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Last modified by Mengting Qiu on 2025/06/04 18:42
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Summary

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Title
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1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
Content
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3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -19,30 +19,36 @@
19 19  
20 20  = 1.Introduction =
21 21  
22 -== 1.1 What is the LT-22222-L I/O Controller? ==
18 +== 1.1 What is LT Series I/O Controller ==
23 23  
24 24  (((
25 -(((
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.
21 +
27 27  
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.
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.
29 29  )))
30 30  )))
31 31  
32 32  (((
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.
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.
34 34  )))
35 35  
36 -> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
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 +)))
37 37  
38 38  (((
39 -You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
37 +The use environment includes:
38 +)))
40 40  
41 -* 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.
42 -* 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.
43 -* Setup your own private LoRaWAN network.
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 +)))
44 44  
45 -> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
44 +(((
45 +2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
46 +
47 +
46 46  )))
47 47  
48 48  (((
... ... @@ -51,71 +51,166 @@
51 51  
52 52  )))
53 53  
54 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
55 55  
58 +(((
59 +
60 +
56 56  (% style="color:#037691" %)**Hardware System:**
62 +)))
57 57  
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 Degree, No Dew
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
64 64  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
66 66  
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. 
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 +)))
73 73  
108 +(((
109 +
110 +
74 74  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
75 75  
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.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
94 94  
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 +
95 95  == 1.3 Features ==
96 96  
177 +
97 97  * LoRaWAN Class A & Class C protocol
179 +
98 98  * Optional Customized LoRa Protocol
181 +
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
100 100  * AT Commands to change parameters
185 +
101 101  * Remote configure parameters via LoRa Downlink
187 +
102 102  * Firmware upgradable via program port
189 +
103 103  * Counting
104 104  
105 -== 1.4 Applications ==
106 106  
193 +
194 +== 1.4  Applications ==
195 +
196 +
107 107  * Smart Buildings & Home Automation
198 +
108 108  * Logistics and Supply Chain Management
200 +
109 109  * Smart Metering
202 +
110 110  * Smart Agriculture
204 +
111 111  * Smart Cities
206 +
112 112  * Smart Factory
113 113  
209 +
210 +
114 114  == 1.5 Hardware Variants ==
115 115  
116 116  
117 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 +|(% 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**
119 119  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 120  (% style="text-align:center" %)
121 121  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -128,140 +128,95 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
132 132  
133 -== 2.1 What is included in the package? ==
134 134  
135 -The package includes the following items:
230 += 2. Power ON Device =
136 136  
137 -* 1 x LT-22222-L I/O Controller
138 -* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 -* 1 x bracket for wall mounting
140 -* 1 x programming cable
141 141  
142 -Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
233 +(((
234 +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.
235 +)))
143 143  
144 -== 2.2 Terminals ==
237 +(((
238 +PWR will on when device is properly powered.
145 145  
146 -Upper screw terminal block (from left to right):
240 +
241 +)))
147 147  
148 -(% style="width:634px" %)
149 -|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 -|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 -|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 -|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 -|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 -|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 -|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 -
157 -Lower screw terminal block (from left to right):
158 -
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 -
172 -== 2.3 Powering ==
173 -
174 -The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
175 -
176 -
177 177  [[image:1653297104069-180.png]]
178 178  
179 179  
180 180  = 3. Operation Mode =
181 181  
182 -== 3.1 How does it work? ==
248 +== 3.1 How it works? ==
183 183  
184 -The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is 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.
185 185  
186 -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. 
251 +(((
252 +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. 
253 +)))
187 187  
188 -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.
255 +(((
256 +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.
257 +)))
189 189  
190 -== 3.2 Registering with a LoRaWAN network server ==
191 191  
192 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
260 +== 3.2 Example to join LoRaWAN network ==
193 193  
194 -[[image:image-20220523172350-1.png||height="266" width="864"]]
195 195  
196 -=== 3.2.1 Prerequisites ===
263 +(((
264 +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. 
197 197  
198 -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.
266 +
267 +)))
199 199  
200 -[[image:image-20230425173427-2.png||height="246" width="530"]]
269 +[[image:image-20220523172350-1.png||height="266" width="864"]]
201 201  
202 -The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
203 203  
204 -=== 3.2.2 The Things Stack Sandbox (TTSS) ===
272 +(((
273 +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:
205 205  
206 -* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 -* Create an application if you do not have one yet.
