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 ((( ... ... @@ -53,162 +53,71 @@ 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 -))) 82 - 83 -((( 84 - 85 - 86 86 (% style="color:#037691" %)**Interface for Model: LT22222-L:** 87 -))) 88 88 89 -* ((( 90 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 91 -))) 92 -* ((( 93 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 94 -))) 95 -* ((( 96 -2 x Relay Output (5A@250VAC / 30VDC) 97 -))) 98 -* ((( 99 -2 x 0~~20mA Analog Input (res:0.01mA) 100 -))) 101 -* ((( 102 -2 x 0~~30V Analog Input (res:0.01v) 103 -))) 104 -* ((( 105 -Power Input 7~~ 24V DC. 106 -))) 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. 107 107 108 -((( 109 - 110 - 111 111 (% style="color:#037691" %)**LoRa Spec:** 112 -))) 113 113 114 -* ((( 115 -((( 116 -Frequency Range: 117 -))) 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. 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. 170 - 171 - 172 - 173 -))) 174 - 175 175 == 1.3 Features == 176 176 177 - 178 -* LoRaWAN Class A & Class C protocol 179 - 97 +* LoRaWAN Class A & Class C modes 180 180 * Optional Customized LoRa Protocol 181 - 182 182 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869 183 - 184 184 * AT Commands to change parameters 185 - 186 -* Remote configure parameters via LoRa Downlink 187 - 101 +* Remotely configure parameters via LoRaWAN Downlink 188 188 * Firmware upgradable via program port 189 - 190 190 * Counting 191 191 192 -== 1.4 105 +== 1.4 Applications == 193 193 107 +* Smart buildings & home automation 108 +* Logistics and supply chain management 109 +* Smart metering 110 +* Smart agriculture 111 +* Smart cities 112 +* Smart factory 194 194 195 -* Smart Buildings & Home Automation 196 - 197 -* Logistics and Supply Chain Management 198 - 199 -* Smart Metering 200 - 201 -* Smart Agriculture 202 - 203 -* Smart Cities 204 - 205 -* Smart Factory 206 - 207 207 == 1.5 Hardware Variants == 208 208 209 209 210 210 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %) 211 -|(% 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:334px" %)**Description**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** 212 212 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)((( 213 213 (% style="text-align:center" %) 214 214 [[image:image-20230424115112-1.png||height="106" width="58"]] ... ... @@ -221,94 +221,179 @@ 221 221 * 1 x Counting Port 222 222 ))) 223 223 224 -= 2. PowerONDevice =131 += 2. Assembling the device = 225 225 133 +== 2.1 Connecting the antenna == 226 226 227 -((( 228 -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. 229 -))) 135 +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. 230 230 231 -((( 232 -PWR will on when device is properly powered. 137 +{{warning}} 138 +Warning! Do not power on the device without connecting the antenna. 139 +{{/warning}} 233 233 234 - 235 -))) 141 +== 2.2 Terminals == 236 236 237 - [[image:1653297104069-180.png]]143 +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. 238 238 145 +Upper screw terminal block (from left to right): 239 239 240 -= 3. Operation Mode = 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 1 241 241 242 - == 3.1 Howitworks?==156 +Lower screw terminal block (from left to right): 243 243 158 +(% 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 1 244 244 245 -((( 246 -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. 247 -))) 171 +== 2.3 Powering the device == 248 248 249 -((( 250 -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. 251 -))) 173 +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. 252 252 175 +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. 253 253 254 -== 3.2 Example to join LoRaWAN network == 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}} 255 255 256 256 257 -((( 258 -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. 182 +[[image:1653297104069-180.png]] 259 259 260 - 261 -))) 262 262 263 - [[image:image-20220523172350-1.png||height="266"width="864"]]185 += 3. Registering with a LoRaWAN Network Server = 264 264 187 +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. 265 265 266 -((( 267 -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: 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. 268 268 269 - 270 -))) 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. 271 271 272 -((( 273 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller. 274 -))) 193 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network. 275 275 276 -((( 277 -Each LT is shipped with a sticker with the default device EUI as below: 278 -))) 195 +[[image:image-20220523172350-1.png||height="266" width="864"]] 279 279 197 +=== 3.2.1 Prerequisites === 198 + 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. 200 + 280 280 [[image:image-20230425173427-2.png||height="246" width="530"]] 281 281 203 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers. 282 282 283 - Inputthesekeysin the LoRaWANServer portal. BelowisTTNscreen shot:205 +=== 3.2.2 The Things Stack Sandbox (TTSS) === 284 284 285 - **AddAPP EUIin theapplication.**207 +The Things Stack Sandbox was formally called The Things Stack Community Edition. 286 286 287 -[[image:1653297955910-247.png||height="321" width="716"]] 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: 288 288 214 +==== 3.2.2.1 Using the LoRaWAN Device Repository ==== 289 289 290 -**Add APP KEY and DEV EUI** 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. 291 291 292 -[[image: 1653298023685-319.png]]226 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]] 293 293 294 294 229 +* 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. 295 295 296 -((( 297 -(% 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. 236 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]] 298 298 299 - 300 -))) 238 +==== ==== 301 301 302 - [[image:1653298044601-602.png||height="405"width="709"]]240 +==== 3.2.2.2 Adding device manually ==== 303 303 242 +* 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. 304 304 305 - == 3.3 Uplink Payload==251 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]] 306 306 307 307 308 -There are five working modes + one interrupt mode on LT for different type application: 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. 309 309 310 - * (% style="color:blue" %)**MOD1**(%%): (default setting):2x ACI + 2AVI + DI + DO + RO262 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]] 311 311 264 + 265 +You will be navigated to the **Device overview** page. 266 + 267 + 268 +[[image:lt-22222-device-overview.png||height="625" width="1000"]] 269 + 270 + 271 +==== 3.2.2.3 Joining ==== 272 + 273 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display. 274 + 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**). 276 + 277 + 278 +[[image:lt-22222-join-network.png||height="625" width="1000"]] 279 + 280 + 281 +By default, you will receive an uplink data message from the device every 10 minutes. 282 + 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. 284 + 285 +[[image:lt-22222-ul-payload-decoded.png]] 286 + 287 + 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. 