Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.10 >
edited by Xiaoling
on 2023/06/08 17:27
To version < 143.1 >
edited by Dilisi S
on 2024/10/31 05:06
>
Change comment: Oct 30 edits

Summary

Details

Page properties
Title
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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  (((
... ... @@ -53,166 +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  
105 +== 1.4 Applications ==
192 192  
193 -
194 -== 1.4  Applications ==
195 -
196 -
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 -
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
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**
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**
216 216  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 217  (% style="text-align:center" %)
218 218  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -225,86 +225,124 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
131 += 2. Assembling the Device =
228 228  
133 +== 2.1 What is included in the package? ==
229 229  
230 -= 2. Power ON Device =
135 +The package includes the following items:
231 231  
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
232 232  
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 -)))
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 -(((
238 -PWR will on when device is properly powered.
144 +== 2.2 Terminals ==
239 239  
240 -
241 -)))
146 +Upper screw terminal block (from left to right):
242 242  
243 -[[image:1653297104069-180.png]]
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
244 244  
157 +Lower screw terminal block (from left to right):
245 245  
246 -= 3. Operation Mode =
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
247 247  
248 -== 3.1 How it works? ==
172 +== 2.3 Powering ==
249 249  
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.
250 250  
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 -)))
254 254  
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 -)))
177 +[[image:1653297104069-180.png]]
258 258  
259 259  
260 -== 3.2 Example to join LoRaWAN network ==
180 += 3. Operation Mode =
261 261  
182 +== 3.1 How does it work? ==
262 262  
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. 
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.
265 265  
266 -
267 -)))
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. 
268 268  
269 -[[image:image-20220523172350-1.png||height="266" width="864"]]
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.
270 270  
190 +== 3.2 Registering with a LoRaWAN network server ==
271 271  
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:
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
274 274  
275 -
276 -)))
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
277 277  
278 -(((
279 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
280 -)))
196 +=== 3.2.1 Prerequisites ===
281 281  
282 -(((
283 -Each LT is shipped with a sticker with the default device EUI as below:
284 -)))
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.
285 285  
286 286  [[image:image-20230425173427-2.png||height="246" width="530"]]
287 287  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
288 288  
289 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
290 290  
291 -**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:
292 292  
293 -[[image:1653297955910-247.png||height="321" width="716"]]
210 +==== Using the LoRaWAN Device Repository: ====
294 294  
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.
295 295  
296 -**Add APP KEY and DEV EUI**
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
297 297  
298 -[[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.
299 299  
227 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
300 300  
229 +==== Entering device information manually: ====
301 301  
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.
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.
304 304  
305 -
306 -)))
245 +==== Joining ====
307 307  
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 +
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
... ... @@ -325,8 +325,6 @@
325 325  
326 326  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
327 327  
328 -
329 -
330 330  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
331 331  
332 332  
... ... @@ -333,8 +333,8 @@
333 333  (((
334 334  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
335 335  
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**
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**
338 338  |Value|(((
339 339  AVI1 voltage
340 340  )))|(((
... ... @@ -349,17 +349,14 @@
349 349  )))
350 350  
351 351  (((
352 -
353 -
354 354  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
355 355  
356 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
293 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
357 357  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
358 358  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
359 359  )))
360 360  
361 -
362 -* RO is for relay. ROx=1 : close，ROx=0 always open.
298 +* RO is for relay. ROx=1 : close, ROx=0 always open.
363 363  * DI is for digital input. DIx=1: high or float, DIx=0: low.
364 364  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
365 365  
... ... @@ -370,7 +370,7 @@
370 370  
371 371  **The value for the interface is:  **
372 372  
373 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
309 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
374 374  
375 375  AVI2 channel voltage is 0x04AC/1000=1.196V
376 376  
... ... @@ -408,8 +408,8 @@
408 408  (((
409 409  Total : 11 bytes payload
410 410  
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**
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**
413 413  |Value|COUNT1|COUNT2 |DIDORO*|(((
414 414  Reserve
415 415  )))|MOD
... ... @@ -416,15 +416,13 @@
416 416  )))
417 417  
418 418  (((
419 -
420 -
421 421  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
422 422  
423 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
424 424  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
425 425  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
426 426  
427 -RO is for relay. ROx=1 : close，ROx=0 always open.