208 -* Register LT-22222-L with that application. Two registration options available:
275 +
276 +)))
209 209  
210 -==== Using the LoRaWAN Device Repository: ====
278 +(((
279 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
280 +)))
211 211  
212 -* Go to your application and click on the **Register end device** button.
213 -* On the **Register end device** page:
214 -** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 -** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 -** Select the **Frequency plan** that matches with your device.
282 +(((
283 +Each LT is shipped with a sticker with the default device EUI as below:
284 +)))
217 217  
218 -[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
219 219  
220 -*
221 -** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
222 -** Enter the **DevEUI** in the **DevEUI** field.
223 -** Enter the **AppKey** in the **AppKey** field.
224 -** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
225 -** Under **After registration**, select the **View registered end device** option.
226 226  
227 -[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
289 +Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
228 228  
229 -==== Entering device information manually: ====
291 +**Add APP EUI in the application.**
230 230  
231 -* On the **Register end device** page:
232 -** Select the **Enter end device specifies manually** option as the input method.
233 -** Select the **Frequency plan** that matches with your device.
234 -** Select the **LoRaWAN version**.
235 -** Select the **Regional Parameters version**.
236 -** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
237 -** Select **Over the air activation (OTAA)** option under **Activation mode**
238 -** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
293 +[[image:1653297955910-247.png||height="321" width="716"]]
239 239  
240 -[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
241 241  
296 +**Add APP KEY and DEV EUI**
242 242  
243 -* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
244 -* Enter **DevEUI** in the **DevEUI** field.
245 -* Enter **AppKey** in the **AppKey** field.
246 -* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
247 -* Under **After registration**, select the **View registered end device** option.
298 +[[image:1653298023685-319.png]]
248 248  
249 -[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
250 250  
251 251  
252 -==== Joining ====
302 +(((
303 +(% 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.
253 253  
254 -Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
305 +
306 +)))
255 255  
256 256  [[image:1653298044601-602.png||height="405" width="709"]]
257 257  
258 258  
259 -== 3.3 Uplink Payload formats ==
311 +== 3.3 Uplink Payload ==
260 260  
261 261  
262 -The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
314 +There are five working modes + one interrupt mode on LT for different type application:
263 263  
264 -* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
316 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
265 265  
266 266  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
267 267  
... ... @@ -273,14 +273,16 @@
273 273  
274 274  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
275 275  
328 +
329 +
276 276  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
277 277  
278 278  
279 279  (((
280 -In working mode MOD1, the uplink payload includes a total of 9 bytes. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" %)
334 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
281 281  
282 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
283 -|(% 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**
336 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
337 +|(% 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**
284 284  |Value|(((
285 285  AVI1 voltage
286 286  )))|(((
... ... @@ -295,26 +295,29 @@
295 295  )))
296 296  
297 297  (((
298 -(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte ,as shown below
352 +
299 299  
300 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
301 -|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
302 -|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
354 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
355 +
356 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
358 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
303 303  )))
304 304  
305 -* RO is for relay. ROx=1 : closed, ROx=0 always open.
306 -* DI is for digital input. DIx=1: high or floating, DIx=0: low.
307 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
308 308  
309 -(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
362 +* RO is for relay. ROx=1 : close，ROx=0 always open.
363 +* DI is for digital input. DIx=1: high or float, DIx=0: low.
364 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
310 310  
311 -For example, if the payload is: [[image:image-20220523175847-2.png]]
366 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
312 312  
368 +For example if payload is: [[image:image-20220523175847-2.png]]
313 313  
314 -**The interface values can be calculated as follows:  **
315 315  
316 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
371 +**The value for the interface is:  **
317 317  
373 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
374 +
318 318  AVI2 channel voltage is 0x04AC/1000=1.196V
319 319  
320 320  ACI1 channel current is 0x1310/1000=4.880mA
... ... @@ -323,23 +323,23 @@
323 323  
324 324  The last byte 0xAA= 10101010(B) means
325 325  
326 -* [1] RO1 relay channel is closed, and the RO1 LED is ON.
327 -* [0] RO2 relay channel is open, and RO2 LED is OFF.
383 +* [1] RO1 relay channel is close and the RO1 LED is ON.