289 + 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}} 293 + 294 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]] 295 + 296 + 297 +== 3.3 Work Modes and Uplink Payload formats == 298 + 299 + 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 + 312 312 * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO 313 313 314 314 * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO ... ... @@ -319,14 +319,21 @@ 319 319 320 320 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 321 321 314 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes. 315 + 322 322 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 323 323 324 - 325 325 ((( 326 -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. 327 327 328 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 329 -|(% 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** 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 + 327 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 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** 330 330 |Value|((( 331 331 AVI1 voltage 332 332 )))|((( ... ... @@ -335,31 +335,31 @@ 335 335 ACI1 Current 336 336 )))|((( 337 337 ACI2 Current 338 -)))|DIDORO*|((( 337 +)))|**DIDORO***|((( 339 339 Reserve 340 340 )))|MOD 341 341 ))) 342 342 343 343 ((( 344 -(% 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. 345 345 346 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)347 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 348 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1 345 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 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 349 349 ))) 350 350 351 -* RO is for relay. ROx=1 close,ROx=0 alwaysopen.352 -* DI is for digital input. DIx=1: highorfloat, DIx=0:low.353 -* 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. 354 354 355 -(% 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** 356 356 357 -For example if payload is: [[image:image-20220523175847-2.png]] 356 +For example, if the payload is: [[image:image-20220523175847-2.png]] 358 358 359 359 360 -**The value fortheinterfaceis: **359 +**The interface values can be calculated as follows: ** 361 361 362 -AVI1 channel voltage is 0x04AB/1000=1195 (DEC)/1000=1.195V361 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V 363 363 364 364 AVI2 channel voltage is 0x04AC/1000=1.196V 365 365 ... ... @@ -367,38 +367,39 @@ 367 367 368 368 ACI2 channel current is 0x1300/1000=4.864mA 369 369 370 -The last byte 0xAA= 10101010( B) means369 +The last byte 0xAA= **10101010**(b) means, 371 371 372 -* [1] RO1 relay channel is close and the RO1 LED is ON. 373 -* [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. 374 374 375 -**LT22222-L:** 376 - 377 -* [1] DI2 channel is high input and DI2 LED is ON; 378 -* [0] DI1 channel is low input; 379 - 380 -* [0] DO3 channel output state 381 -** DO3 is float in case no load between DO3 and V+.; 382 -** DO3 is high in case there is load between DO3 and V+. 383 -** DO3 LED is off in both case 384 -* [1] DO2 channel output is low and DO2 LED is ON. 385 -* [0] DO1 channel output state 386 -** DO1 is float in case no load between DO1 and V+.; 387 -** DO1 is high in case there is load between DO1 and V+. 388 -** DO1 LED is off in both case 389 - 390 390 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 391 391 392 392 393 393 ((( 394 -**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. 395 395 ))) 396 396 397 397 ((( 398 -T otal:11 bytespayload394 +The uplink payload is 11 bytes long. 399 399 400 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 401 -|(% 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** 402 402 |Value|COUNT1|COUNT2 |DIDORO*|((( 403 403 Reserve 404 404 )))|MOD ... ... @@ -405,40 +405,36 @@ 405 405 ))) 406 406 407 407 ((( 408 -(% 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. 409 409 410 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)411 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 412 -|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 413 413 414 -RO is for relay. ROx=1 close,ROx=0 alwaysopen.414 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN. 415 415 ))) 416 416 417 -* FIRST: Indicate this is the first packet after join network. 418 -* 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. 419 419 420 420 ((( 421 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 422 -))) 421 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L** 423 423 424 -((( 425 425 424 +))) 426 426 427 -**To use counting mode, please run:** 426 +((( 427 +**To activate this mode, run the following AT commands:** 428 428 ))) 429 429 430 +((( 430 430 (% class="box infomessage" %) 431 431 ((( 432 -((( 433 -((( 434 434 **AT+MOD=2** 435 -))) 436 436 437 -((( 438 438 **ATZ** 439 439 ))) 440 440 ))) 441 -))) 442 442 443 443 ((( 444 444 ... ... @@ -449,27 +449,30 @@ 449 449 ((( 450 450 **For LT22222-L:** 451 451 452 -(% 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) ** 453 453 454 -(% 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) ** 455 455 456 -(% 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) ** 457 457 458 -(% 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) ** 459 459 460 -(% 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)** 461 461 462 -(% 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)** 463 463 ))) 464 464 465 465 466 466 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 467 467 464 +(% 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.** 468 468 469 -**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. 470 470 471 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)472 -|(% 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** 473 473 |Value|COUNT1|((( 474 474 ACI1 Current 475 475 )))|((( ... ... @@ -477,56 +477,58 @@ 477 477 )))|DIDORO*|Reserve|MOD 478 478 479 479 ((( 480 -(% 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. 481 481 482 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)483 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 484 -|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 485 485 ))) 486 486 487 -* RO is for relay. ROx=1 ,ROx=0 always open.488 -* FIRST: Indicate this is the first packet after join network. 489 -* 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. 490 490 491 491 ((( 492 -(% 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.** 493 493 ))) 494 494 495 495 496 496 ((( 497 -**To usecountingmode,pleaserun:**496 +**To activate this mode, run the following AT commands:** 498 498 ))) 499 499 499 +((( 500 500 (% class="box infomessage" %) 501 501 ((( 502 -((( 503 -((( 504 504 **AT+MOD=3** 505 -))) 506 506 507 -((( 508 508 **ATZ** 509 509 ))) 510 510 ))) 511 -))) 512 512 513 513 ((( 514 -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. 515 515 ))) 516 516 517 517 518 518 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 519 519 517 +(% 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.** 520 520 521 + 521 521 ((( 522 -**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. 523 523 ))) 524 524 525 525 ((( 526 -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. 527 527 528 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)529 -|(% 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** 530 530 |Value|COUNT1|AVI1 Counting|DIDORO*|((( 531 531 Reserve 532 532 )))|MOD ... ... @@ -533,65 +533,64 @@ 533 533 ))) 534 534 535 535 ((( 536 -(% 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. 