:#4f81bd" %)**Trigger based on voltage**: 667 667 668 -(% style="color:#4f81bd" %)**Trigger base on voltage**: 669 - 670 670 Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH> 671 671 672 672 673 673 **Example:** 674 674 675 -AT+AVLIM=3000,6000,0,2000 ( If AVI1 voltage lower than 3vor higher than 6v.v, LT will trigger Uplink)667 +AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V) 676 676 677 -AT+AVLIM=5000,0,0,0 ( If AVI1 voltage lower than 5V, triggeruplink,0 meansignore)669 +AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use) 678 678 679 679 672 +(% style="color:#4f81bd" %)**Trigger based on current**: 680 680 681 -(% style="color:#4f81bd" %)**Trigger base on current**: 682 - 683 683 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> 684 684 685 685 686 686 **Example:** 687 687 688 -AT+ACLIM=10000,15000,0,0 ( If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)679 +AT+ACLIM=10000,15000,0,0 (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA) 689 689 690 690 682 +(% style="color:#4f81bd" %)**Trigger based on DI status**: 691 691 692 - (%style="color:#4f81bd"%)**Triggerbaseon DI status**:684 +DI status triggers Flag. 693 693 694 -DI status trigger Flag. 695 - 696 696 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 697 697 698 698 ... ... @@ -701,42 +701,41 @@ 701 701 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 702 702 703 703 704 -(% style="color:#037691" %)**Downlink Command toset Trigger Condition:**694 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:** 705 705 706 706 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 707 707 708 708 Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4 709 709 710 - AA: Code for this downlink Command: 700 + AA: Type Code for this downlink Command: 711 711 712 - xx: 0: Limit for AV1 and AV2; ,DI2 trigger enable/disable702 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable. 713 713 714 - yy1 yy1: AC1 or AV1 lowlimit or DI1/DI2 trigger status.704 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status. 715 715 716 - yy2 yy2: AC1 or AV1 highlimit.706 + yy2 yy2: AC1 or AV1 HIGH limit. 717 717 718 - yy3 yy3: AC2 or AV2 lowlimit.708 + yy3 yy3: AC2 or AV2 LOW limit. 719 719 720 - Yy4 yy4: AC2 or AV2 highlimit.710 + Yy4 yy4: AC2 or AV2 HIGH limit. 721 721 722 722 723 -**Example1**: AA 00 13 88 00 00 00 00 00 00 713 +**Example 1**: AA 00 13 88 00 00 00 00 00 00 724 724 725 -Same as AT+AVLIM=5000,0,0,0 If AVI1 voltage lower than 5V, triggeruplink,0 meansignore)715 +Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use) 726 726 727 727 728 -**Example2**: AA 02 01 00 718 +**Example 2**: AA 02 01 00 729 729 730 -Same as AT+ DTRI =1,0 720 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 731 731 732 732 733 - 734 734 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 735 735 736 -MOD6 Payload payload725 +MOD6 Payload: total of 11 bytes 737 737 738 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)739 -|(% style="background-color:# d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**727 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 728 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1** 740 740 |Value|((( 741 741 TRI_A FLAG 742 742 )))|((( ... ... @@ -747,10 +747,10 @@ 747 747 MOD(6) 748 748 ))) 749 749 750 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 739 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below 751 751 752 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)753 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 741 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 742 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 754 754 |((( 755 755 AV1_LOW 756 756 )))|((( ... ... @@ -769,17 +769,17 @@ 769 769 AC2_HIGH 770 770 ))) 771 771 772 -* Each bit sshows if the corresponding trigger has been configured.761 +* Each bit shows if the corresponding trigger has been configured. 773 773 774 774 **Example:** 775 775 776 -10100000: Means the system has configure to use the trigger: A C1_LOW and AV2_LOW765 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW 777 777 778 778 779 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below 768 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below 780 780 781 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)782 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 770 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 771 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** 783 783 |((( 784 784 AV1_LOW 785 785 )))|((( ... ... @@ -798,20 +798,20 @@ 798 798 AC2_HIGH 799 799 ))) 800 800 801 -* Each bit sshows which status has been trigger on this uplink.790 +* Each bit shows which status has been triggered on this uplink. 802 802 803 803 **Example:** 804 804 805 -10000000: Means this p acketis trigger by AC1_LOW.Means voltage too low.794 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low. 806 806 807 807 808 808 (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below 809 809 810 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)799 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 811 811 |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 812 812 |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG 813 813 814 -* Each bits shows which status has been trigger on this uplink. 803 +* Each bits shows which status has been triggered on this uplink. 815 815 816 816 **Example:** 817 817 ... ... @@ -838,63 +838,83 @@ 838 838 ))) 839 839 840 840 841 -== 3.4 Configure LT via AT or Downlink == 830 +== 3.4 Configure LT-22222-L via AT Commands or Downlinks == 842 842 843 - 844 844 ((( 845 - Usercan configure LT I/O Controller via AT Commands or LoRaWAN DownlinkCommands833 +You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks. 846 846 ))) 847 847 848 848 ((( 849 849 ((( 850 -There are two kinds ofCommands:838 +There are two tytes of commands: 851 851 ))) 852 852 ))) 853 853 854 -* (% style="color:blue" %)**Common Commands**(%%):They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]842 +* (% style="color:blue" %)**Common commands**(%%): 855 855 856 -* (% style="color:blue" %)**Sensor RelatedCommands**(%%):These commands are special designed for LT-22222-L. User can see these commands below:844 +* (% style="color:blue" %)**Sensor-related commands**(%%): 857 857 858 -=== 3.4.1 Common Commands ===846 +=== 3.4.1 Common commands === 859 859 860 - 861 861 ((( 862 -The yshouldbe available for each of DraginoSensors,such as:changeuplink interval,reset device. For firmware v1.5.4, usercan findwhat common commandsit supports:849 +These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s. 863 863 ))) 864 864 852 +=== 3.4.2 Sensor-related commands === 865 865 866 - ===3.4.2Sensorrelated commands===854 +These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload. 867 867 868 868 ==== 3.4.2.1 Set Transmit Interval ==== 869 869 858 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes. 870 870 871 - Setdevice uplink interval.860 +(% style="color:#037691" %)**AT command** 872 872 873 -* (% style="color:#037691" %)**AT Command:** 862 +(% style="width:500px" %) 863 +|**Command**|AT+TDC<time> 864 +|**Response**| 865 +|**Parameters**|<time> uplink interval is in milliseconds 866 +|**Example**|((( 867 +AT+TDC=30000 874 874 875 -(% style="color:blue" %)**AT+TDC=N ** 869 +Sets the uplink interval to 30,000 milliseconds (30 seconds) 870 +))) 876 876 872 +(% style="color:#037691" %)**Downlink payload** 877 877 878 -**Example: **AT+TDC=30000. Means set interval to 30 seconds 874 +(% style="width:500px" %) 875 +|**Payload**|((( 876 +<prefix><time> 877 +))) 878 +|**Parameters**|((( 879 +<prefix> 0x01 879 879 881 +<time> uplink interval is in milliseconds, represented by 3 bytes in hexadecimal. 