384 +* [0] RO2 relay channel is open and RO2 LED is OFF;
328 328  
329 329  **LT22222-L:**
330 330  
331 -* [1] DI2 channel is high input and DI2 LED is ON.
332 -* [0] DI1 channel is low input.
388 +* [1] DI2 channel is high input and DI2 LED is ON;
389 +* [0] DI1 channel is low input;
333 333  
334 334  * [0] DO3 channel output state
335 -** DO3 is float in case no load between DO3 and V+.
392 +** DO3 is float in case no load between DO3 and V+.;
336 336  ** DO3 is high in case there is load between DO3 and V+.
337 337  ** DO3 LED is off in both case
338 338  * [1] DO2 channel output is low and DO2 LED is ON.
339 339  * [0] DO1 channel output state
340 -** DO1 is float in case no load between DO1 and V+.
397 +** DO1 is float in case no load between DO1 and V+.;
341 341  ** DO1 is high in case there is load between DO1 and V+.
342 -** DO1 LED is off in both case.
399 +** DO1 LED is off in both case
343 343  
344 344  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
345 345  
... ... @@ -351,8 +351,8 @@
351 351  (((
352 352  Total : 11 bytes payload
353 353  
354 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
355 -|(% 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**
411 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
412 +|(% 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**
356 356  |Value|COUNT1|COUNT2 |DIDORO*|(((
357 357  Reserve
358 358  )))|MOD
... ... @@ -359,13 +359,15 @@
359 359  )))
360 360  
361 361  (((
419 +
420 +
362 362  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
363 363  
364 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
423 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
365 365  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
366 366  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
367 367  
368 -RO is for relay. ROx=1 : close , ROx=0 always open.
427 +RO is for relay. ROx=1 : close，ROx=0 always open.
369 369  )))
370 370  
371 371  * FIRST: Indicate this is the first packet after join network.
... ... @@ -373,32 +373,39 @@
373 373  
374 374  (((
375 375  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
376 -
377 -
378 378  )))
379 379  
380 380  (((
438 +
439 +
381 381  **To use counting mode, please run:**
382 382  )))
383 383  
384 -(((
385 385  (% class="box infomessage" %)
386 386  (((
445 +(((
446 +(((
387 387  **AT+MOD=2**
448 +)))
388 388  
450 +(((
389 389  **ATZ**
390 390  )))
391 391  )))
454 +)))
392 392  
393 393  (((
394 394  
395 395  
396 396  (% style="color:#4f81bd" %)**AT Commands for counting:**
460 +
461 +
397 397  )))
398 398  
399 399  (((
400 400  **For LT22222-L:**
401 401  
467 +
402 402  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 404  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -418,8 +418,8 @@
418 418  
419 419  **LT22222-L**: This mode the DI1 is used as a counting pin.
420 420  
421 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
422 -|(% 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**
487 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
488 +|(% 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**
423 423  |Value|COUNT1|(((
424 424  ACI1 Current
425 425  )))|(((
... ... @@ -427,14 +427,17 @@
427 427  )))|DIDORO*|Reserve|MOD
428 428  
429 429  (((
496 +
497 +
430 430  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
431 431  
432 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
500 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
433 433  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
434 434  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
435 435  )))
436 436  
437 -* RO is for relay. ROx=1 : close, ROx=0 always open.
505 +
506 +* RO is for relay. ROx=1 : close，ROx=0 always open.
438 438  * FIRST: Indicate this is the first packet after join network.
439 439  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
440 440  
... ... @@ -447,14 +447,18 @@
447 447  **To use counting mode, please run:**
448 448  )))
449 449  
450 -(((
451 451  (% class="box infomessage" %)
452 452  (((
521 +(((
522 +(((
453 453  **AT+MOD=3**
524 +)))
454 454  
526 +(((
455 455  **ATZ**
456 456  )))
457 457  )))
530 +)))
458 458  
459 459  (((
460 460  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -471,51 +471,60 @@
471 471  (((
472 472  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
473 473  
474 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
475 -|(% 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**
547 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
548 +|(% 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**
476 476  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
477 -Reserve
478 -)))|MOD
550 +Reserve)))|MOD
479 479  )))
480 480  
553 +
481 481  (((
482 482  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
483 483  
484 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
557 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
485 485  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
486 486  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
487 487  )))
488 488  
489 -* RO is for relay. ROx=1 : close, ROx=0 always open.