537 537 538 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)539 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 540 -|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 541 541 ))) 542 542 543 -* RO is for relay. ROx=1 ,ROx=0 always open.544 -* FIRST: Indicate this is the first packet after join network. 545 -* 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. 546 546 547 547 ((( 548 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.** 549 -))) 549 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.** 550 550 551 -((( 552 552 552 +))) 553 553 554 -**To use this mode, please run:** 554 +((( 555 +**To activate this mode, run the following AT commands:** 555 555 ))) 556 556 558 +((( 557 557 (% class="box infomessage" %) 558 558 ((( 559 -((( 560 -((( 561 561 **AT+MOD=4** 562 -))) 563 563 564 -((( 565 565 **ATZ** 566 566 ))) 567 567 ))) 568 -))) 569 569 570 - 571 571 ((( 572 -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. 573 573 ))) 574 574 575 575 ((( 576 -** Plusbelow command for AVI1 Counting:**572 +**In addition to that, below are the commands for AVI1 Counting:** 577 577 578 -(% 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)** 579 579 580 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** 576 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 581 581 582 -(% 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)** 583 583 584 -(% 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)** 585 585 ))) 586 586 587 587 588 588 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 589 589 586 +(% 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.** 590 590 591 -**LT22222-L**: This mode the DI1 is used as a counting pin. 592 592 593 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 594 -|(% 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** 595 595 |Value|((( 596 596 AVI1 voltage 597 597 )))|((( ... ... @@ -603,44 +603,38 @@ 603 603 )))|MOD 604 604 605 605 ((( 606 -(% 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. 607 607 608 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)609 -|**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** 610 610 |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1 611 611 ))) 612 612 613 -* RO is for relay. ROx=1 ,ROx=0 always open.614 -* 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. 615 615 * ((( 616 -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. 617 617 ))) 618 618 619 619 ((( 620 -(% 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.** 621 621 ))) 622 622 623 623 ((( 624 - 625 - 626 -**To use this mode, please run:** 624 +**To activate this mode, run the following AT commands:** 627 627 ))) 628 628 627 +((( 629 629 (% class="box infomessage" %) 630 630 ((( 631 -((( 632 -((( 633 633 **AT+MOD=5** 634 -))) 635 635 636 -((( 637 637 **ATZ** 638 638 ))) 639 639 ))) 640 -))) 641 641 642 642 ((( 643 -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. 644 644 ))) 645 645 646 646 ... ... @@ -647,49 +647,48 @@ 647 647 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 648 648 649 649 650 -(% 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.** 651 651 652 -For example, if u serhasconfiguredbelow commands:646 +For example, if you configured the following commands: 653 653 654 -* **AT+MOD=1 ** **~-~->** The normal workingmode655 -* **AT+ADDMOD6=1** **~-~->** Enable trigger 648 +* **AT+MOD=1 ** **~-~->** The default work mode 649 +* **AT+ADDMOD6=1** **~-~->** Enable trigger mode 656 656 657 -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: 658 658 659 -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 660 -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 +))) 661 661 662 -(% style="color:#037691" %)**AT Command to set Trigger Condition**: 658 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**: 663 663 660 +(% style="color:#4f81bd" %)**Trigger based on voltage**: 664 664 665 -(% style="color:#4f81bd" %)**Trigger base on voltage**: 666 - 667 667 Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH> 668 668 669 669 670 670 **Example:** 671 671 672 -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) 673 673 674 -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) 675 675 676 676 672 +(% style="color:#4f81bd" %)**Trigger based on current**: 677 677 678 -(% style="color:#4f81bd" %)**Trigger base on current**: 679 - 680 680 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> 681 681 682 682 683 683 **Example:** 684 684 685 -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) 686 686 687 687 682 +(% style="color:#4f81bd" %)**Trigger based on DI status**: 688 688 689 - (%style="color:#4f81bd"%)**Triggerbaseon DI status**:684 +DI status triggers Flag. 690 690 691 -DI status trigger Flag. 692 - 693 693 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 694 694 695 695 ... ... @@ -698,42 +698,41 @@ 698 698 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 699 699 700 700 701 -(% style="color:#037691" %)**Downlink Command toset Trigger Condition:**694 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:** 702 702 703 703 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 704 704 705 705 Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4 706 706 707 - AA: Code for this downlink Command: 700 + AA: Type Code for this downlink Command: 708 708 709 - 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. 710 710 711 - yy1 yy1: AC1 or AV1 lowlimit or DI1/DI2 trigger status.704 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status. 712 712 713 - yy2 yy2: AC1 or AV1 highlimit.706 + yy2 yy2: AC1 or AV1 HIGH limit. 714 714 715 - yy3 yy3: AC2 or AV2 lowlimit.708 + yy3 yy3: AC2 or AV2 LOW limit. 716 716 717 - Yy4 yy4: AC2 or AV2 highlimit.710 + Yy4 yy4: AC2 or AV2 HIGH limit. 718 718 719 719 720 -**Example1**: AA 00 13 88 00 00 00 00 00 00 713 +**Example 1**: AA 00 13 88 00 00 00 00 00 00 721 721 722 -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) 723 723 724 724 725 -**Example2**: AA 02 01 00 718 +**Example 2**: AA 02 01 00 726 726 727 -Same as AT+ DTRI =1,0 720 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 728 728 729 729 730 - 731 731 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 732 732 733 -MOD6 Payload payload725 +MOD6 Payload: total of 11 bytes 734 734 735 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)736 -|(% 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** 737 737 |Value|((( 738 738 TRI_A FLAG 739 739 )))|((( ... ... @@ -744,10 +744,10 @@ 744 744 MOD(6) 745 745 ))) 746 746 747 -(% 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 748 748 749 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)750 -|**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** 751 751 |((( 752 752 AV1_LOW 753 753 )))|((( ... ... @@ -766,17 +766,17 @@ 766 766 AC2_HIGH 767 767 ))) 768 768 769 -* Each bit sshows if the corresponding trigger has been configured.761 +* Each bit shows if the corresponding trigger has been configured. 