882 +))) 883 +|**Example**|((( 884 +01 **00 75 30** 880 880 881 - * (%style="color:#037691"%)**DownlinkPayload(prefix0x01):**886 +Sets the uplink interval to 30,000 milliseconds (30 seconds) 882 882 883 - (% style="color:blue"%)**0x01aa bb cc **(%%)**~/~/Same as AT+TDC=0x(aabb cc)**888 +Conversion: 30000 (dec) = 00 75 30 (hex) 884 884 890 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]] 891 +))) 885 885 893 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ==== 886 886 887 -==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 888 888 896 +Sets the work mode. 889 889 890 - Setworkmode.898 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N ** 891 891 892 - *(%style="color:#037691"%)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N **900 +Where N is the work mode. 893 893 894 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode902 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode. 895 895 896 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 897 897 905 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):** 906 + 898 898 (% style="color:blue" %)**0x0A aa **(%%)** ** ~/~/ Same as AT+MOD=aa 899 899 900 900 ... ... @@ -901,11 +901,13 @@ 901 901 902 902 ==== 3.4.2.3 Poll an uplink ==== 903 903 913 +Requests the device to send an uplink. 904 904 905 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink 906 906 907 -* (% style="color:#037691" %)** DownlinkPayload(prefix0x08):**916 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink 908 908 918 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):** 919 + 909 909 (% style="color:blue" %)**0x08 FF **(%%)** **~/~/ Poll an uplink 910 910 911 911 **Example**: 0x08FF, ask device to send an Uplink ... ... @@ -912,16 +912,15 @@ 912 912 913 913 914 914 915 -==== 3.4.2.4 Enable Trigger Mode ==== 926 +==== 3.4.2.4 Enable/Disable Trigger Mode ==== 916 916 928 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]). 917 917 918 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 919 - 920 920 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0** 921 921 922 -(% style="color:red" %)**1:** (%%)Enable TriggerMode932 +(% style="color:red" %)**1:** (%%)Enable the trigger mode 923 923 924 -(% style="color:red" %)**0: **(%%)Disable TriggerMode934 +(% style="color:red" %)**0: **(%%)Disable the trigger mode 925 925 926 926 927 927 * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** ... ... @@ -932,9 +932,8 @@ 932 932 933 933 ==== 3.4.2.5 Poll trigger settings ==== 934 934 945 +Polls the trigger settings. 935 935 936 -Poll trigger settings 937 - 938 938 * (% style="color:#037691" %)**AT Command:** 939 939 940 940 There is no AT Command for this feature. ... ... @@ -941,18 +941,17 @@ 941 941 942 942 * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 943 943 944 -(% style="color:blue" %)**0xAB 06 ** (%%) ~/~/ Poll trigger settings ,device will uplink trigger settings once receive this command953 +(% style="color:blue" %)**0xAB 06 ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command 945 945 946 946 947 947 948 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 957 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ==== 949 949 959 +Enable or disable DI1/DI2/DI2 as a trigger. 950 950 951 -Enable Disable DI1/DI2/DI2 as trigger, 952 - 953 953 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 954 954 955 -**Example:** AT+ DTRI =1,0 963 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 956 956 957 957 958 958 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** ... ... @@ -961,11 +961,10 @@ 961 961 962 962 963 963 964 -==== 3.4.2.7 Trigger1 – Set DI 1or DI3 as trigger ====972 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ==== 965 965 974 +Sets DI1 or DI3 (for LT-33222-L) as a trigger. 966 966 967 -Set DI1 or DI3(for LT-33222-L) trigger. 968 - 969 969 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b** 970 970 971 971 (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). ... ... @@ -980,19 +980,17 @@ 980 980 (% style="color:blue" %)**0x09 01 aa bb cc ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc) 981 981 982 982 990 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ==== 983 983 984 - ==== 3.4.2.8 Trigger2 –Set DI2 as trigger====992 +Sets DI2 as a trigger. 985 985 986 - 987 -Set DI2 trigger. 988 - 989 989 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b** 990 990 991 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 996 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1). 992 992 993 993 (% style="color:red" %)**b :** (%%)delay timing. 994 994 995 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 1000 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms ) 996 996 997 997 998 998 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** ... ... @@ -1000,12 +1000,10 @@ 1000 1000 (% style="color:blue" %)**0x09 02 aa bb cc ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc) 1001 1001 1002 1002 1008 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ==== 1003 1003 1004 - ====3.4.2.9Trigger– Set AC(current)astrigger ====1010 +Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1005 1005 1006 - 1007 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1008 - 1009 1009 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM** 1010 1010 1011 1011 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** ... ... @@ -1016,9 +1016,8 @@ 1016 1016 1017 1017 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 1018 1018 1022 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1019 1019 1020 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1021 - 1022 1022 * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 1023 1023 1024 1024 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** ... ... @@ -1026,12 +1026,10 @@ 1026 1026 (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1027 1027 1028 1028 1029 - 1030 1030 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1031 