Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.2 >
edited by Xiaoling
on 2023/06/19 15:31
To version < 146.1 >
edited by Dilisi S
on 2024/10/31 22:08
>
Change comment: Uploaded new attachment "thingseye-io-step-2.png", version {1}

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -15,36 +15,30 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is LT Series I/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 use environment 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 -(((
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 -)))
36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43 43  
44 44  (((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46 46  
47 -
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.
44 +
45 +> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48 48  )))
49 49  
50 50  (((
... ... @@ -53,162 +53,71 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
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 Degree, 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 -
178 178  * LoRaWAN Class A & Class C protocol
179 -
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 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -== 1.4  Applications ==
105 +== 1.4 Applications ==
193 193  
194 -
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" 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**
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**
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"]]
... ... @@ -221,84 +221,124 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
224 -= 2. Power ON Device =
131 += 2. Assembling the Device =
225 225  
133 +== 2.1 What is included in the package? ==
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 +The package includes the following items:
230 230  
231 -(((
232 -PWR will on when device is properly powered.
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
233 233  
234 -
235 -)))
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.
236 236  
237 -[[image:1653297104069-180.png]]
144 +== 2.2 Terminals ==
238 238  
146 +Upper screw terminal block (from left to right):
239 239  
240 -= 3. Operation Mode =
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
241 241  
242 -== 3.1 How it works? ==
157 +Lower screw terminal block (from left to right):
243 243  
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
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 -)))
172 +== 2.3 Powering ==
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 -)))
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.
252 252  
253 253  
254 -== 3.2 Example to join LoRaWAN network ==
177 +[[image:1653297104069-180.png]]
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. 
180 += 3. Operation Mode =
259 259  
260 -
261 -)))
182 +== 3.1 How does it work? ==
262 262  
263 -[[image:image-20220523172350-1.png||height="266" width="864"]]
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.
264 264  
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. 
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:
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.
268 268  
269 -
270 -)))
190 +== 3.2 Registering with a LoRaWAN network server ==
271 271  
272 -(((
273 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
274 -)))
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
275 275  
276 -(((
277 -Each LT is shipped with a sticker with the default device EUI as below:
278 -)))
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
279 279  
196 +=== 3.2.1 Prerequisites ===
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.
199 +
280 280  [[image:image-20230425173427-2.png||height="246" width="530"]]
281 281  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
282 282  
283 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
284 284  
285 -**Add APP EUI in the application.**
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:
286 286  
287 -[[image:1653297955910-247.png||height="321" width="716"]]
210 +==== Using the LoRaWAN Device Repository: ====
288 288  
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.
289 289  
290 -**Add APP KEY and DEV EUI**
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
291 291  
292 -[[image:1653298023685-319.png]]
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.
293 293  
227 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
294 294  
229 +==== Entering device information manually: ====
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.
231 +* On the **Register end device** page:
232 +** Select the **Enter end device specified manually** option.
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** option.
237 +** Select **Over the air activation (OTAA)** option under **Activation mode**
238 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
239 +** Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
240 +** Enter **DevEUI** in the **DevEUI** field.
241 +** Enter **AppKey** in the **AppKey** field.
242 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
243 +** Under **After registration**, select the **View registered end device** option.
298 298  
299 -
300 -)))
245 +==== Joining ====
301 301  
247 +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.
248 +
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
... ... @@ -325,8 +325,8 @@
325 325  (((
326 326  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
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**
275 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
276 +|(% 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  )))|(((
... ... @@ -343,12 +343,12 @@
343 343  (((
344 344  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
345 345  
346 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
293 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
347 347  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
348 348  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
349 349  )))
350 350  
351 -* RO is for relay. ROx=1 : close，ROx=0 always open.
298 +* RO is for relay. ROx=1 : close, ROx=0 always open.
352 352  * DI is for digital input. DIx=1: high or float, DIx=0: low.