770 770 771 771 **Example:** 772 772 773 -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 774 774 775 775 776 -(% 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 777 777 778 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)779 -|**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** 780 780 |((( 781 781 AV1_LOW 782 782 )))|((( ... ... @@ -795,20 +795,20 @@ 795 795 AC2_HIGH 796 796 ))) 797 797 798 -* Each bit sshows which status has been trigger on this uplink.790 +* Each bit shows which status has been triggered on this uplink. 799 799 800 800 **Example:** 801 801 802 -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. 803 803 804 804 805 805 (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below 806 806 807 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 20px" %)799 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 808 808 |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0** 809 809 |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG 810 810 811 -* Each bits shows which status has been trigger on this uplink. 803 +* Each bits shows which status has been triggered on this uplink. 812 812 813 813 **Example:** 814 814 ... ... @@ -835,63 +835,83 @@ 835 835 ))) 836 836 837 837 838 -== 3.4 Configure LT via AT or Downlink == 830 +== 3.4 Configure LT-22222-L via AT Commands or Downlinks == 839 839 840 - 841 841 ((( 842 - 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. 843 843 ))) 844 844 845 845 ((( 846 846 ((( 847 -There are two kinds ofCommands:838 +There are two tytes of commands: 848 848 ))) 849 849 ))) 850 850 851 -* (% 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**(%%): 852 852 853 -* (% 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**(%%): 854 854 855 -=== 3.4.1 Common Commands ===846 +=== 3.4.1 Common commands === 856 856 857 - 858 858 ((( 859 -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. 860 860 ))) 861 861 852 +=== 3.4.2 Sensor-related commands === 862 862 863 - ===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. 864 864 865 865 ==== 3.4.2.1 Set Transmit Interval ==== 866 866 858 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes. 867 867 868 - Setdevice uplink interval.860 +(% style="color:#037691" %)**AT command** 869 869 870 -* (% 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 871 871 872 -(% style="color:blue" %)**AT+TDC=N ** 869 +Sets the uplink interval to 30,000 milliseconds (30 seconds) 870 +))) 873 873 872 +(% style="color:#037691" %)**Downlink payload** 874 874 875 -**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 876 876 881 +<time> uplink interval is in milliseconds, represented by 3 bytes in hexadecimal. 882 +))) 883 +|**Example**|((( 884 +01 **00 75 30** 877 877 878 - * (%style="color:#037691"%)**DownlinkPayload(prefix0x01):**886 +Sets the uplink interval to 30,000 milliseconds (30 seconds) 879 879 880 - (% style="color:blue"%)**0x01aa bb cc **(%%)**~/~/Same as AT+TDC=0x(aabb cc)**888 +Conversion: 30000 (dec) = 00 75 30 (hex) 881 881 890 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]] 891 +))) 882 882 893 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ==== 883 883 884 -==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 885 885 896 +Sets the work mode. 886 886 887 - Setworkmode.898 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N ** 888 888 889 - *(%style="color:#037691"%)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N **900 +Where N is the work mode. 890 890 891 -**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. 892 892 893 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 894 894 905 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):** 906 + 895 895 (% style="color:blue" %)**0x0A aa **(%%)** ** ~/~/ Same as AT+MOD=aa 896 896 897 897 ... ... @@ -898,11 +898,13 @@ 898 898 899 899 ==== 3.4.2.3 Poll an uplink ==== 900 900 913 +Requests the device to send an uplink. 901 901 902 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink 903 903 904 -* (% style="color:#037691" %)** DownlinkPayload(prefix0x08):**916 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink 905 905 918 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):** 919 + 906 906 (% style="color:blue" %)**0x08 FF **(%%)** **~/~/ Poll an uplink 907 907 908 908 **Example**: 0x08FF, ask device to send an Uplink ... ... @@ -909,16 +909,15 @@ 909 909 910 910 911 911 912 -==== 3.4.2.4 Enable Trigger Mode ==== 926 +==== 3.4.2.4 Enable/Disable Trigger Mode ==== 913 913 928 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]). 914 914 915 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 916 - 917 917 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0** 918 918 919 -(% style="color:red" %)**1:** (%%)Enable TriggerMode932 +(% style="color:red" %)**1:** (%%)Enable the trigger mode 920 920 921 -(% style="color:red" %)**0: **(%%)Disable TriggerMode934 +(% style="color:red" %)**0: **(%%)Disable the trigger mode 922 922 923 923 924 924 * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** ... ... @@ -929,9 +929,8 @@ 929 929 930 930 ==== 3.4.2.5 Poll trigger settings ==== 931 931 945 +Polls the trigger settings. 932 932 933 -Poll trigger settings 934 - 935 935 * (% style="color:#037691" %)**AT Command:** 936 936 937 937 There is no AT Command for this feature. ... ... @@ -938,18 +938,17 @@ 938 938 939 939 * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 940 940 941 -(% 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 942 942 943 943 944 944 945 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 957 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ==== 946 946 959 +Enable or disable DI1/DI2/DI2 as a trigger. 947 947 948 -Enable Disable DI1/DI2/DI2 as trigger, 949 - 950 950 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 951 951 952 -**Example:** AT+ DTRI =1,0 963 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 953 953 954 954 955 955 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** ... ... @@ -958,11 +958,10 @@ 958 958 959 959 960 960 961 -==== 3.4.2.7 Trigger1 – Set DI 1or DI3 as trigger ====972 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ==== 962 962 974 +Sets DI1 or DI3 (for LT-33222-L) as a trigger. 963 963 964 -Set DI1 or DI3(for LT-33222-L) trigger. 965 - 966 966 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b** 967 967 968 968 (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). ... ... @@ -977,19 +977,17 @@ 977 977 (% style="color:blue" %)**0x09 01 aa bb cc ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc) 978 978 979 979 990 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ==== 980 980 981 - ==== 3.4.2.8 Trigger2 –Set DI2 as trigger====992 +Sets DI2 as a trigger. 982 982 983 - 984 -Set DI2 trigger. 985 - 986 986 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b** 987 987 988 -(% 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). 989 989 990 990 (% style="color:red" %)**b :** (%%)delay timing. 