361 +RO is for relay. ROx=1 : close , ROx=0 always open.
428 428  )))
429 429  
430 430  * FIRST: Indicate this is the first packet after join network.
... ... @@ -432,39 +432,32 @@
432 432  
433 433  (((
434 434  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
435 -)))
436 436  
437 -(((
438 438  
371 +)))
439 439  
373 +(((
440 440  **To use counting mode, please run:**
441 441  )))
442 442  
377 +(((
443 443  (% class="box infomessage" %)
444 444  (((
445 -(((
446 -(((
447 447  **AT+MOD=2**
448 -)))
449 449  
450 -(((
451 451  **ATZ**
452 452  )))
453 453  )))
454 -)))
455 455  
456 456  (((
457 457  
458 458  
459 459  (% style="color:#4f81bd" %)**AT Commands for counting:**
460 -
461 -
462 462  )))
463 463  
464 464  (((
465 465  **For LT22222-L:**
466 466  
467 -
468 468  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
469 469  
470 470  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -484,8 +484,8 @@
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
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**
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**
489 489  |Value|COUNT1|(((
490 490  ACI1 Current
491 491  )))|(((
... ... @@ -493,17 +493,14 @@
493 493  )))|DIDORO*|Reserve|MOD
494 494  
495 495  (((
496 -
497 -
498 498  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
499 499  
500 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
425 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
501 501  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
502 502  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503 503  )))
504 504  
505 -
506 -* RO is for relay. ROx=1 : close，ROx=0 always open.
430 +* RO is for relay. ROx=1 : close, ROx=0 always open.
507 507  * FIRST: Indicate this is the first packet after join network.
508 508  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
509 509  
... ... @@ -516,18 +516,14 @@
516 516  **To use counting mode, please run:**
517 517  )))
518 518  
443 +(((
519 519  (% class="box infomessage" %)
520 520  (((
521 -(((
522 -(((
523 523  **AT+MOD=3**
524 -)))
525 525  
526 -(((
527 527  **ATZ**
528 528  )))
529 529  )))
530 -)))
531 531  
532 532  (((
533 533  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -544,60 +544,51 @@
544 544  (((
545 545  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.
546 546  
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**
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**
549 549  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 -Reserve)))|MOD
470 +Reserve
471 +)))|MOD
551 551  )))
552 552  
553 -
554 554  (((
555 555  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
556 556  
557 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
477 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
558 558  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
559 559  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
560 560  )))
561 561  
562 -
563 -* RO is for relay. ROx=1 : close，ROx=0 always open.
482 +* RO is for relay. ROx=1 : close, ROx=0 always open.
564 564  * FIRST: Indicate this is the first packet after join network.
565 565  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
566 566  
567 567  (((
568 568  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
569 -)))
570 570  
571 -(((
572 572  
490 +)))
573 573  
492 +(((
574 574  **To use this mode, please run:**
575 575  )))
576 576  
496 +(((
577 577  (% class="box infomessage" %)
578 578  (((
579 -(((
580 -(((
581 581  **AT+MOD=4**
582 -)))
583 583  
584 -(((
585 585  **ATZ**
586 586  )))
587 587  )))
588 -)))
589 589  
590 -
591 591  (((
592 592  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
593 593  )))
594 594  
595 595  (((
596 -
597 -
598 598  **Plus below command for AVI1 Counting:**
599 599  
600 -
601 601  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
602 602  
603 603  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -613,8 +613,8 @@
613 613  
614 614  **LT22222-L**: This mode the DI1 is used as a counting pin.
615 615  
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**
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**
618 618  |Value|(((
619 619  AVI1 voltage
620 620  )))|(((
... ... @@ -626,16 +626,14 @@
626 626  )))|MOD
627 627  
628 628  (((
629 -
630 -
631 631  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
632 632  
633 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
634 634  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
635 635  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
636 636  )))
637 637  
638 -* RO is for relay. ROx=1 : close，ROx=0 always open.
547 +* RO is for relay. ROx=1 : close, ROx=0 always open.
639 639  * FIRST: Indicate this is the first packet after join network.