562 +
563 +* RO is for relay. ROx=1 : close，ROx=0 always open.
490 490  * FIRST: Indicate this is the first packet after join network.
491 491  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
492 492  
493 493  (((
494 494  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
495 -
496 -
497 497  )))
498 498  
499 499  (((
572 +
573 +
500 500  **To use this mode, please run:**
501 501  )))
502 502  
503 -(((
504 504  (% class="box infomessage" %)
505 505  (((
579 +(((
580 +(((
506 506  **AT+MOD=4**
582 +)))
507 507  
584 +(((
508 508  **ATZ**
509 509  )))
510 510  )))
588 +)))
511 511  
590 +
512 512  (((
513 513  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
514 514  )))
515 515  
516 516  (((
596 +
597 +
517 517  **Plus below command for AVI1 Counting:**
518 518  
600 +
519 519  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
520 520  
521 521  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -531,8 +531,8 @@
531 531  
532 532  **LT22222-L**: This mode the DI1 is used as a counting pin.
533 533  
534 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 -|(% 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**
616 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
617 +|(% 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**
536 536  |Value|(((
537 537  AVI1 voltage
538 538  )))|(((
... ... @@ -544,14 +544,16 @@
544 544  )))|MOD
545 545  
546 546  (((
629 +
630 +
547 547  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
548 548  
549 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
633 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
550 550  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
551 551  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
552 552  )))
553 553  
554 -* RO is for relay. ROx=1 : close, ROx=0 always open.
638 +* RO is for relay. ROx=1 : close，ROx=0 always open.
555 555  * FIRST: Indicate this is the first packet after join network.
556 556  * (((
557 557  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -562,17 +562,23 @@
562 562  )))
563 563  
564 564  (((
649 +
650 +
565 565  **To use this mode, please run:**
566 566  )))
567 567  
568 -(((
569 569  (% class="box infomessage" %)
570 570  (((
656 +(((
657 +(((
571 571  **AT+MOD=5**
659 +)))
572 572  
661 +(((
573 573  **ATZ**
574 574  )))
575 575  )))
665 +)))
576 576  
577 577  (((
578 578  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -667,8 +667,8 @@
667 667  
668 668  MOD6 Payload : total 11 bytes payload
669 669  
670 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
671 -|(% 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**
760 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
761 +|(% 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:120px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**6**|(% style="background-color:#D9E2F3;color:#0070C0;width:120px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**1**
672 672  |Value|(((
673 673  TRI_A FLAG
674 674  )))|(((
... ... @@ -681,7 +681,7 @@
681 681  
682 682  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
683 683  
684 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
774 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
685 685  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
686 686  |(((
687 687  AV1_LOW
... ... @@ -710,7 +710,7 @@
710 710  
711 711  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
712 712  
713 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
803 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
714 714  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
715 715  |(((
716 716  AV1_LOW
... ... @@ -739,7 +739,7 @@
739 739  
740 740  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
741 741  
742 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
832 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
743 743  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
744 744  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
745 745  
... ... @@ -821,10 +821,14 @@
821 821  
822 822  Set work mode.
823 823  
824 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
914 +* (% style="color:#037691" %)**AT Command:**
825 825  
916 +(% style="color:blue" %)**AT+MOD=N  **
917 +
918 +
826 826  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
827 827  
921 +
828 828  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
829 829  
830 830  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -834,12 +834,16 @@
834 834  ==== 3.4.2.3 Poll an uplink ====
835 835  
836 836  
837 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
931 +* (% style="color:#037691" %)**AT Command:**
838 838  
933 +There is no AT Command to poll uplink
934 +
935 +
839 839  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
840 840  
841 841  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
842 842  
940 +
843 843  **Example**: 0x08FF, ask device to send an Uplink
844 844  
845 845  
... ... @@ -849,8 +849,10 @@
849 849  
850 850  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
851 851  
852 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
950 +* (% style="color:#037691" %)**AT Command:**
853 853  
952 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
953 +
854 854  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
855 855  
856 856  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -865,12 +865,13 @@
865 865  ==== 3.4.2.5 Poll trigger settings ====
866 866  
867 867  
868 -Poll trigger settings
968 +Poll trigger settings,
869 869  
870 870  * (% style="color:#037691" %)**AT Command:**
871 871  
872 872  There is no AT Command for this feature.