991 991 992 -**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 ) 993 993 994 994 995 995 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** ... ... @@ -997,12 +997,10 @@ 997 997 (% style="color:blue" %)**0x09 02 aa bb cc ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc) 998 998 999 999 1008 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ==== 1000 1000 1001 - ====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"]] 1002 1002 1003 - 1004 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1005 - 1006 1006 * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM** 1007 1007 1008 1008 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** ... ... @@ -1013,9 +1013,8 @@ 1013 1013 1014 1014 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 1015 1015 1022 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1016 1016 1017 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1018 - 1019 1019 * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 1020 1020 1021 1021 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** ... ... @@ -1023,12 +1023,10 @@ 1023 1023 (% 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"]] 1024 1024 1025 1025 1026 - 1027 1027 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1028 1028 1033 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger. 1029 1029 1030 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 1031 - 1032 1032 * (% 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. 1033 1033 1034 1034 * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** ... ... @@ -1043,6 +1043,7 @@ 1043 1043 1044 1044 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1045 1045 1049 +Controls the digital outputs DO1, DO2, and DO3 1046 1046 1047 1047 * (% style="color:#037691" %)**AT Command** 1048 1048 ... ... @@ -1061,7 +1061,7 @@ 1061 1061 01: Low, 00: High , 11: No action 1062 1062 1063 1063 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 1064 -|(% 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** 1065 1065 |02 01 00 11|Low|High|No Action 1066 1066 |02 00 11 01|High|No Action|Low 1067 1067 |02 11 01 00|No Action|Low|High ... ... @@ -1104,7 +1104,7 @@ 1104 1104 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1105 1105 1106 1106 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1107 -|(% 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** 1108 1108 |0x01|DO1 set to low 1109 1109 |0x00|DO1 set to high 1110 1110 |0x11|DO1 NO Action ... ... @@ -1112,7 +1112,7 @@ 1112 1112 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1113 1113 1114 1114 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1115 -|(% 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** 1116 1116 |0x01|DO2 set to low 1117 1117 |0x00|DO2 set to high 1118 1118 |0x11|DO2 NO Action ... ... @@ -1120,7 +1120,7 @@ 1120 1120 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1121 1121 1122 1122 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %) 1123 -|(% 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** 1124 1124 |0x01|DO3 set to low 1125 1125 |0x00|DO3 set to high 1126 1126 |0x11|DO3 NO Action ... ... @@ -1157,7 +1157,7 @@ 1157 1157 1158 1158 1159 1159 1160 -==== 3.4.2. 1164 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1161 1161 1162 1162 1163 1163 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1175,10 +1175,10 @@ 1175 1175 ))) 1176 1176 1177 1177 ((( 1178 -0 1: Close , 00: Open , 11: No action1182 +00: Closed , 01: Open , 11: No action 1179 1179 1180 1180 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %) 1181 -|(% 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** 1182 1182 |03 00 11|Open|No Action 1183 1183 |03 01 11|Close|No Action 1184 1184 |03 11 00|No Action|Open ... ... @@ -1297,7 +1297,7 @@ 1297 1297 1298 1298 1299 1299 1300 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1304 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ==== 1301 1301 1302 1302 1303 1303 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1418,75 +1418,145 @@ 1418 1418 [[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"]] 1419 1419 1420 1420 1421 -== 3.5 Integrat ewithMydevice==1425 +== 3.5 Integrating with ThingsEye.io == 1422 1422 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. 1423 1423 1424 - 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 === 1425 1425 1426 -((( 1427 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1428 -))) 1431 +We use The Things Stack Sandbox in this example: 1429 1429 1430 -((( 1431 -(% 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. 1432 1432 1433 - 1434 -))) 1438 +{{info}} 1439 +The username and password (API key) you created here are required in the next section. 1440 +{{/info}} 1435 1435 1436 -[[image: image-20220719105525-1.png||height="377" width="677"]]1442 +[[image:tts-mqtt-integration.png||height="625" width="1000"]] 1437 1437 1444 +=== 3.5.2 Configuring ThingsEye.io === 1438 1438 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). 1439 1439 1440 -[[image:i mage-20220719110247-2.png||height="388" width="683"]]1450 +[[image:thingseye-io-step-1.png||height="625" width="1000"]] 1441 1441 1442 1442 1443 - (%style="color:blue"%)**Step 3**(%%): Create anaccount orloginMydevices.1453 +On the **Add integration** window, configure the following: 1444 1444 1445 - (% style="color:blue" %)**Step 4**(%%): SearchLT-22222-L(for both LT-22222-L) and add DevEUI.(%style="display:none" %)1455 +**Basic settings:** 1446 1446 1447 -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. 1448 1448 1449 -[[image: 1653356838789-523.png||height="337" width="740"]]1465 +[[image:thingseye-io-step-2.png||height="625" width="1000"]] 1450 1450 1451 1451 1468 +**Uplink data converter:** 1452 1452 1453 -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. 1454 1454 1455 -[[image:i mage-20220524094909-1.png||height="335" width="729"]]1476 +[[image:thingseye-io-step-3.png||height="625" width="1000"]] 1456 1456 1457 1457 1458 - [[image:image-20220524094909-2.png||height="337"width="729"]]1479 +**Downlink data converter (this is an optional step):** 1459 1459 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. 1460 1460 1461 -[[image:i mage-20220524094909-3.png||height="338" width="727"]]1487 +[[image:thingseye-io-step-4.png||height="625" width="1000"]] 1462 1462 1463 1463 1464 - [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)1490 +**Connection:** 1465 1465 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**. 1466 1466 1467 -[[image: image-20220524094909-5.png||height="341" width="734"]]1497 +[[image:message-1.png]] 1468 1468 1469 1469 1470 - ==3.6InterfaceDetail==1500 +* Click the **Add** button. 1471 1471 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 + 1472 1472 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1473 1473 1474 1474 1475 -Support NPN Type sensor1549 +Support NPN-type sensor 1476 1476 1477 1477 [[image:1653356991268-289.png]] 1478 1478 1479 1479 1480 -=== 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) === 1481 1481 1482 1482 1483 1483 ((( 1484 -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. 1485 1485 ))) 1486 1486 1487 1487 ((( 1488 1488 ((( 1489 - 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. 1490 1490 1491 1491 1492 1492 ))) ... ... @@ -1496,7 +1496,7 @@ 1496 1496 1497 1497 ((( 1498 1498 ((( 1499 - 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. 1500 1500 ))) 1501 1501 ))) 1502 1502 ... ... @@ -1505,22 +1505,22 @@ 1505 1505 ))) 1506 1506 1507 1507 ((( 1508 -(% style="color: blue" %)**Example1**(%%): Connect to aLow1582 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor. 1509 1509 ))) 1510 1510 1511 1511 ((( 1512 -This type of sensor willoutput a low signalGNDwhen active.1586 +This type of sensor outputs a low (GND) signal when active. 