640 640  * (((
641 641  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -646,23 +646,17 @@
646 646  )))
647 647  
648 648  (((
649 -
650 -
651 651  **To use this mode, please run:**
652 652  )))
653 653  
561 +(((
654 654  (% class="box infomessage" %)
655 655  (((
656 -(((
657 -(((
658 658  **AT+MOD=5**
659 -)))
660 660  
661 -(((
662 662  **ATZ**
663 663  )))
664 664  )))
665 -)))
666 666  
667 667  (((
668 668  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -757,8 +757,8 @@
757 757  
758 758  MOD6 Payload : total 11 bytes payload
759 759  
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: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**
762 762  |Value|(((
763 763  TRI_A FLAG
764 764  )))|(((
... ... @@ -771,7 +771,7 @@
771 771  
772 772  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
773 773  
774 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
677 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
775 775  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
776 776  |(((
777 777  AV1_LOW
... ... @@ -800,7 +800,7 @@
800 800  
801 801  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
802 802  
803 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
706 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
804 804  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
805 805  |(((
806 806  AV1_LOW
... ... @@ -829,7 +829,7 @@
829 829  
830 830  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
831 831  
832 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
735 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
833 833  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
834 834  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
835 835  
... ... @@ -911,14 +911,10 @@
911 911  
912 912  Set work mode.
913 913  
914 -* (% style="color:#037691" %)**AT Command:**
817 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
915 915  
916 -(% style="color:blue" %)**AT+MOD=N  **
917 -
918 -
919 919  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
920 920  
921 -
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
923 923  
924 924  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -928,16 +928,12 @@
928 928  ==== 3.4.2.3 Poll an uplink ====
929 929  
930 930  
931 -* (% style="color:#037691" %)**AT Command:**
830 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
932 932  
933 -There is no AT Command to poll uplink
934 -
935 -
936 936  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
937 937  
938 938  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
939 939  
940 -
941 941  **Example**: 0x08FF, ask device to send an Uplink
942 942  
943 943  
... ... @@ -947,10 +947,8 @@
947 947  
948 948  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
949 949  
950 -* (% style="color:#037691" %)**AT Command:**
845 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
951 951  
952 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
953 -
954 954  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
955 955  
956 956  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -965,13 +965,12 @@
965 965  ==== 3.4.2.5 Poll trigger settings ====
966 966  
967 967  
968 -Poll trigger settings,
861 +Poll trigger settings
969 969  
970 970  * (% style="color:#037691" %)**AT Command:**
971 971  
972 972  There is no AT Command for this feature.
973 973  
974 -
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
976 976  
977 977  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -983,15 +983,11 @@
983 983  
984 984  Enable Disable DI1/DI2/DI2 as trigger,
985 985  
986 -* (% style="color:#037691" %)**AT Command:**
878 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
987 987  
988 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
880 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
989 989  
990 990  
991 -**Example:**
992 -
993 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
994 -
995 995  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
996 996  
997 997  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -1003,20 +1003,15 @@
1003 1003  
1004 1004  Set DI1 or DI3(for LT-33222-L) trigger.
1005 1005  
1006 -* (% style="color:#037691" %)**AT Command:**
894 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1007 1007  
1008 -(% style="color:blue" %)**AT+TRIG1=a,b**
1009 -
1010 1010  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1011 1011  
1012 1012  (% style="color:red" %)**b :** (%%)delay timing.
1013 1013  
900 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1014 1014  
1015 -**Example:**
1016 1016  
1017 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1018 -
1019 -
1020 1020  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
1021 1021  
1022 1022  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -1028,20 +1028,15 @@
1028 1028  
1029 1029  Set DI2 trigger.
1030 1030  
1031 -* (% style="color:#037691" %)**AT Command:**
914 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1032 1032  
1033 -(% style="color:blue" %)**AT+TRIG2=a,b**
1034 -
1035 1035  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1036 1036  
1037 1037  (% style="color:red" %)**b :** (%%)delay timing.
1038 1038  
920 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1039 1039  
1040 -**Example:**
1041 1041  
1042 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1043 -
1044 -
1045 1045  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1046 1046  
1047 1047  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -1053,11 +1053,8 @@
1053 1053  
1054 1054  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1055 1055  
1056 -* (% style="color:#037691" %)**AT Command**
934 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1057 1057  
1058 -(% style="color:blue" %)**AT+ACLIM**
1059 -
1060 -
1061 1061  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1062 1062  
1063 1063  (% 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"]]
... ... @@ -1069,11 +1069,8 @@
1069 1069  
1070 1070  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1071 1071  
1072 -* (% style="color:#037691" %)**AT Command**
947 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1073 1073  
1074 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1075 -
1076 -
1077 1077  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1078 1078  
1079 1079  (% 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"]]
... ... @@ -1085,18 +1085,13 @@
1085 1085  
1086 1086  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1087 1087  
1088 -* (% style="color:#037691" %)**AT Command**
960 +* (% 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.