873 873  
974 +
874 874  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
875 875  
876 876  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -882,11 +882,15 @@
882 882  
883 883  Enable Disable DI1/DI2/DI2 as trigger,
884 884  
885 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
986 +* (% style="color:#037691" %)**AT Command:**
886 886  
887 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
988 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
888 888  
889 889  
991 +**Example:**
992 +
993 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
994 +
890 890  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
891 891  
892 892  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -898,15 +898,20 @@
898 898  
899 899  Set DI1 or DI3(for LT-33222-L) trigger.
900 900  
901 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1006 +* (% style="color:#037691" %)**AT Command:**
902 902  
1008 +(% style="color:blue" %)**AT+TRIG1=a,b**
1009 +
903 903  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
904 904  
905 905  (% style="color:red" %)**b :** (%%)delay timing.
906 906  
907 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
908 908  
1015 +**Example:**
909 909  
1017 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1018 +
1019 +
910 910  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
911 911  
912 912  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -918,15 +918,20 @@
918 918  
919 919  Set DI2 trigger.
920 920  
921 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1031 +* (% style="color:#037691" %)**AT Command:**
922 922  
1033 +(% style="color:blue" %)**AT+TRIG2=a,b**
1034 +
923 923  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
924 924  
925 925  (% style="color:red" %)**b :** (%%)delay timing.
926 926  
927 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
928 928  
1040 +**Example:**
929 929  
1042 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1043 +
1044 +
930 930  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
931 931  
932 932  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -938,8 +938,11 @@
938 938  
939 939  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
940 940  
941 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1056 +* (% style="color:#037691" %)**AT Command**
942 942  
1058 +(% style="color:blue" %)**AT+ACLIM**
1059 +
1060 +
943 943  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
944 944  
945 945  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -951,8 +951,11 @@
951 951  
952 952  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
953 953  
954 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1072 +* (% style="color:#037691" %)**AT Command**
955 955  
1074 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1075 +
1076 +
956 956  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
957 957  
958 958  (% 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"]]
... ... @@ -964,13 +964,18 @@
964 964  
965 965  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
966 966  
967 -* (% 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.
1088 +* (% style="color:#037691" %)**AT Command**
968 968  
1090 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1091 +
1092 +
969 969  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
970 970  
971 971  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
972 972  
973 973  (((
1098 +
1099 +
974 974  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
975 975  )))
976 976  
... ... @@ -985,9 +985,8 @@
985 985  
986 986  
987 987  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1114 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
988 988  
989 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
990 -
991 991  (((
992 992  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
993 993  )))
... ... @@ -995,13 +995,14 @@
995 995  (((
996 996  01: Low,  00: High ,  11: No action
997 997  
998 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
999 -|(% 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**
1123 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1124 +|(% 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**
1000 1000  |02  01  00  11|Low|High|No Action
1001 1001  |02  00  11  01|High|No Action|Low
1002 1002  |02  11  01  00|No Action|Low|High
1003 1003  )))
1004 1004  
1130 +
1005 1005  (((
1006 1006  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1007 1007  )))
... ... @@ -1039,7 +1039,7 @@
1039 1039  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1040 1040  
1041 1041  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1042 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1168 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1043 1043  |0x01|DO1 set to low
1044 1044  |0x00|DO1 set to high
1045 1045  |0x11|DO1 NO Action
... ... @@ -1047,7 +1047,7 @@
1047 1047  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1048 1048  
1049 1049  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1050 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1176 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1051 1051  |0x01|DO2 set to low
1052 1052  |0x00|DO2 set to high
1053 1053  |0x11|DO2 NO Action
... ... @@ -1055,7 +1055,7 @@
1055 1055  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1056 1056  
1057 1057  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1058 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1184 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1059 1059  |0x01|DO3 set to low
1060 1060  |0x00|DO3 set to high
1061 1061  |0x11|DO3 NO Action
... ... @@ -1069,6 +1069,7 @@
1069 1069  
1070 1070   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1071 1071  