1513 1513 ))) 1514 1514 1515 1515 * ((( 1516 -Connect sensor's output to DI1- 1590 +Connect the sensor's output to DI1- 1517 1517 ))) 1518 1518 * ((( 1519 -Connect sensor's VCC to DI1+. 1593 +Connect the sensor's VCC to DI1+. 1520 1520 ))) 1521 1521 1522 1522 ((( 1523 - 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: 1524 1524 ))) 1525 1525 1526 1526 ((( ... ... @@ -1528,7 +1528,7 @@ 1528 1528 ))) 1529 1529 1530 1530 ((( 1531 - 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. 1532 1532 ))) 1533 1533 1534 1534 ((( ... ... @@ -1536,22 +1536,22 @@ 1536 1536 ))) 1537 1537 1538 1538 ((( 1539 -(% style="color: blue" %)**Example2**(%%): Connect to aHigh1613 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor. 1540 1540 ))) 1541 1541 1542 1542 ((( 1543 -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. 1544 1544 ))) 1545 1545 1546 1546 * ((( 1547 -Connect sensor's output to DI1+ 1621 +Connect the sensor's output to DI1+ 1548 1548 ))) 1549 1549 * ((( 1550 -Connect sensor's GND DI1-. 1624 +Connect the sensor's GND DI1-. 1551 1551 ))) 1552 1552 1553 1553 ((( 1554 - 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: 1555 1555 ))) 1556 1556 1557 1557 ((( ... ... @@ -1559,7 +1559,7 @@ 1559 1559 ))) 1560 1560 1561 1561 ((( 1562 -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. 1563 1563 ))) 1564 1564 1565 1565 ((( ... ... @@ -1567,22 +1567,22 @@ 1567 1567 ))) 1568 1568 1569 1569 ((( 1570 -(% style="color: blue" %)**Example3**(%%): Connect to a 220vhigh1644 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor. 1571 1571 ))) 1572 1572 1573 1573 ((( 1574 -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 1575 1575 ))) 1576 1576 1577 1577 * ((( 1578 -Connect sensor's output to DI1+ with a serial50K resistor1652 +Connect the sensor's output to DI1+ with a 50K resistor in series. 1579 1579 ))) 1580 1580 * ((( 1581 -Connect sensor's GND DI1-. 1655 +Connect the sensor's GND DI1-. 1582 1582 ))) 1583 1583 1584 1584 ((( 1585 - 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: 1586 1586 ))) 1587 1587 1588 1588 ((( ... ... @@ -1590,34 +1590,37 @@ 1590 1590 ))) 1591 1591 1592 1592 ((( 1593 -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. 1594 1594 ))) 1595 1595 1596 1596 1597 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor 1671 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor 1598 1598 1599 -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. 1600 1600 1601 -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. 1602 1602 1603 1603 [[image:image-20230616235145-1.png]] 1604 1604 1679 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector 1605 1605 1681 +[[image:image-20240219115718-1.png]] 1606 1606 1607 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1608 1608 1684 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 === 1609 1609 1610 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v. 1611 1611 1612 -(% 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. 1613 1613 1689 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.** 1690 + 1614 1614 [[image:1653357531600-905.png]] 1615 1615 1616 1616 1617 -=== 3.6.4 Analog Input Interface === 1694 +=== 3.6.4 Analog Input Interfaces === 1618 1618 1619 1619 1620 -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: 1621 1621 1622 1622 1623 1623 (% style="color:blue" %)**AC2 = (IN2 voltage )/12** ... ... @@ -1624,14 +1624,14 @@ 1624 1624 1625 1625 [[image:1653357592296-182.png]] 1626 1626 1627 -Example toconnect a 4~~20mA sensor1704 +Example: Connecting a 4~~20mA sensor 1628 1628 1629 -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. 1630 1630 1631 1631 1632 1632 (% style="color:blue" %)**Specifications of the wind speed sensor:** 1633 1633 1634 -(% style="color:red" %)**Red: 12~~24 v**1711 +(% style="color:red" %)**Red: 12~~24V** 1635 1635 1636 1636 (% style="color:#ffc000" %)**Yellow: 4~~20mA** 1637 1637 ... ... @@ -1644,7 +1644,7 @@ 1644 1644 [[image:1653357648330-671.png||height="155" width="733"]] 1645 1645 1646 1646 1647 -Example connectedto a regulated power supply to measure voltage1724 +Example: Connecting to a regulated power supply to measure voltage 1648 1648 1649 1649 [[image:image-20230608101532-1.png||height="606" width="447"]] 1650 1650 ... ... @@ -1653,7 +1653,7 @@ 1653 1653 [[image:image-20230608101722-3.png||height="102" width="1139"]] 1654 1654 1655 1655 1656 -(% 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" %)**:** 1657 1657 1658 1658 (% style="color:red" %)**Red: 12~~24v** 1659 1659 ... ... @@ -1664,9 +1664,9 @@ 1664 1664 1665 1665 1666 1666 ((( 1667 -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: 1668 1668 1669 -**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. 1670 1670 ))) 1671 1671 1672 1672 [[image:image-20220524100215-9.png]] ... ... @@ -1677,13 +1677,11 @@ 1677 1677 1678 1678 == 3.7 LEDs Indicators == 1679 1679 1757 +The table below lists the behavior of LED indicators for each port function. 1680 1680 1681 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 1682 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature** 1683 -|**PWR**|Always on if there is power 1684 -|**SYS**|((( 1685 -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. 1686 -))) 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 1687 1687 |**TX**|((( 1688 1688 ((( 1689 1689 Device boot: TX blinks 5 times. ... ... @@ -1690,7 +1690,7 @@ 1690 1690 ))) 1691 1691 1692 1692 ((( 1693 -Successful joinnetwork: TX ON for 5 seconds.1768 +Successful network join: TX remains ON for 5 seconds. 1694 1694 ))) 1695 1695 1696 1696 ((( ... ... @@ -1697,40 +1697,33 @@ 1697 1697 Transmit a LoRa packet: TX blinks once 1698 1698 ))) 1699 1699 ))) 1700 -|**RX**|RX blinks once when receive a packet. 1701 -|**DO1**| 1702 -|**DO2**| 1703 -|**DO3**| 1704 -|**DI2**|((( 1705 -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 1706 1706 ))) 1707 1707 |**DI2**|((( 1708 -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 1709 1709 ))) 1710 -|**DI2**|((( 1711 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low 1712 -))) 1713 -|**RO1**| 1714 -|**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 1715 1715 1716 -= 4. Us eAT Command =1787 += 4. Using AT Commands = 1717 1717 1718 - ==4.1Access AT Command==1789 +The LT-22222-L supports programming using AT Commands. 1719 1719 1791 +== 4.1 Connecting the LT-22222-L to a PC == 1720 1720 1721 1721 ((( 1722 - 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. 1723 1723 ))) 1724 1724 1725 -((( 1726 - 1727 -))) 1728 - 1729 1729 [[image:1653358238933-385.png]] 1730 1730 1731 1731 1732 1732 ((( 1733 - 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: 1734 1734 ))) 1735 1735 1736 1736 [[image:1653358355238-883.png]] ... ... @@ -1737,194 +1737,63 @@ 1737 1737 1738 1738 1739 1739 ((( 1740 -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/]] 1741 -))) 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/]] 1742 1742 1743 -((( 1744 -AT+<CMD>? : Help on <CMD> 1810 +== 4.2 LT-22222-L related AT commands == 1745 1745 ))) 1746 1746 1747 1747 ((( 1748 -AT+<CMD> : Run <CMD> 1749 -))) 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. 