1089 1089  
1090 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1091 -
1092 -
1093 1093  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1094 1094  
1095 1095  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1096 1096  
1097 1097  (((
1098 -
1099 -
1100 1100  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1101 1101  )))
1102 1102  
... ... @@ -1111,8 +1111,9 @@
1111 1111  
1112 1112  
1113 1113  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1114 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1115 1115  
982 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
983 +
1116 1116  (((
1117 1117  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1118 1118  )))
... ... @@ -1120,14 +1120,13 @@
1120 1120  (((
1121 1121  01: Low,  00: High ,  11: No action
1122 1122  
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**
991 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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**
1125 1125  |02  01  00  11|Low|High|No Action
1126 1126  |02  00  11  01|High|No Action|Low
1127 1127  |02  11  01  00|No Action|Low|High
1128 1128  )))
1129 1129  
1130 -
1131 1131  (((
1132 1132  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1133 1133  )))
... ... @@ -1165,7 +1165,7 @@
1165 1165  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1166 1166  
1167 1167  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1168 -|(% 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**
1169 1169  |0x01|DO1 set to low
1170 1170  |0x00|DO1 set to high
1171 1171  |0x11|DO1 NO Action
... ... @@ -1173,7 +1173,7 @@
1173 1173  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1174 1174  
1175 1175  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1176 -|(% 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**
1177 1177  |0x01|DO2 set to low
1178 1178  |0x00|DO2 set to high
1179 1179  |0x11|DO2 NO Action
... ... @@ -1181,7 +1181,7 @@
1181 1181  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1182 1182  
1183 1183  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1184 -|(% 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**
1185 1185  |0x01|DO3 set to low
1186 1186  |0x00|DO3 set to high
1187 1187  |0x11|DO3 NO Action
... ... @@ -1195,7 +1195,6 @@
1195 1195  
1196 1196   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1197 1197  
1198 -
1199 1199  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1200 1200  
1201 1201  
... ... @@ -1219,7 +1219,7 @@
1219 1219  
1220 1220  
1221 1221  
1222 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1088 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1223 1223  
1224 1224  
1225 1225  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1237,10 +1237,10 @@
1237 1237  )))
1238 1238  
1239 1239  (((
1240 -01: Close ,  00: Open , 11: No action
1106 +00: Close ,  01: Open , 11: No action
1241 1241  
1242 1242  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1243 -|(% 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**
1244 1244  |03  00  11|Open|No Action
1245 1245  |03  01  11|Close|No Action
1246 1246  |03  11  00|No Action|Open
... ... @@ -1251,10 +1251,6 @@
1251 1251  |03  00  01|Open|Close
1252 1252  )))
1253 1253  
1254 -(((
1255 -
1256 -)))
1257 -
1258 1258  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1259 1259  
1260 1260  
... ... @@ -1326,11 +1326,8 @@
1326 1326  
1327 1327  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1328 1328  
1329 -* (% style="color:#037691" %)**AT Command:**
1191 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1330 1330  
1331 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1332 -
1333 -
1334 1334  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1335 1335  
1336 1336  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1340,10 +1340,8 @@
1340 1340  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1341 1341  
1342 1342  
1343 -* (% style="color:#037691" %)**AT Command:**
1202 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1344 1344  
1345 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1346 -
1347 1347  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1348 1348  
1349 1349  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1360,11 +1360,8 @@
1360 1360  
1361 1361  Clear counting for counting mode
1362 1362  
1363 -* (% style="color:#037691" %)**AT Command:**
1220 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1364 1364  
1365 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1366 -
1367 -
1368 1368  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1369 1369  
1370 1370  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1523,7 +1523,6 @@
1523 1523  [[image:1653356838789-523.png||height="337" width="740"]]
1524 1524  
1525 1525  
1526 -
1527 1527  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1528 1528  
1529 1529  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1555,12 +1555,12 @@
1555 1555  
1556 1556  
1557 1557  (((
1558 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1411 +The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1559 1559  )))
1560 1560  
1561 1561  (((
1562 1562  (((
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.