353 353  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
354 354  
... ... @@ -359,7 +359,7 @@
359 359  
360 360  **The value for the interface is:  **
361 361  
362 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
309 +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  
... ... @@ -397,8 +397,8 @@
397 397  (((
398 398  Total : 11 bytes payload
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**
347 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
348 +|(% 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
... ... @@ -407,11 +407,11 @@
407 407  (((
408 408  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
409 409  
410 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
411 411  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
412 412  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
413 413  
414 -RO is for relay. ROx=1 : close，ROx=0 always open.
361 +RO is for relay. ROx=1 : close , ROx=0 always open.
415 415  )))
416 416  
417 417  * FIRST: Indicate this is the first packet after join network.
... ... @@ -419,26 +419,22 @@
419 419  
420 420  (((
421 421  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
422 -)))
423 423  
424 -(((
425 425  
371 +)))
426 426  
373 +(((
427 427  **To use counting mode, please run:**
428 428  )))
429 429  
377 +(((
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  
... ... @@ -468,8 +468,8 @@
468 468  
469 469  **LT22222-L**: This mode the DI1 is used as a counting pin.
470 470  
471 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
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**
414 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415 +|(% 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  )))|(((
... ... @@ -479,12 +479,12 @@
479 479  (((
480 480  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
481 481  
482 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
425 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
483 483  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
484 484  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
485 485  )))
486 486  
487 -* RO is for relay. ROx=1 : close，ROx=0 always open.
430 +* RO is for relay. ROx=1 : close, ROx=0 always open.
488 488  * FIRST: Indicate this is the first packet after join network.
489 489  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
490 490  
... ... @@ -497,18 +497,14 @@
497 497  **To use counting mode, please run:**
498 498  )))
499 499  
443 +(((
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  (((
514 514  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -525,8 +525,8 @@
525 525  (((
526 526  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.
527 527  
528 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
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**
467 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
468 +|(% 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
... ... @@ -535,39 +535,34 @@
535 535  (((
536 536  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
537 537  
538 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
477 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
539 539  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
540 540  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
541 541  )))
542 542  
543 -* RO is for relay. ROx=1 : close，ROx=0 always open.
482 +* RO is for relay. ROx=1 : close, ROx=0 always open.
544 544  * FIRST: Indicate this is the first packet after join network.
545 545  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
546 546  
547 547  (((
548 548  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
549 -)))
550 550  
551 -(((
552 552  
490 +)))
553 553  
492 +(((
554 554  **To use this mode, please run:**
555 555  )))
556 556  
496 +(((
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  (((
572 572  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
573 573  )))
... ... @@ -590,8 +590,8 @@
590 590  
591 591  **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**
527 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
528 +|(% 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  )))|(((
... ... @@ -605,12 +605,12 @@
605 605  (((
606 606  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
607 607  
608 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
609 609  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
610 610  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
611 611  )))
612 612  
613 -* RO is for relay. ROx=1 : close，ROx=0 always open.
547 +* RO is for relay. ROx=1 : close, ROx=0 always open.
614 614  * FIRST: Indicate this is the first packet after join network.