1750 1750 1751 -((( 1752 -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 1753 1753 ))) 1754 1754 1755 -((( 1756 -AT+<CMD>=? : Get the value 1757 -))) 1758 1758 1759 -((( 1760 -ATZ: Trig a reset of the MCU 1761 -))) 1762 - 1763 -((( 1764 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 1765 -))) 1766 - 1767 -((( 1768 -AT+DEUI: Get or Set the Device EUI 1769 -))) 1770 - 1771 -((( 1772 -AT+DADDR: Get or Set the Device Address 1773 -))) 1774 - 1775 -((( 1776 -AT+APPKEY: Get or Set the Application Key 1777 -))) 1778 - 1779 -((( 1780 -AT+NWKSKEY: Get or Set the Network Session Key 1781 -))) 1782 - 1783 -((( 1784 -AT+APPSKEY: Get or Set the Application Session Key 1785 -))) 1786 - 1787 -((( 1788 -AT+APPEUI: Get or Set the Application EUI 1789 -))) 1790 - 1791 -((( 1792 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on) 1793 -))) 1794 - 1795 -((( 1796 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec) 1797 -))) 1798 - 1799 -((( 1800 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X) 1801 -))) 1802 - 1803 -((( 1804 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing 1805 -))) 1806 - 1807 -((( 1808 -AT+PNM: Get or Set the public network mode. (0: off, 1: on) 1809 -))) 1810 - 1811 -((( 1812 -AT+RX2FQ: Get or Set the Rx2 window frequency 1813 -))) 1814 - 1815 -((( 1816 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X) 1817 -))) 1818 - 1819 -((( 1820 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms 1821 -))) 1822 - 1823 -((( 1824 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms 1825 -))) 1826 - 1827 -((( 1828 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms 1829 -))) 1830 - 1831 -((( 1832 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms 1833 -))) 1834 - 1835 -((( 1836 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA) 1837 -))) 1838 - 1839 -((( 1840 -AT+NWKID: Get or Set the Network ID 1841 -))) 1842 - 1843 -((( 1844 -AT+FCU: Get or Set the Frame Counter Uplink 1845 -))) 1846 - 1847 -((( 1848 -AT+FCD: Get or Set the Frame Counter Downlink 1849 -))) 1850 - 1851 -((( 1852 -AT+CLASS: Get or Set the Device Class 1853 -))) 1854 - 1855 -((( 1856 -AT+JOIN: Join network 1857 -))) 1858 - 1859 -((( 1860 -AT+NJS: Get OTAA Join Status 1861 -))) 1862 - 1863 -((( 1864 -AT+SENDB: Send hexadecimal data along with the application port 1865 -))) 1866 - 1867 -((( 1868 -AT+SEND: Send text data along with the application port 1869 -))) 1870 - 1871 -((( 1872 -AT+RECVB: Print last received data in binary format (with hexadecimal values) 1873 -))) 1874 - 1875 -((( 1876 -AT+RECV: Print last received data in raw format 1877 -))) 1878 - 1879 -((( 1880 -AT+VER: Get current image version and Frequency Band 1881 -))) 1882 - 1883 -((( 1884 -AT+CFM: Get or Set the confirmation mode (0-1) 1885 -))) 1886 - 1887 -((( 1888 -AT+CFS: Get confirmation status of the last AT+SEND (0-1) 1889 -))) 1890 - 1891 -((( 1892 -AT+SNR: Get the SNR of the last received packet 1893 -))) 1894 - 1895 -((( 1896 -AT+RSSI: Get the RSSI of the last received packet 1897 -))) 1898 - 1899 -((( 1900 -AT+TDC: Get or set the application data transmission interval in ms 1901 -))) 1902 - 1903 -((( 1904 -AT+PORT: Get or set the application port 1905 -))) 1906 - 1907 -((( 1908 -AT+DISAT: Disable AT commands 1909 -))) 1910 - 1911 -((( 1912 -AT+PWORD: Set password, max 9 digits 1913 -))) 1914 - 1915 -((( 1916 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode 1917 -))) 1918 - 1919 -((( 1920 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470 1921 -))) 1922 - 1923 -((( 1924 -AT+CFG: Print all settings 1925 -))) 1926 - 1927 - 1928 1928 == 4.2 Common AT Command Sequence == 1929 1929 1930 1930 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1933,41 +1933,41 @@ 1933 1933 1934 1934 1935 1935 ((( 1936 -(% style="color:blue" %)**If device has not joined network yet:** 1873 +(% style="color:blue" %)**If the device has not joined the network yet:** 1937 1937 ))) 1938 1938 ))) 1939 1939 1940 1940 ((( 1941 -(% style="background-color:#dcdcdc" %)**123456** 1878 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**## 1942 1942 ))) 1943 1943 1944 1944 ((( 1945 -(% style="background-color:#dcdcdc" %)**AT+FDR** 1882 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**## 1946 1946 ))) 1947 1947 1948 1948 ((( 1949 -(% style="background-color:#dcdcdc" %)**123456** 1886 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**## 1950 1950 ))) 1951 1951 1952 1952 ((( 1953 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** 1890 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**## 1954 1954 ))) 1955 1955 1956 1956 ((( 1957 -(% style="background-color:#dcdcdc" %)**ATZ** 1894 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**## 1958 1958 ))) 1959 1959 1960 1960 1961 1961 ((( 1962 -(% style="color:blue" %)**If device already joined network:** 1899 +(% style="color:blue" %)**If the device has already joined the network:** 1963 1963 ))) 1964 1964 1965 1965 ((( 1966 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** 1903 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**## 1967 1967 ))) 1968 1968 1969 1969 ((( 1970 -(% style="background-color:#dcdcdc" %)**ATZ** 1907 +(% style="background-color:#dcdcdc" %)##**ATZ**## 1971 1971 ))) 1972 1972 1973 1973 ... ... @@ -2044,8 +2044,6 @@ 2044 2044 dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.** 2045 2045 2046 2046 **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.** 2047 - 2048 - 2049 2049 ))) 2050 2050 2051 2051 ((( ... ... @@ -2052,9 +2052,6 @@ 2052 2052 [[image:1653359097980-169.png||height="188" width="729"]] 2053 2053 ))) 2054 2054 2055 -((( 2056 - 2057 -))) 2058 2058 2059 2059 === 4.2.3 Change to Class A === 2060 2060 ... ... @@ -2062,44 +2062,58 @@ 2062 2062 ((( 2063 2063 (% style="color:blue" %)**If sensor JOINED:** 2064 2064 2065 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A 2066 -ATZ** 1997 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A** 1998 + 1999 +(% style="background-color:#dcdcdc" %)**ATZ** 2067 2067 ))) 2068 2068 2069 2069 2070 2070 = 5. Case Study = 2071 2071 2072 -== 5.1 Counting how many objects pass inFlow Line ==2005 +== 5.1 Counting how many objects pass through the flow Line == 2073 2073 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]]? 2074 2074 2075 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]? 2076 2076 2077 - 2078 2078 = 6. FAQ = 2079 2079 2080 - ==6.1 Howtoupgrade theimage?==2012 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly. 2081 2081 2082 2082 2083 - TheLTLoRaWANControlleris shippedwitha3.5mm cable,thecableis used to upload imageto LT to:2015 +== 6.1 How to update the firmware? == 2084 2084 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 + 2085 2085 * Support new features 2086 -* F orbugfix2087 -* Change LoRaWAN bands .2022 +* Fix bugs 2023 +* Change LoRaWAN frequency bands 2088 2088 2089 - Belowshowsthe hardwareconnection forhow to uploadanimage to the LT:2025 +You will need the following things before proceeding: 2090 2090 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 + 2091 2091 [[image:1653359603330-121.png]] 2092 2092 2093 2093 2094 -((( 2095 -(% 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]]. 2096 -(% 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]]. 2097 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 2098 - 2042 +Start the STM32 Flash Loader and choose the correct COM port to update. 