Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 19.1 >
edited by Xiaoling
on 2022/05/23 18:12
To version < 12.1 >
edited by Xiaoling
on 2022/05/23 17:40
>
Change comment: Uploaded new attachment "image-20220523174024-3.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -43,7 +43,7 @@
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
46 -* SX1276/78 Wireless Chip 
46 +* SX1276/78 Wireless Chip
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
49 49  ** 20dB Transmit: 34mA@12v
... ... @@ -55,7 +55,7 @@
55 55  * 2 x Relay Output (5A@250VAC / 30VDC)
56 56  * 2 x 0~~20mA Analog Input (res:0.01mA)
57 57  * 2 x 0~~30V Analog Input (res:0.01v)
58 -* Power Input 7~~ 24V DC. 
58 +* Power Input 7~~ 24V DC.
59 59  
60 60  **LoRa Spec:**
61 61  
... ... @@ -99,7 +99,7 @@
99 99  
100 100  == 1.5 Hardware Variants ==
101 101  
102 -(% border="1" style="background-color:#f7faff; width:500px" %)
102 +(% border="1" style="background-color:#f7faff; width:540px" %)
103 103  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 104  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
105 105  * 2 x Digital Input (Bi-direction)
... ... @@ -122,7 +122,7 @@
122 122  
123 123  = 3. Operation Mode =
124 124  
125 -== 3.1 How it works? ==
125 +== 3.1 How it works? ==
126 126  
127 127  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 **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **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. 
128 128  
... ... @@ -130,7 +130,7 @@
130 130  
131 131  3.2 Example to join LoRaWAN network
132 132  
133 -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. 
133 +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.
134 134  
135 135  [[image:image-20220523172350-1.png||height="266" width="864"]]
136 136  
... ... @@ -153,51 +153,81 @@
153 153  
154 154  Add APP EUI in the application.
155 155  
156 -[[image:1653297955910-247.png||height="321" width="716"]]
156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
157 157  
158 158  Add APP KEY and DEV EUI
159 159  
160 160  [[image:1653298023685-319.png]]
161 161  
162 -(((
162 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
163 +
163 163  **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.
164 -)))
165 165  
166 -[[image:1653298044601-602.png||height="405" width="709"]]
166 +[[image:1653298044601-602.png]]
167 167  
168 -== 3.3 Uplink Payload ==
168 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
169 169  
170 +
171 +1.
172 +11. Uplink Payload
173 +
170 170  There are five working modes + one interrupt mode on LT for different type application:
171 171  
172 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
173 -* **MOD2**: Double DI Counting + DO + RO
174 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
175 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
176 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
177 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
176 +* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
177 +* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
178 +* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
179 +* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
180 +* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
181 +* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
178 178  
179 -=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
180 180  
184 +1.
185 +11.
186 +111. AT+MOD=1, 2ACI+2AVI
187 +
181 181  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
182 182  
183 -[[image:image-20220523174024-3.png]]
184 184  
185 -(((
186 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187 -)))
191 +|Size(bytes)|2|2|2|2|1|1|1
192 +|Value|(((
193 +AVI1
188 188  
189 -[[image:image-20220523174254-4.png]]
195 +voltage
196 +)))|(((
197 +AVI2
190 190  
199 +voltage
200 +)))|(((
201 +ACI1
202 +
203 +Current
204 +)))|(((
205 +ACI2
206 +
207 +Current
208 +)))|DIDORO*|(((
209 +Reserve
210 +
211 +
212 +)))|MOD
213 +
214 +
215 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
216 +
217 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
218 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
219 +
191 191  * RO is for relay. ROx=1 : close，ROx=0 always open.
192 192  * DI is for digital input. DIx=1: high or float, DIx=0: low.
193 193  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
194 194  
195 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
224 +Note: DI3 and DO3 bit are not valid for LT-22222-L
196 196  
197 -For example if payload is: [[image:image-20220523175847-2.png]]
198 198  
199 -**The value for the interface is:  **
227 +For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
200 200  
229 +The value for the interface is:
230 +
201 201  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
202 202  
203 203  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -211,11 +211,18 @@
211 211  * [1] RO1 relay channel is close and the RO1 LED is ON.