1031 1033 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger. 1032 1032 1033 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 1034 - 1035 1035 * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5 ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger. 1036 1036 1037 1037 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** ... ... @@ -1046,6 +1046,7 @@ 1046 1046 1047 1047 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1048 1048 1049 +Controls the digital outputs DO1, DO2, and DO3 1049 1049 1050 1050 * (% style="color:#037691" %)**AT Command** 1051 1051 ... ... @@ -1064,7 +1064,7 @@ 1064 1064 01: Low, 00: High , 11: No action 1065 1065 1066 1066 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 1067 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**1068 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3** 1068 1068 |02 01 00 11|Low|High|No Action 1069 1069 |02 00 11 01|High|No Action|Low 1070 1070 |02 11 01 00|No Action|Low|High ... ... @@ -1107,7 +1107,7 @@ 1107 1107 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1108 1108 1109 1109 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1110 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**1111 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status** 1111 1111 |0x01|DO1 set to low 1112 1112 |0x00|DO1 set to high 1113 1113 |0x11|DO1 NO Action ... ... @@ -1115,7 +1115,7 @@ 1115 1115 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1116 1116 1117 1117 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1118 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**1119 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status** 1119 1119 |0x01|DO2 set to low 1120 1120 |0x00|DO2 set to high 1121 1121 |0x11|DO2 NO Action ... ... @@ -1123,7 +1123,7 @@ 1123 1123 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1124 1124 1125 1125 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1126 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**1127 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status** 1127 1127 |0x01|DO3 set to low 1128 1128 |0x00|DO3 set to high 1129 1129 |0x11|DO3 NO Action ... ... @@ -1160,7 +1160,7 @@ 1160 1160 1161 1161 1162 1162 1163 -==== 3.4.2. 1164 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1164 1164 1165 1165 1166 1166 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1178,10 +1178,10 @@ 1178 1178 ))) 1179 1179 1180 1180 ((( 1181 -0 1: Close , 00: Open , 11: No action1182 +00: Closed , 01: Open , 11: No action 1182 1182 1183 1183 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %) 1184 -|(% style="background-color:# d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**1185 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2** 1185 1185 |03 00 11|Open|No Action 1186 1186 |03 01 11|Close|No Action 1187 1187 |03 11 00|No Action|Open ... ... @@ -1300,7 +1300,7 @@ 1300 1300 1301 1301 1302 1302 1303 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1304 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ==== 1304 1304 1305 1305 1306 1306 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1421,75 +1421,145 @@ 1421 1421 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]] 1422 1422 1423 1423 1424 -== 3.5 Integrat ewithMydevice==1425 +== 3.5 Integrating with ThingsEye.io == 1425 1425 1427 +The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic. 1426 1426 1427 - Mydevicesprovidesa humanendlyinterface to show thesensor data, once wehave datainTTN, we can useMydevicesto connect to TTNand see the data in Mydevices.Below are the steps:1429 +=== 3.5.1 Configuring The Things Stack === 1428 1428 1429 -((( 1430 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1431 -))) 1431 +We use The Things Stack Sandbox in this example: 1432 1432 1433 -((( 1434 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1433 +* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added. 1434 +* Select **MQTT** under **Integrations** in the left menu. 1435 +* In the **Connection information **section, under **Connection credentials**, The Things Stack displays an auto-generated **username**. You can use it or provide a new one. 1436 +* Click the **Generate new API key** button to generate a password. You can view it by clicking on the **visibility toggle/eye** icon. The API key works as the password. 1435 1435 1436 - 1437 -))) 1438 +{{info}} 1439 +The username and password (API key) you created here are required in the next section. 1440 +{{/info}} 1438 1438 1439 -[[image: image-20220719105525-1.png||height="377" width="677"]]1442 +[[image:tts-mqtt-integration.png||height="625" width="1000"]] 1440 1440 1444 +=== 3.5.2 Configuring ThingsEye.io === 1441 1441 1446 +* Login to your [[ThingsEye.io >>https://thingseye.io]]account. 1447 +* Under the **Integrations center**, click **Integrations**. 1448 +* Click the **Add integration** button (the button with the **+** symbol). 1442 1442 1443 -[[image:i mage-20220719110247-2.png||height="388" width="683"]]1450 +[[image:thingseye-io-step-1.png||height="625" width="1000"]] 1444 1444 1445 1445 1446 - (%style="color:blue"%)**Step 3**(%%): Create anaccount orloginMydevices.1453 +On the **Add integration** window, configure the following: 1447 1447 1448 - (% style="color:blue" %)**Step 4**(%%): SearchLT-22222-L(for both LT-22222-L) and add DevEUI.(%style="display:none" %)1455 +**Basic settings:** 1449 1449 1450 -Search under The things network 1457 +* Select **The Things Stack Community** from the **Integration type** list. 1458 +* Enter a suitable name for your integration in the **Name **text** **box or keep the default name. 1459 +* Ensure the following options are turned on. 1460 +** Enable integration 1461 +** Debug mode 1462 +** Allow create devices or assets 1463 +* Click the **Next** button. you will be navigated to the **Uplink data converter** tab. 1451 1451 1452 -[[image: 1653356838789-523.png||height="337" width="740"]]1465 +[[image:thingseye-io-step-2.png||height="625" width="1000"]] 1453 1453 1454 1454 1468 +**Uplink data converter:** 1455 1455 1456 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1470 +* Click the **Create new** button if it is not selected by default. 1471 +* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name. 1472 +* Click the **JavaScript** button. 1473 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]]. 1474 +* Click the **Next** button. You will be navigated to the **Downlink data converter **tab. 1457 1457 1458 -[[image:i mage-20220524094909-1.png||height="335" width="729"]]1476 +[[image:thingseye-io-step-3.png||height="625" width="1000"]] 1459 1459 1460 1460 1461 - [[image:image-20220524094909-2.png||height="337"width="729"]]1479 +**Downlink data converter (this is an optional step):** 1462 1462 1481 +* Click the **Create new** button if it is not selected by default. 