1416 +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.
1564 1564  
1565 1565  
1566 1566  )))
... ... @@ -1668,6 +1668,19 @@
1668 1668  )))
1669 1669  
1670 1670  
1524 +(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1525 +
1526 +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.
1527 +
1528 +To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1529 +
1530 +[[image:image-20230616235145-1.png]]
1531 +
1532 +(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1533 +
1534 +[[image:image-20240219115718-1.png]]
1535 +
1536 +
1671 1671  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1672 1672  
1673 1673  
... ... @@ -1742,12 +1742,9 @@
1742 1742  == 3.7 LEDs Indicators ==
1743 1743  
1744 1744  
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**
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**
1747 1747  |**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 -)))
1751 1751  |**TX**|(((
1752 1752  (((
1753 1753  Device boot: TX blinks 5 times.
... ... @@ -1762,20 +1762,16 @@
1762 1762  )))
1763 1763  )))
1764 1764  |**RX**|RX blinks once when receive a packet.
1765 -|**DO1**|
1766 -|**DO2**|
1767 -|**DO3**|
1768 -|**DI2**|(((
1769 -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
1770 1770  )))
1771 1771  |**DI2**|(((
1772 -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
1773 1773  )))
1774 -|**DI2**|(((
1775 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1776 -)))
1777 -|**RO1**|
1778 -|**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
1779 1779  
1780 1780  = 4. Use AT Command =
1781 1781  
... ... @@ -1786,10 +1786,6 @@
1786 1786  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.
1787 1787  )))
1788 1788  
1789 -(((
1790 -
1791 -)))
1792 -
1793 1793  [[image:1653358238933-385.png]]
1794 1794  
1795 1795  
... ... @@ -2108,8 +2108,6 @@
2108 2108  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2109 2109  
2110 2110  **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 -
2113 2113  )))
2114 2114  
2115 2115  (((
... ... @@ -2116,9 +2116,6 @@
2116 2116  [[image:1653359097980-169.png||height="188" width="729"]]
2117 2117  )))
2118 2118  
2119 -(((
2120 -
2121 -)))
2122 2122  
2123 2123  === 4.2.3 Change to Class A ===
2124 2124  
... ... @@ -2126,8 +2126,9 @@
2126 2126  (((
2127 2127  (% style="color:blue" %)**If sensor JOINED:**
2128 2128  
2129 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2130 -ATZ**
1979 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1980 +
1981 +(% style="background-color:#dcdcdc" %)**ATZ**
2131 2131  )))
2132 2132  
2133 2133  
... ... @@ -2157,7 +2157,7 @@
2157 2157  
2158 2158  (((
2159 2159  (% 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]].
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]].
2011 +(% 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]].
2161 2161  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2162 2162  
2163 2163  
... ... @@ -2180,7 +2180,6 @@
2180 2180  
2181 2181  (% 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:
2182 2182  
2183 -
2184 2184  [[image:1653360054704-518.png||height="186" width="745"]]
2185 2185  
2186 2186  
... ... @@ -2244,13 +2244,21 @@
2244 2244  
2245 2245  (((
2246 2246  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2097 +
2247 2247  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2099 +
2248 2248  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2101 +
2249 2249  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2103 +
2250 2250  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2105 +
2251 2251  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2107 +
2252 2252  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2109 +
2253 2253  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2111 +
2254 2254  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2255 2255  )))
2256 2256  
... ... @@ -2262,7 +2262,7 @@
2262 2262  [[image:1653360498588-932.png||height="485" width="726"]]
2263 2263  
2264 2264  
2265 -== 6.4 How to change the uplink interval？ ==
2123 +== 6.4 How to change the uplink interval? ==
2266 2266  
2267 2267  
2268 2268  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/]]
... ... @@ -2311,6 +2311,12 @@
2311 2311  Firmware version needs to be no less than 1.6.0.
2312 2312  
2313 2313  
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 +
2314 2314  = 7. Trouble Shooting =
2315 2315  )))
2316 2316  
... ... @@ -2351,6 +2351,13 @@
2351 2351  )))
2352 2352  
2353 2353  
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 +
2354 2354  = 8. Order Info =
2355 2355  
2356 2356  
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