1198 +
1072 1072  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1073 1073  
1074 1074  
... ... @@ -1092,7 +1092,7 @@
1092 1092  
1093 1093  
1094 1094  
1095 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1222 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 1096  
1097 1097  
1098 1098  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1110,10 +1110,10 @@
1110 1110  )))
1111 1111  
1112 1112  (((
1113 -00: Close ,  01: Open , 11: No action
1240 +01: Close ,  00: Open , 11: No action
1114 1114  
1115 1115  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1116 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1243 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1117 1117  |03  00  11|Open|No Action
1118 1118  |03  01  11|Close|No Action
1119 1119  |03  11  00|No Action|Open
... ... @@ -1124,6 +1124,10 @@
1124 1124  |03  00  01|Open|Close
1125 1125  )))
1126 1126  
1254 +(((
1255 +
1256 +)))
1257 +
1127 1127  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1128 1128  
1129 1129  
... ... @@ -1195,8 +1195,11 @@
1195 1195  
1196 1196  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 1197  
1198 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1329 +* (% style="color:#037691" %)**AT Command:**
1199 1199  
1331 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1332 +
1333 +
1200 1200  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1201 1201  
1202 1202  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1206,8 +1206,10 @@
1206 1206  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1207 1207  
1208 1208  
1209 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1343 +* (% style="color:#037691" %)**AT Command:**
1210 1210  
1345 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1346 +
1211 1211  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1212 1212  
1213 1213  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1224,8 +1224,11 @@
1224 1224  
1225 1225  Clear counting for counting mode
1226 1226  
1227 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1363 +* (% style="color:#037691" %)**AT Command:**
1228 1228  
1365 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1366 +
1367 +
1229 1229  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1230 1230  
1231 1231  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1353,71 +1353,55 @@
1353 1353  [[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"]]
1354 1354  
1355 1355  
1356 -== 3.5 Integrating with ThingsEye.io ==
1495 +== 3.5 Integrate with Mydevice ==
1357 1357  
1358 -If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1359 1359  
1360 -=== 3.5.1 Configuring The Things Stack Sandbox ===
1498 +Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1361 1361  
1362 -* Go to your Application and select MQTT under Integrations.
1363 -* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
1364 -* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1500 +(((
1501 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1502 +)))
1365 1365  
1366 -[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1504 +(((
1505 +(% 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:
1367 1367  
1368 -=== 3.5.2 Configuring ThingsEye.io ===
1507 +
1508 +)))
1369 1369  
1370 -* Login to your thingsEye.io account.
1371 -* Under the Integrations center, click Integrations.
1372 -* Click the Add integration button (the button with the + symbol).
1510 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1373 1373  
1374 -[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1375 1375  
1376 1376  
1377 -On the Add integration page configure the following:
1514 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1378 1378  
1379 -Basic settings:
1380 1380  
1381 -* Select The Things Stack Community from the Integration type list.
1382 -* Enter a suitable name for your integration in the Name box or keep the default name.
1383 -* Click the Next button.
1517 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1384 1384  
1385 -[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1519 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1386 1386  
1387 -Uplink Data converter:
1521 +Search under The things network
1388 1388  
1389 -* Click the Create New button if it is not selected by default.
1390 -* Click the JavaScript button.
1391 -* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1392 -* Click the Next button.
1523 +[[image:1653356838789-523.png||height="337" width="740"]]
1393 1393  
1394 -[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1395 1395  
1396 -Downlink Data converter (this is an optional step):
1397 1397  
1398 -* Click the Create new button if it is not selected by default.
1399 -* Click the JavaScript button.
1400 -* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1401 -* Click the Next button.
1527 +After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1402 1402  
1403 -[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1529 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1404 1404  
1405 -Connection:
1406 1406  
1407 -* Choose Region from the Host type.
1408 -* Enter the cluster of your The Things Stack in the Region textbox.
1409 -* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
1410 -* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
1411 -* Click the Add button.
1532 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1412 1412  
1413 -[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1414 1414  
1535 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1415 1415  
1416 -Your integration is added to the integrations list and it will display on the Integrations page.