1482 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name. 1483 +* Click the **JavaScript** button. 1484 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]]. 1485 +* Click the **Next** button. You will be navigated to the **Connection** tab. 1463 1463 1464 -[[image:i mage-20220524094909-3.png||height="338" width="727"]]1487 +[[image:thingseye-io-step-4.png||height="625" width="1000"]] 1465 1465 1466 1466 1467 - [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)1490 +**Connection:** 1468 1468 1492 +* Choose **Region** from the **Host type**. 1493 +* Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...). 1494 +* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see Configuring The Things Stack). 1495 +* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**. 1469 1469 1470 -[[image: image-20220524094909-5.png||height="341" width="734"]]1497 +[[image:message-1.png]] 1471 1471 1472 1472 1473 - ==3.6InterfaceDetail==1500 +* Click the **Add** button. 1474 1474 1502 +[[image:thingseye-io-step-5.png||height="625" width="1000"]] 1503 + 1504 + 1505 +Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings. 1506 + 1507 + 1508 +[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]] 1509 + 1510 + 1511 +**Viewing integration details**: 1512 + 1513 +Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration. 1514 + 1515 +[[image:integration-details.png||height="686" width="1000"]] 1516 + 1517 + 1518 +If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button. 1519 + 1520 +{{info}} 1521 +See also ThingsEye documentation. 1522 +{{/info}} 1523 + 1524 +**Viewing events:** 1525 + 1526 +The **Events **tab displays all the uplink messages from the LT-22222-L. 1527 + 1528 +* Select **Debug **from the **Event type** dropdown. 1529 +* Select the** time frame** from the **time window**. 1530 + 1531 +[[image:thingseye-events.png||height="686" width="1000"]] 1532 + 1533 + 1534 +* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message. 1535 + 1536 +[[image:thingseye-json.png||width="1000"]] 1537 + 1538 + 1539 +**Deleting the integration**: 1540 + 1541 +If you want to delete this integration, click the **Delete integratio**n button. 1542 + 1543 + 1544 +== 3.6 Interface Details == 1545 + 1475 1475 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1476 1476 1477 1477 1478 -Support NPN Type sensor1549 +Support NPN-type sensor 1479 1479 1480 1480 [[image:1653356991268-289.png]] 1481 1481 1482 1482 1483 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1554 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) === 1484 1484 1485 1485 1486 1486 ((( 1487 -The DI port of LT-22222-L can support **NPN** or**PNP** or **DryContact** output sensor.1558 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors. 1488 1488 ))) 1489 1489 1490 1490 ((( 1491 1491 ((( 1492 - Internal circuitas below,the NEC2501is aphotocoupler,theActive current(from NEC2501 pin 1 to pin 2 is 1maandthemax currentis50mA).(% class="mark" %)Whenthere isactive currentpassNEC2501 pin1 to pin2.The DIwillbe activehighand DI LED statuswillchange.1563 +The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH and the DI LED status changes. 1493 1493 1494 1494 1495 1495 ))) ... ... @@ -1499,7 +1499,7 @@ 1499 1499 1500 1500 ((( 1501 1501 ((( 1502 - When use need1573 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected. 1503 1503 ))) 1504 1504 ))) 1505 1505 ... ... @@ -1508,22 +1508,22 @@ 1508 1508 ))) 1509 1509 1510 1510 ((( 1511 -(% style="color: blue" %)**Example1**(%%): Connect to aLow1582 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor. 1512 1512 ))) 1513 1513 1514 1514 ((( 1515 -This type of sensor willoutput a low signalGNDwhen active.1586 +This type of sensor outputs a low (GND) signal when active. 1516 1516 ))) 1517 1517 1518 1518 * ((( 1519 -Connect sensor's output to DI1- 1590 +Connect the sensor's output to DI1- 1520 1520 ))) 1521 1521 * ((( 1522 -Connect sensor's VCC to DI1+. 1593 +Connect the sensor's VCC to DI1+. 1523 1523 ))) 1524 1524 1525 1525 ((( 1526 - So when sensor active, the current between NEC2501 pin1 and pin2 is:1597 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be: 1527 1527 ))) 1528 1528 1529 1529 ((( ... ... @@ -1531,7 +1531,7 @@ 1531 1531 ))) 1532 1532 1533 1533 ((( 1534 - If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA ,Sothe LT-22222-L will be able to detect this active signal.1605 +For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal. 1535 1535 ))) 1536 1536 1537 1537 ((( ... ... @@ -1539,22 +1539,22 @@ 1539 1539 ))) 1540 1540 1541 1541 ((( 1542 -(% style="color: blue" %)**Example2**(%%): Connect to aHigh1613 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor. 1543 1543 ))) 1544 1544 1545 1545 ((( 1546 -This type of sensor willoutput a high signal (example24v) when active.1617 +This type of sensor outputs a high signal (e.g., 24V) when active. 1547 1547 ))) 1548 1548 1549 1549 * ((( 1550 -Connect sensor's output to DI1+ 1621 +Connect the sensor's output to DI1+ 1551 1551 ))) 1552 1552 * ((( 1553 -Connect sensor's GND DI1-. 1624 +Connect the sensor's GND DI1-. 1554 1554 ))) 1555 1555 1556 1556 ((( 1557 - So when sensor active, the current between NEC2501 pin1 and pin2 is:1628 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be: 1558 1558 ))) 1559 1559 1560 1560 ((( ... ... @@ -1562,7 +1562,7 @@ 1562 1562 ))) 1563 1563 1564 1564 ((( 1565 -If **DI1+ = 24 v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mASo the LT-22222-L willbe able todetect this high1636 +If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] is 24mA, Therefore, the LT-22222-L will detect this high-active signal. 1566 1566 ))) 1567 1567 1568 1568 ((( ... ... @@ -1570,22 +1570,22 @@ 1570 1570 ))) 1571 1571 1572 1572 ((( 1573 -(% style="color: blue" %)**Example3**(%%): Connect to a 220vhigh1644 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor. 1574 1574 ))) 1575 1575 1576 1576 ((( 1577 -Assume u serwant to monitor an active signal higher than 220v,to make surenotburnthe photocoupler1648 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler 1578 1578 ))) 1579 1579 1580 1580 * ((( 1581 -Connect sensor's output to DI1+ with a serial50K resistor1652 +Connect the sensor's output to DI1+ with a 50K resistor in series. 1582 1582 ))) 1583 1583 * ((( 1584 -Connect sensor's GND DI1-. 1655 +Connect the sensor's GND DI1-. 1585 1585 ))) 1586 1586 1587 1587 ((( 1588 - So when sensor active, the current between NEC2501 pin1 and pin2 is:1659 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be: 1589 1589 ))) 1590 1590 1591 1591 ((( ... ... @@ -1593,34 +1593,37 @@ 1593 1593 ))) 1594 1594 1595 1595 ((( 1596 -If sensor output is 220 v, the.