2099 2099 2100 2100 ((( 2045 +((( 2101 2101 (% style="color:blue" %)**For LT-22222-L**(%%): 2102 -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. 2103 2103 ))) 2104 2104 2105 2105 ... ... @@ -2114,41 +2114,36 @@ 2114 2114 [[image:image-20220524104033-15.png]] 2115 2115 2116 2116 2117 -(% 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: 2118 2118 2119 - 2120 2120 [[image:1653360054704-518.png||height="186" width="745"]] 2121 2121 2122 2122 2123 2123 ((( 2124 2124 ((( 2125 -== 6.2 How to change the LoRa Frequency Bands/Region? == 2126 - 2127 - 2070 +== 6.2 How to change the LoRaWAN frequency band/region? == 2128 2128 ))) 2129 2129 ))) 2130 2130 2131 2131 ((( 2132 - 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. 2133 2133 ))) 2134 2134 2135 2135 ((( 2136 2136 2137 2137 2138 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 2139 - 2140 - 2081 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? == 2141 2141 ))) 2142 2142 2143 2143 ((( 2144 2144 ((( 2145 -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. 2146 2146 ))) 2147 2147 ))) 2148 2148 2149 2149 ((( 2150 2150 ((( 2151 -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. 2152 2152 2153 2153 2154 2154 ))) ... ... @@ -2155,7 +2155,7 @@ 2155 2155 ))) 2156 2156 2157 2157 ((( 2158 -(% 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. 2159 2159 2160 2160 2161 2161 ))) ... ... @@ -2180,13 +2180,21 @@ 2180 2180 2181 2181 ((( 2182 2182 (% style="background-color:#dcdcdc" %)**123456** (%%) : Enter Password to have AT access. 2124 + 2183 2183 (% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset Parameters to Factory Default, Keys Reserve 2126 + 2184 2184 (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode 2128 + 2185 2185 (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Set the Adaptive Data Rate Off 2130 + 2186 2186 (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Set AT+DR=3 for 915 band) 2132 + 2187 2187 (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds 2134 + 2188 2188 (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz 2136 + 2189 2189 (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%) : Set Device Address to 26 01 1A F1 2138 + 2190 2190 (% style="background-color:#dcdcdc" %)**ATZ** (%%) : Reset MCU 2191 2191 ))) 2192 2192 ... ... @@ -2198,147 +2198,139 @@ 2198 2198 [[image:1653360498588-932.png||height="485" width="726"]] 2199 2199 2200 2200 2201 -== 6.4 How to change the uplink interval ?==2150 +== 6.4 How to change the uplink interval? == 2202 2202 2203 - 2204 2204 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/]] 2205 2205 2206 2206 2207 -== 6.5 Can I see counting event in Serial? ==2155 +== 6.5 Can I see the counting event in the serial output? == 2208 2208 2209 - 2210 2210 ((( 2211 - 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. 2212 2212 2213 2213 2214 -== 6.6 Can iuse pointforLT-22222-L? ==2161 +== 6.6 Can I use point-to-point communication with LT-22222-L? == 2215 2215 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]]. 2216 2216 2217 -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]]. 2218 - 2219 2219 2220 2220 ))) 2221 2221 2222 2222 ((( 2223 -== 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? == 2224 2224 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. 2225 2225 2226 - Ifthedeviceisnot shutdown,butdirectlypoweredoff.2176 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? == 2227 2227 2228 - 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: 2229 2229 2230 -In modes 2 to 5, DO RO status and pulse count are saved in flash. 2231 2231 2232 - After restart, thestatus beforepower failurewill be readfrom flash.2181 +[[image:image-20221006170630-1.png||height="610" width="945"]] 2233 2233 2234 2234 2235 -== 6. 8Cani setupLT-22222-LasNC(Normal Close)Relay? ==2184 +== 6.9 Can the LT-22222-L save the RO state? == 2236 2236 2186 +The firmware version must be at least 1.6.0. 2237 2237 2238 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below: 2239 2239 2189 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? == 2240 2240 2241 - [[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. 2242 2242 2243 2243 2244 -= =6.9Can LT22222-L saveROstate?==2194 += 7. Troubleshooting = 2245 2245 2196 +This section provides some known troubleshooting tips. 2246 2246 2247 -Firmware version needs to be no less than 1.6.0. 2248 - 2249 - 2250 -= 7. Trouble Shooting = 2198 + 2251 2251 ))) 2252 2252 2253 2253 ((( 2254 2254 ((( 2255 -== 7.1 Downlink doesn't work, how to solve it? == 2256 - 2257 - 2203 +== 7.1 Downlink isn't working. How can I solve this? == 2258 2258 ))) 2259 2259 ))) 2260 2260 2261 2261 ((( 2262 -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"]] 2263 2263 ))) 2264 2264 2265 2265 ((( 2266 2266 2267 2267 2268 -== 7.2 Have trouble to upload image. == 2269 - 2270 - 2214 +== 7.2 Having trouble uploading an image? == 2271 2271 ))) 2272 2272 2273 2273 ((( 2274 - 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]] 2275 2275 ))) 2276 2276 2277 2277 ((( 2278 2278 2279 2279 2280 -== 7.3 Why I can't join TTN in US915 /AU915 bands? == 2281 - 2282 - 2224 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? == 2283 2283 ))) 2284 2284 2285 2285 ((( 2286 -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]] 2287 2287 ))) 2288 2288 2289 2289 2290 -= 8.OrderInfo =2232 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? == 2291 2291 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"]] 2292 2292 2237 + 2238 += 8. Ordering information = 2239 + 2293 2293 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 2294 2294 2295 2295 (% style="color:#4f81bd" %)**XXX:** 2296 2296 2297 -* (% style="color:red" %)**EU433**(%%): 2298 -* (% style="color:red" %)**EU868**(%%): 2299 -* (% style="color:red" %)**KR920**(%%): 2300 -* (% style="color:red" %)**CN470**(%%): 2301 -* (% style="color:red" %)**AS923**(%%): 2302 -* (% style="color:red" %)**AU915**(%%): 2303 -* (% style="color:red" %)**US915**(%%): 2304 -* (% style="color:red" %)**IN865**(%%): 2305 -* (% 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 2306 2306 2307 -= 9. Packing Info =2254 += 9. Packing information = 2308 2308 2256 +**Package includes**: 2309 2309 2310 -**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 2311 2311 2312 -* LT-22222-L I/O Controller x 1 2313 -* Stick Antenna for LoRa RF part x 1 2314 -* Bracket for controller x1 2315 -* Program cable x 1 2316 - 2317 2317 **Dimension and weight**: 2318 2318 2319 2319 * Device Size: 13.5 x 7 x 3 cm 2320 -* Device Weight: 105g 2266 +* Device Weight: 105 g 2321 2321 * Package Size / pcs : 14.5 x 8 x 5 cm 2322 -* Weight / pcs : 170g 2268 +* Weight / pcs : 170 g 2323 2323 2324 2324 = 10. Support = 2325 2325 2326 - 2327 2327 * ((( 2328 -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. 2329 2329 ))) 2330 2330 * ((( 2331 -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]] 2332 2332 2333 - 2334 2334 2335 2335 ))) 2336 2336 2337 2337 = 11. Reference = 2338 2338 2339 - 2340 2340 * 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]] 2341 2341 * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2342 2342 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2343 - 2344 -
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