615 615  * (((
616 616  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -621,23 +621,17 @@
621 621  )))
622 622  
623 623  (((
624 -
625 -
626 626  **To use this mode, please run:**
627 627  )))
628 628  
561 +(((
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  (((
643 643  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -732,8 +732,8 @@
732 732  
733 733  MOD6 Payload : total 11 bytes payload
734 734  
735 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
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**
663 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
664 +|(% 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  )))|(((
... ... @@ -746,7 +746,7 @@
746 746  
747 747  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
748 748  
749 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
677 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
750 750  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
751 751  |(((
752 752  AV1_LOW
... ... @@ -775,7 +775,7 @@
775 775  
776 776  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
777 777  
778 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
706 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
779 779  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
780 780  |(((
781 781  AV1_LOW
... ... @@ -804,7 +804,7 @@
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:520px" %)
735 +(% 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  
... ... @@ -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**
992 +|(% 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**
1035 +|(% 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**
1043 +|(% 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**
1051 +|(% 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. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1088 +==== 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 -01: Close ,  00: Open , 11: No action
1106 +00: Close ,  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**
1109 +|(% 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
... ... @@ -1449,7 +1449,6 @@
1449 1449  [[image:1653356838789-523.png||height="337" width="740"]]
1450 1450  
1451 1451  
1452 -
1453 1453  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1454 1454  
1455 1455  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1602,8 +1602,11 @@
1602 1602  
1603 1603  [[image:image-20230616235145-1.png]]
1604 1604  
1532 +(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1605 1605  
1534 +[[image:image-20240219115718-1.png]]
1606 1606  
1536 +
1607 1607  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1608 1608  
1609 1609  
... ... @@ -1678,12 +1678,9 @@
1678 1678  == 3.7 LEDs Indicators ==
1679 1679  
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**
1611 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1612 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1683 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 -)))
1687 1687  |**TX**|(((
1688 1688  (((
1689 1689  Device boot: TX blinks 5 times.
... ... @@ -1698,20 +1698,16 @@
1698 1698  )))
1699 1699  )))
1700 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
1628 +|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1629 +|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1630 +|**DI1**|(((
1631 +For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1706 1706  )))
1707 1707  |**DI2**|(((
1708 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1634 +For LT-22222-L: ON when DI2 is high, LOW 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**|
1636 +|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1637 +|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1715 1715  
1716 1716  = 4. Use AT Command =
1717 1717  
... ... @@ -1722,10 +1722,6 @@
1722 1722  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.
1723 1723  )))
1724 1724  
1725 -(((
1726 -
1727 -)))
1728 -
1729 1729  [[image:1653358238933-385.png]]
1730 1730  
1731 1731  
... ... @@ -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  
... ... @@ -2062,8 +2062,9 @@
2062 2062  (((
2063 2063  (% style="color:blue" %)**If sensor JOINED:**
2064 2064  
2065 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2066 -ATZ**
1979 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1980 +
1981 +(% style="background-color:#dcdcdc" %)**ATZ**
2067 2067  )))
2068 2068  
2069 2069  
... ... @@ -2116,7 +2116,6 @@
2116 2116  
2117 2117  (% 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:
2118 2118  
2119 -
2120 2120  [[image:1653360054704-518.png||height="186" width="745"]]
2121 2121  
2122 2122  
... ... @@ -2180,13 +2180,21 @@
2180 2180  
2181 2181  (((
2182 2182  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2097 +
2183 2183  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2099 +
2184 2184  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2101 +
2185 2185  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2103 +
2186 2186  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2105 +
2187 2187  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2107 +
2188 2188  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2109 +
2189 2189  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2111 +
2190 2190  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2191 2191  )))
2192 2192  
... ... @@ -2198,7 +2198,7 @@
2198 2198  [[image:1653360498588-932.png||height="485" width="726"]]
2199 2199  
2200 2200  
2201 -== 6.4 How to change the uplink interval？ ==
2123 +== 6.4 How to change the uplink interval? ==
2202 2202  
2203 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/]]
... ... @@ -2247,6 +2247,12 @@
2247 2247  Firmware version needs to be no less than 1.6.0.
2248 2248  
2249 2249  
2172 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2173 +
2174 +
2175 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2176 +
2177 +
2250 2250  = 7. Trouble Shooting =
2251 2251  )))
2252 2252  
... ... @@ -2287,6 +2287,13 @@
2287 2287  )))
2288 2288  
2289 2289  
2218 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2219 +
2220 +
2221 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2222 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2223 +
2224 +
2290 2290  = 8. Order Info =
2291 2291  
2292 2292  
... ... @@ -2340,5 +2340,3 @@
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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