= 4.3mA ,Sothe LT-22222-L will be able to detect this highsafely.1667 +If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" wfd-invisible="true" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal. 1597 1597 ))) 1598 1598 1599 1599 1600 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor 1671 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor 1601 1601 1602 -From above DI portscircuit,we can see that activethe photocouplerwill needto haveavoltage difference between DI+ and DI- port.While the Dry Contact sensor is a passive componentwhichcan't provide this voltage difference.1673 +From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference. 1603 1603 1604 -To detect a Dry Contact, wecan providea power source to one pin of the Dry Contact. Below is a reference connection.1675 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram. 1605 1605 1606 1606 [[image:image-20230616235145-1.png]] 1607 1607 1679 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector 1608 1608 1681 +[[image:image-20240219115718-1.png]] 1609 1609 1610 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1611 1611 1684 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 === 1612 1612 1613 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v. 1614 1614 1615 -(% style="color: red" %)**Note: DOpins goto floatwhendevice ispoweroff.**1687 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V. 1616 1616 1689 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.** 1690 + 1617 1617 [[image:1653357531600-905.png]] 1618 1618 1619 1619 1620 -=== 3.6.4 Analog Input Interface === 1694 +=== 3.6.4 Analog Input Interfaces === 1621 1621 1622 1622 1623 -The analog input interface is as below. The LT will measure the IN2 voltagesoto calculate the current pass theLoad. The formula is:1697 +The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is: 1624 1624 1625 1625 1626 1626 (% style="color:blue" %)**AC2 = (IN2 voltage )/12** ... ... @@ -1627,14 +1627,14 @@ 1627 1627 1628 1628 [[image:1653357592296-182.png]] 1629 1629 1630 -Example toconnect a 4~~20mA sensor1704 +Example: Connecting a 4~~20mA sensor 1631 1631 1632 -We take the wind speed sensor as an example for reference only.1706 +We will use the wind speed sensor as an example for reference only. 1633 1633 1634 1634 1635 1635 (% style="color:blue" %)**Specifications of the wind speed sensor:** 1636 1636 1637 -(% style="color:red" %)**Red: 12~~24 v**1711 +(% style="color:red" %)**Red: 12~~24V** 1638 1638 1639 1639 (% style="color:#ffc000" %)**Yellow: 4~~20mA** 1640 1640 ... ... @@ -1647,7 +1647,7 @@ 1647 1647 [[image:1653357648330-671.png||height="155" width="733"]] 1648 1648 1649 1649 1650 -Example connectedto a regulated power supply to measure voltage1724 +Example: Connecting to a regulated power supply to measure voltage 1651 1651 1652 1652 [[image:image-20230608101532-1.png||height="606" width="447"]] 1653 1653 ... ... @@ -1656,7 +1656,7 @@ 1656 1656 [[image:image-20230608101722-3.png||height="102" width="1139"]] 1657 1657 1658 1658 1659 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(% %) (%style="color:blue" %)**:**1733 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:** 1660 1660 1661 1661 (% style="color:red" %)**Red: 12~~24v** 1662 1662 ... ... @@ -1667,9 +1667,9 @@ 1667 1667 1668 1668 1669 1669 ((( 1670 -The LT serial controllerhas two relay interfaces;eachinterfaceusestwo pins of the screw terminal.User can connectotherdevice'sPowerLinetoin serialof RO1_1 and RO_2. Such asbelow:1744 +The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below: 1671 1671 1672 -**Note**: RO pins gotoOpen(NO) whendeviceis power off.1746 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off. 1673 1673 ))) 1674 1674 1675 1675 [[image:image-20220524100215-9.png]] ... ... @@ -1680,13 +1680,11 @@ 1680 1680 1681 1681 == 3.7 LEDs Indicators == 1682 1682 1757 +The table below lists the behavior of LED indicators for each port function. 1683 1683 1684 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 1685 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature** 1686 -|**PWR**|Always on if there is power 1687 -|**SYS**|((( 1688 -After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message. 1689 -))) 1759 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %) 1760 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature** 1761 +|**PWR**|Always on when there is power 1690 1690 |**TX**|((( 1691 1691 ((( 1692 1692 Device boot: TX blinks 5 times. ... ... @@ -1693,7 +1693,7 @@ 1693 1693 ))) 1694 1694 1695 1695 ((( 1696 -Successful joinnetwork: TX ON for 5 seconds.1768 +Successful network join: TX remains ON for 5 seconds. 1697 1697 ))) 1698 1698 1699 1699 ((( ... ... @@ -1700,40 +1700,33 @@ 1700 1700 Transmit a LoRa packet: TX blinks once 1701 1701 ))) 1702 1702 ))) 1703 -|**RX**|RX blinks once when receive a packet. 1704 -|**DO1**| 1705 -|**DO2**| 1706 -|**DO3**| 1707 -|**DI2**|((( 1708 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1775 +|**RX**|RX blinks once when a packet is received. 1776 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high 1777 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high 1778 +|**DI1**|((( 1779 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low 1709 1709 ))) 1710 1710 |**DI2**|((( 1711 -For LT-22222-L: ON when DI2 is high, LOWwhen DI2 is low1782 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low 1712 1712 ))) 1713 -|**DI2**|((( 1714 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1715 -))) 1716 -|**RO1**| 1717 -|**RO2**| 1784 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open 1785 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open 1718 1718 1719 -= 4. Us eAT Command =1787 += 4. Using AT Commands = 1720 1720 1721 - ==4.1Access AT Command==1789 +The LT-22222-L supports programming using AT Commands. 1722 1722 1791 +== 4.1 Connecting the LT-22222-L to a PC == 1723 1723 1724 1724 ((( 1725 - LT supportsAT Command set. Usercan use a USBplusthe3.5mm Program Cable to connect toLTforusing AT command, as below.1794 +You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below. 