1417 1417  
1418 -[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1538 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1419 1419  
1420 1420  
1541 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1542 +
1543 +
1421 1421  == 3.6 Interface Detail ==
1422 1422  
1423 1423  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1432,12 +1432,12 @@
1432 1432  
1433 1433  
1434 1434  (((
1435 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1558 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1436 1436  )))
1437 1437  
1438 1438  (((
1439 1439  (((
1440 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1563 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1441 1441  
1442 1442  
1443 1443  )))
... ... @@ -1545,19 +1545,6 @@
1545 1545  )))
1546 1546  
1547 1547  
1548 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1549 -
1550 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1551 -
1552 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1553 -
1554 -[[image:image-20230616235145-1.png]]
1555 -
1556 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1557 -
1558 -[[image:image-20240219115718-1.png]]
1559 -
1560 -
1561 1561  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1562 1562  
1563 1563  
... ... @@ -1632,9 +1632,12 @@
1632 1632  == 3.7 LEDs Indicators ==
1633 1633  
1634 1634  
1635 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1636 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1745 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1746 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1637 1637  |**PWR**|Always on if there is power
1748 +|**SYS**|(((
1749 +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.
1750 +)))
1638 1638  |**TX**|(((
1639 1639  (((
1640 1640  Device boot: TX blinks 5 times.
... ... @@ -1649,16 +1649,20 @@
1649 1649  )))
1650 1650  )))
1651 1651  |**RX**|RX blinks once when receive a packet.
1652 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1653 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1654 -|**DI1**|(((
1655 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1765 +|**DO1**|
1766 +|**DO2**|
1767 +|**DO3**|
1768 +|**DI2**|(((
1769 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1656 1656  )))
1657 1657  |**DI2**|(((
1658 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1772 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1659 1659  )))
1660 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1661 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1774 +|**DI2**|(((
1775 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1776 +)))
1777 +|**RO1**|
1778 +|**RO2**|
1662 1662  
1663 1663  = 4. Use AT Command =
1664 1664  
... ... @@ -1669,6 +1669,10 @@
1669 1669  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1670 1670  )))
1671 1671  
1789 +(((
1790 +
1791 +)))
1792 +
1672 1672  [[image:1653358238933-385.png]]
1673 1673  
1674 1674  
... ... @@ -1987,6 +1987,8 @@
1987 1987  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1988 1988  
1989 1989  **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.**
2111 +
2112 +
1990 1990  )))
1991 1991  
1992 1992  (((
... ... @@ -1993,6 +1993,9 @@
1993 1993  [[image:1653359097980-169.png||height="188" width="729"]]
1994 1994  )))
1995 1995  
2119 +(((
2120 +
2121 +)))
1996 1996  
1997 1997  === 4.2.3 Change to Class A ===
1998 1998  
... ... @@ -2000,9 +2000,8 @@
2000 2000  (((
2001 2001  (% style="color:blue" %)**If sensor JOINED:**
2002 2002  
2003 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2004 -
2005 -(% style="background-color:#dcdcdc" %)**ATZ**
2129 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2130 +ATZ**
2006 2006  )))
2007 2007  
2008 2008  
... ... @@ -2032,7 +2032,7 @@
2032 2032  
2033 2033  (((
2034 2034  (% 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]].
2035 -(% 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]].
2160 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2036 2036  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2037 2037  
2038 2038  
... ... @@ -2055,6 +2055,7 @@
2055 2055  
2056 2056  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2057 2057  
2183 +
2058 2058  [[image:1653360054704-518.png||height="186" width="745"]]
2059 2059  
2060 2060  
... ... @@ -2118,21 +2118,13 @@
2118 2118  
2119 2119  (((
2120 2120  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2121 -
2122 2122  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2123 -
2124 2124  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2125 -
2126 2126  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2127 -
2128 2128  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2129 -
2130 2130  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2131 -
2132 2132  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2133 -
2134 2134  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2135 -
2136 2136  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2137 2137  )))
2138 2138  
... ... @@ -2144,7 +2144,7 @@
2144 2144  [[image:1653360498588-932.png||height="485" width="726"]]
2145 2145  
2146 2146  
2147 -== 6.4 How to change the uplink interval? ==
2265 +== 6.4 How to change the uplink interval？ ==
2148 2148  
2149 2149  
2150 2150  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/]]
... ... @@ -2193,12 +2193,6 @@
2193 2193  Firmware version needs to be no less than 1.6.0.
2194 2194  
2195 2195  
2196 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2197 -
2198 -
2199 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2200 -
2201 -
2202 2202  = 7. Trouble Shooting =
2203 2203  )))
2204 2204  
... ... @@ -2239,13 +2239,6 @@
2239 2239  )))
2240 2240  
2241 2241  
2242 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2243 -
2244 -
2245 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2246 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2247 -
2248 -
2249 2249  = 8. Order Info =
2250 2250  
2251 2251  
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