1726 1726 ))) 1727 1727 1728 -((( 1729 - 1730 -))) 1731 - 1732 1732 [[image:1653358238933-385.png]] 1733 1733 1734 1734 1735 1735 ((( 1736 - In PC,Userneedsto set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]],SecureCRT) baud ratetoo accessserial consoleforLT.The AT commandsaredisable by default andneedto enterpassword (default:(% style="color:green" %)**123456**)(%%)oactiveit.As shown below:1801 +On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below: 1737 1737 ))) 1738 1738 1739 1739 [[image:1653358355238-883.png]] ... ... @@ -1740,194 +1740,63 @@ 1740 1740 1741 1741 1742 1742 ((( 1743 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1744 -))) 1808 +You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1745 1745 1746 -((( 1747 -AT+<CMD>? : Help on <CMD> 1810 +== 4.2 LT-22222-L related AT commands == 1748 1748 ))) 1749 1749 1750 1750 ((( 1751 -AT+<CMD> : Run <CMD> 1752 -))) 1814 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes. 1753 1753 1754 -((( 1755 -AT+<CMD>=<value> : Set the value 1816 +* AT+<CMD>? : Help on <CMD> 1817 +* AT+<CMD> : Run <CMD> 1818 +* AT+<CMD>=<value> : Set the value 1819 +* AT+<CMD>=? : Get the value 1820 +* ATZ: Trigger a reset of the MCU 1821 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 1822 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI) 1823 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr) 1824 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey) 1825 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey) 1826 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey) 1827 +* AT+APPEUI: Get or set the Application EUI (AppEUI) 1828 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON) 1829 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification) 1830 +* AT+DR: Get or set the Data Rate. (0-7 corresponding to DR_X) 1831 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1832 +* AT+PNM: Get or set the public network mode. (0: off, 1: on) 1833 +* AT+RX2FQ: Get or set the Rx2 window frequency 1834 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X) 1835 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms 1836 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms 1837 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1838 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1839 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA) 1840 +* AT+NWKID: Get or set the Network ID 1841 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp) 1842 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown) 1843 +* AT+CLASS: Get or set the Device Class 1844 +* AT+JOIN: Join network 1845 +* AT+NJS: Get OTAA Join Status 1846 +* AT+SENDB: Send hexadecimal data along with the application port 1847 +* AT+SEND: Send text data along with the application port 1848 +* AT+RECVB: Print last received data in binary format (with hexadecimal values) 1849 +* AT+RECV: Print last received data in raw format 1850 +* AT+VER: Get current image version and Frequency Band 1851 +* AT+CFM: Get or Set the confirmation mode (0-1) 1852 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1853 +* AT+SNR: Get the SNR of the last received packet 1854 +* AT+RSSI: Get the RSSI of the last received packet 1855 +* AT+TDC: Get or set the application data transmission interval in ms 1856 +* AT+PORT: Get or set the application port 1857 +* AT+DISAT: Disable AT commands 1858 +* AT+PWORD: Set password, max 9 digits 1859 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode 1860 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470 1861 +* AT+CFG: Print all settings 1756 1756 ))) 1757 1757 1758 -((( 1759 -AT+<CMD>=? : Get the value 1760 -))) 1761 1761 1762 -((( 1763 -ATZ: Trig a reset of the MCU 1764 -))) 1765 - 1766 -((( 1767 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 1768 -))) 1769 - 1770 -((( 1771 -AT+DEUI: Get or Set the Device EUI 1772 -))) 1773 - 1774 -((( 1775 -AT+DADDR: Get or Set the Device Address 1776 -))) 1777 - 1778 -((( 1779 -AT+APPKEY: Get or Set the Application Key 1780 -))) 1781 - 1782 -((( 1783 -AT+NWKSKEY: Get or Set the Network Session Key 1784 -))) 1785 - 1786 -((( 1787 -AT+APPSKEY: Get or Set the Application Session Key 1788 -))) 1789 - 1790 -((( 1791 -AT+APPEUI: Get or Set the Application EUI 1792 -))) 1793 - 1794 -((( 1795 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on) 1796 -))) 1797 - 1798 -((( 1799 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec) 1800 -))) 1801 - 1802 -((( 1803 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1804 -))) 1805 - 1806 -((( 1807 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1808 -))) 1809 - 1810 -((( 1811 -AT+PNM: Get or Set the public network mode. (0: off, 1: on) 1812 -))) 1813 - 1814 -((( 1815 -AT+RX2FQ: Get or Set the Rx2 window frequency 1816 -))) 1817 - 1818 -((( 1819 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X) 1820 -))) 1821 - 1822 -((( 1823 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms 1824 -))) 1825 - 1826 -((( 1827 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms 1828 -))) 1829 - 1830 -((( 1831 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1832 -))) 1833 - 1834 -((( 1835 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1836 -))) 1837 - 1838 -((( 1839 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1840 -))) 1841 - 1842 -((( 1843 -AT+NWKID: Get or Set the Network ID 1844 -))) 1845 - 1846 -((( 1847 -AT+FCU: Get or Set the Frame Counter Uplink 1848 -))) 1849 - 1850 -((( 1851 -AT+FCD: Get or Set the Frame Counter Downlink 1852 -))) 1853 - 1854 -((( 1855 -AT+CLASS: Get or Set the Device Class 1856 -))) 1857 - 1858 -((( 1859 -AT+JOIN: Join network 1860 -))) 1861 - 1862 -((( 1863 -AT+NJS: Get OTAA Join Status 1864 -))) 1865 - 1866 -((( 1867 -AT+SENDB: Send hexadecimal data along with the application port 1868 -))) 1869 - 1870 -((( 1871 -AT+SEND: Send text data along with the application port 1872 -))) 1873 - 1874 -((( 1875 -AT+RECVB: Print last received data in binary format (with hexadecimal values) 1876 -))) 1877 - 1878 -((( 1879 -AT+RECV: Print last received data in raw format 1880 -))) 1881 - 1882 -((( 1883 -AT+VER: Get current image version and Frequency Band 1884 -))) 1885 - 1886 -((( 1887 -AT+CFM: Get or Set the confirmation mode (0-1) 1888 -))) 1889 - 1890 -((( 1891 -AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1892 -))) 1893 - 1894 -((( 1895 -AT+SNR: Get the SNR of the last received packet 1896 -))) 1897 - 1898 -((( 1899 -AT+RSSI: Get the RSSI of the last received packet 1900 -))) 1901 - 1902 -((( 1903 -AT+TDC: Get or set the application data transmission interval in ms 1904 -))) 1905 - 1906 -((( 1907 -AT+PORT: Get or set the application port 1908 -))) 1909 - 1910 -((( 1911 -AT+DISAT: Disable AT commands 1912 -))) 1913 - 1914 -((( 1915 -AT+PWORD: Set password, max 9 digits 1916 -))) 1917 - 1918 -((( 1919 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode 1920 -))) 1921 - 1922 -((( 1923 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470 1924 -))) 1925 - 1926 -((( 1927 -AT+CFG: Print all settings 1928 -))) 1929 - 1930 - 1931 1931 == 4.2 Common AT Command Sequence == 1932 1932 1933 1933 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1936,41 +1936,41 @@ 1936 1936 1937 1937 1938 1938 ((( 1939 -(% style="color:blue" %)**If device has not joined network yet:** 1873 +(% style="color:blue" %)**If the device has not joined the network yet:** 1940 1940 ))) 1941 1941 ))) 1942 1942 1943 1943 ((( 1944 -(% style="background-color:#dcdcdc" %)**123456** 1878 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**## 1945 1945 ))) 1946 1946 1947 1947 ((( 1948 -(% style="background-color:#dcdcdc" %)**AT+FDR** 1882 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**## 1949 1949 ))) 1950 1950 1951 1951 ((( 1952 -(% style="background-color:#dcdcdc" %)**123456** 1886 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**## 1953 1953 ))) 1954 1954 1955 1955 ((( 1956 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** 1890 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**## 1957 1957 ))) 1958 1958 1959 1959 ((( 1960 -(% style="background-color:#dcdcdc" %)**ATZ** 1894 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**## 1961 1961 ))) 1962 1962 1963 1963 1964 1964 ((( 1965 -(% style="color:blue" %)**If device already joined network:** 1899 +(% style="color:blue" %)**If the device has already joined the network:** 1966 1966 ))) 1967 1967 1968 1968 ((( 1969 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** 1903 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**## 1970 1970 ))) 1971 1971 1972 1972 ((( 1973 -(% style="background-color:#dcdcdc" %)**ATZ** 1907 +(% style="background-color:#dcdcdc" %)##**ATZ**## 1974 1974 ))) 1975 1975 1976 1976 ... ... @@ -2047,8 +2047,6 @@ 2047 2047 dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.** 2048 2048 2049 2049 **4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.** 2050 - 2051 - 2052 2052 ))) 2053 2053 2054 2054 ((( ... ... @@ -2055,9 +2055,6 @@ 2055 2055 [[image:1653359097980-169.png||height="188" width="729"]] 2056 2056 ))) 2057 2057 2058 -((( 2059 - 2060 -))) 2061 2061 2062 2062 === 4.2.3 Change to Class A === 2063 2063 ... ... @@ -2065,44 +2065,58 @@ 2065 2065 ((( 2066 2066 (% style="color:blue" %)**If sensor JOINED:** 2067 2067 2068 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A 2069 -ATZ** 1997 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A** 1998 + 1999 +(% style="background-color:#dcdcdc" %)**ATZ** 2070 2070 ))) 2071 2071 2072 2072 2073 2073 = 5. Case Study = 2074 2074 2075 -== 5.1 Counting how many objects pass inFlow Line ==2005 +== 5.1 Counting how many objects pass through the flow Line == 2076 2076 2007 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]? 2077 2077 2078 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]? 2079 2079 2080 - 2081 2081 = 6. FAQ = 2082 2082 2083 - ==6.1 Howtoupgrade theimage?==2012 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly. 2084 2084 2085 2085 2086 - TheLTLoRaWANControlleris shippedwitha3.5mm cable,thecableis used to upload imageto LT to:2015 +== 6.1 How to update the firmware? == 2087 2087 2017 +Dragino frequently releases firmware updates for the LT-22222-L. 2018 + 2019 +Updating your LT-22222-L with the latest firmware version helps to: 2020 + 2088 2088 * Support new features 2089 -* F orbugfix2090 -* Change LoRaWAN bands .2022 +* Fix bugs 2023 +* Change LoRaWAN frequency bands 2091 2091 2092 - Belowshowsthe hardwareconnection forhow to uploadanimage to the LT:2025 +You will need the following things before proceeding: 2093 2093 2027 +* 3.5mm programming cable (included with the LT-22222-L as an additional accessory) 2028 +* USB to TTL adapter 2029 +* Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer) 2030 +* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region. 2031 + 2032 +{{info}} 2033 +As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1. 2034 +{{/info}} 2035 + 2036 +Below is the hardware setup for uploading a firmware image to the LT-22222-L: 2037 + 2038 + 2094 2094 [[image:1653359603330-121.png]] 2095 2095 2096 2096 2097 -((( 2098 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 2099 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. 2100 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 2101 - 2042 +Start the STM32 Flash Loader and choose the correct COM port to update. 2102 2102 2103 2103 ((( 2045 +((( 2104 2104 (% style="color:blue" %)**For LT-22222-L**(%%): 2105 -Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode. 2047 + 2048 +Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode. 2106 2106 ))) 2107 2107 2108 2108 ... ... @@ -2117,41 +2117,36 @@ 2117 2117 [[image:image-20220524104033-15.png]] 2118 2118 2119 2119 2120 -(% style="color:red" %)**Not ice**(%%): Incaseuserhaslost the program cable.Usercanhandmade one from a 3.5mm cable. The pin mapping is:2063 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows: 2121 2121 2122 - 2123 2123 [[image:1653360054704-518.png||height="186" width="745"]] 2124 2124 2125 2125 2126 2126 ((( 2127 2127 ((( 2128 -== 6.2 How to change the LoRa Frequency Bands/Region? == 2129 - 2130 - 2070 +== 6.2 How to change the LoRaWAN frequency band/region? == 2131 2131 ))) 2132 2132 ))) 2133 2133 2134 2134 ((( 2135 - Usercan follow the introductionfor[[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloadtheimages,choose the required image filefor download.2075 +You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file. 2136 2136 ))) 2137 2137 2138 2138 ((( 2139 2139 2140 2140 2141 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 2142 - 2143 - 2081 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? == 2144 2144 ))) 2145 2145 2146 2146 ((( 2147 2147 ((( 2148 -In this case, u sersneed to set LT-33222-L to work in ABP mode&transmitin only one frequency.2086 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency. 2149 2149 ))) 2150 2150 ))) 2151 2151 2152 2152 ((( 2153 2153 ((( 2154 -Assume wehave a LG02 workingin the frequency 868400000now , belowisthe step.2092 +Assume you have an LG02 working on the frequency 868400000. Below are the steps. 2155 2155 2156 2156 2157 2157 ))) ... ... @@ -2158,7 +2158,7 @@ 2158 2158 ))) 2159 2159 2160 2160 ((( 2161 -(% style="color: blue" %)**Step1**(%%): Log in TTN,Create an ABP device in the application and input thenetworksession key (NETSKEY),app session key (APPSKEY)fromthe device.2099 +(% style="color:#0000ff" %)**Step 1**(%%): Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device. 2162 2162 2163 2163 2164 2164 ))) ... ... @@ -2183,13 +2183,21 @@ 2183 2183 2184 2184 ((( 2185 2185 (% style="background-color:#dcdcdc" %)**123456** (%%) : Enter Password to have AT access. 2124 + 2186 2186 (% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset Parameters to Factory Default, Keys Reserve 2126 + 2187 2187 (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode 2128 + 2188 2188 (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Set the Adaptive Data Rate Off 2130 + 2189 2189 (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Set AT+DR=3 for 915 band) 2132 + 2190 2190 (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds 2134 + 2191 2191 (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz 2136 + 2192 2192 (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%) : Set Device Address to 26 01 1A F1 2138 + 2193 2193 (% style="background-color:#dcdcdc" %)**ATZ** (%%) : Reset MCU 2194 2194 ))) 2195 2195 ... ... @@ -2201,147 +2201,139 @@ 2201 2201 [[image:1653360498588-932.png||height="485" width="726"]] 2202 2202 2203 2203 2204 -== 6.4 How to change the uplink interval ?==2150 +== 6.4 How to change the uplink interval? == 2205 2205 2206 - 2207 2207 Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]] 2208 2208 2209 2209 2210 -== 6.5 Can I see counting event in Serial? ==2155 +== 6.5 Can I see the counting event in the serial output? == 2211 2211 2212 - 2213 2213 ((( 2214 - Usercan run AT+DEBUGcommandseethe counting event in serial. If firmware too old and doesn't support.User canupdate to latest firmware first.2158 +You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first. 2215 2215 2216 2216 2217 -== 6.6 Can iuse pointforLT-22222-L? ==2161 +== 6.6 Can I use point-to-point communication with LT-22222-L? == 2218 2218 2163 +Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]]. 2219 2219 2220 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] ,this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]]. 2221 - 2222 2222 2223 2223 ))) 2224 2224 2225 2225 ((( 2226 -== 6.7 Why does the relay output become thedefault andopen relay after thelt22222 is powered off? ==2169 +== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? == 2227 2227 2171 +* If the device is not properly shut down and is directly powered off. 2172 +* It will default to a power-off state. 2173 +* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory. 2174 +* After a restart, the status before the power failure will be read from flash. 2228 2228 2229 - Ifthedeviceisnot shutdown,butdirectlypoweredoff.2176 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? == 2230 2230 2231 - Itwilldefaultthat thisisapower-offstate.2178 +The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below: 2232 2232 2233 -In modes 2 to 5, DO RO status and pulse count are saved in flash. 2234 2234 2235 - After restart, thestatus beforepower failurewill be readfrom flash.2181 +[[image:image-20221006170630-1.png||height="610" width="945"]] 2236 2236 2237 2237 2238 -== 6. 8Cani setupLT-22222-LasNC(Normal Close)Relay? ==2184 +== 6.9 Can the LT-22222-L save the RO state? == 2239 2239 2186 +The firmware version must be at least 1.6.0. 2240 2240 2241 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below: 2242 2242 2189 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? == 2243 2243 2244 - [[image:image-20221006170630-1.png||height="610"width="945"]]2191 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose. 2245 2245 2246 2246 2247 -= =6.9Can LT22222-L saveROstate?==2194 += 7. Troubleshooting = 2248 2248 2196 +This section provides some known troubleshooting tips. 2249 2249 2250 -Firmware version needs to be no less than 1.6.0. 2251 - 2252 - 2253 -= 7. Trouble Shooting = 2198 + 2254 2254 ))) 2255 2255 2256 2256 ((( 2257 2257 ((( 2258 -== 7.1 Downlink doesn't work, how to solve it? == 2259 - 2260 - 2203 +== 7.1 Downlink isn't working. How can I solve this? == 2261 2261 ))) 2262 2262 ))) 2263 2263 2264 2264 ((( 2265 -Please see this link forhow todebug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]2208 +Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2266 2266 ))) 2267 2267 2268 2268 ((( 2269 2269 2270 2270 2271 -== 7.2 Have trouble to upload image. == 2272 - 2273 - 2214 +== 7.2 Having trouble uploading an image? == 2274 2274 ))) 2275 2275 2276 2276 ((( 2277 - See this link for trouble2218 +Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 2278 2278 ))) 2279 2279 2280 2280 ((( 2281 2281 2282 2282 2283 -== 7.3 Why I can't join TTN in US915 /AU915 bands? == 2284 - 2285 - 2224 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? == 2286 2286 ))) 2287 2287 2288 2288 ((( 2289 -It might be a bout the channelsmapping. [[Pleasesee this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]2228 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]] 2290 2290 ))) 2291 2291 2292 2292 2293 -= 8.OrderInfo =2232 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? == 2294 2294 2234 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue. 2235 +Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]] 2295 2295 2237 + 2238 += 8. Ordering information = 2239 + 2296 2296 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 2297 2297 2298 2298 (% style="color:#4f81bd" %)**XXX:** 2299 2299 2300 -* (% style="color:red" %)**EU433**(%%): 2301 -* (% style="color:red" %)**EU868**(%%): 2302 -* (% style="color:red" %)**KR920**(%%): 2303 -* (% style="color:red" %)**CN470**(%%): 2304 -* (% style="color:red" %)**AS923**(%%): 2305 -* (% style="color:red" %)**AU915**(%%): 2306 -* (% style="color:red" %)**US915**(%%): 2307 -* (% style="color:red" %)**IN865**(%%): 2308 -* (% style="color:red" %)**CN779**(%%): 2244 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2245 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2246 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2247 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2248 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2249 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2250 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2251 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2252 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2309 2309 2310 -= 9. Packing Info =2254 += 9. Packing information = 2311 2311 2256 +**Package includes**: 2312 2312 2313 -**Package Includes**: 2258 +* 1 x LT-22222-L I/O Controller 2259 +* 1 x LoRa antenna matched to the frequency of the LT-22222-L 2260 +* 1 x bracket for DIN rail mounting 2261 +* 1 x 3.5mm programming cable 2314 2314 2315 -* LT-22222-L I/O Controller x 1 2316 -* Stick Antenna for LoRa RF part x 1 2317 -* Bracket for controller x1 2318 -* Program cable x 1 2319 - 2320 2320 **Dimension and weight**: 2321 2321 2322 2322 * Device Size: 13.5 x 7 x 3 cm 2323 -* Device Weight: 105g 2266 +* Device Weight: 105 g 2324 2324 * Package Size / pcs : 14.5 x 8 x 5 cm 2325 -* Weight / pcs : 170g 2268 +* Weight / pcs : 170 g 2326 2326 2327 2327 = 10. Support = 2328 2328 2329 - 2330 2330 * ((( 2331 -Support is providedMonday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in thebefore-mentioned schedule.2273 +Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule. 2332 2332 ))) 2333 2333 * ((( 2334 -Provide as much information as possible regarding your enquiry (product models, accuratelydescribeyourproblemandsteps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]2276 +Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]] 2335 2335 2336 - 2337 2337 2338 2338 ))) 2339 2339 2340 2340 = 11. Reference = 2341 2341 2342 - 2343 2343 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2344 2344 * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2345 2345 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2346 - 2347 -
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