212 212  * [0] RO2 relay channel is open and RO2 LED is OFF;
213 213  
214 -**LT22222-L:**
244 +LT33222-L:
215 215  
246 +* [1] DI3 channel is high input and DI3 LED is OFF;
247 +* [0] DI2 channel is low input;
248 +* [1] DI1 channel is high input and DI1 LED is OFF;
249 +
250 +LT22222-L:
251 +
216 216  * [1] DI2 channel is high input and DI2 LED is ON;
217 217  * [0] DI1 channel is low input;
218 218  
255 +
219 219  * [0] DO3 channel output state
220 220  ** DO3 is float in case no load between DO3 and V+.;
221 221  ** DO3 is high in case there is load between DO3 and V+.
... ... @@ -226,61 +226,66 @@
226 226  ** DO1 is high in case there is load between DO1 and V+.
227 227  ** DO1 LED is off in both case
228 228  
229 -=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
230 230  
267 +
268 +1.
269 +11.
270 +111. AT+MOD=2, (Double DI Counting)
271 +
272 +**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
273 +
231 231  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
232 232  
276 +
233 233  Total : 11 bytes payload
234 234  
235 -[[image:image-20220523180452-3.png]]
279 +|Size(bytes)|4|4|1|1|1
280 +|Value|COUNT1|COUNT2 |DIDORO*|(((
281 +Reserve
236 236  
237 -(((
238 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
239 -)))
283 +
284 +)))|MOD
240 240  
241 -[[image:image-20220523180506-4.png]]
242 242  
287 +**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
288 +
289 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
290 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
291 +
243 243  * RO is for relay. ROx=1 : close，ROx=0 always open.
244 244  * FIRST: Indicate this is the first packet after join network.
245 245  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
246 246  
247 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
296 +Note: DO3 bit is not valid for LT-22222-L.
248 248  
298 +
249 249  To use counting mode, please run:
250 250  
251 -(% class="box infomessage" %)
252 -(((
253 -**AT+MOD=2**
254 -)))
301 +AT+MOD=2
255 255  
256 -(% class="box infomessage" %)
257 -(((
258 -**ATZ**
259 -)))
303 +ATZ
260 260  
305 +
261 261  AT Commands for counting:
262 262  
308 +**For LT33222-L:**
309 +
310 +AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
311 +
312 +AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
313 +
314 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
315 +
316 +
263 263  **For LT22222-L:**
264 264  
265 -(% class="box infomessage" %)
266 -(((
267 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
268 -)))
319 +AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
269 269  
270 -(% class="box infomessage" %)
271 -(((
272 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
273 -)))
321 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
274 274  
275 -(% class="box infomessage" %)
276 -(((
277 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
278 -)))
323 +AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
279 279  
280 -(% class="box infomessage" %)
281 -(((
282 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
283 -)))
325 +AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
284 284  
285 285  
286 286  AT+SETCNT=1,60   (Set COUNT1 value to 60)
... ... @@ -296,8 +296,8 @@
296 296  
297 297  
298 298  
299 -1.
300 -11.
341 +1.
342 +11.
301 301  111. AT+MOD=3, Single DI Counting + 2 x ACI
302 302  
303 303  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -305,7 +305,6 @@
305 305  **LT22222-L**: This mode the DI1 is used as a counting pin.
306 306  
307 307  
308 -(% border="1" style="background-color:#f7faff" %)
309 309  |Size(bytes)|4|2|2|1|1|1
310 310  |Value|COUNT1|(((
311 311  ACI1
... ... @@ -317,9 +317,9 @@
317 317  Current
318 318  )))|DIDORO*|Reserve|MOD
319 319  
361 +
320 320  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
321 321  
322 -(% border="1" style="background-color:#f7faff" %)
323 323  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
324 324  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
325 325  
... ... @@ -342,8 +342,8 @@
342 342  
343 343  
344 344  
345 -1.
346 -11.
386 +1.
387 +11.
347 347  111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
348 348  
349 349  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -354,7 +354,6 @@
354 354  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.
355 355  
356 356  
357 -(% border="1" style="background-color:#f7faff" %)
358 358  |Size(bytes)|4|4|1|1|1
359 359  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
360 360  Reserve
... ... @@ -362,9 +362,9 @@
362 362  
363 363  )))|MOD
364 364  
405 +
365 365  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
366 366  
367 -(% border="1" style="background-color:#f7faff" %)
368 368  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
369 369  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
370 370  
... ... @@ -397,16 +397,16 @@
397 397  
398 398  
399 399  
400 -1.
401 -11.
440 +1.
441 +11.
402 402  111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
403 403  
444 +
404 404  **LT33222-L**: This mode the DI3 is used as a counting pin.
405 405  
406 406  **LT22222-L**: This mode the DI1 is used as a counting pin.
407 407  
408 408  
409 -(% border="1" style="background-color:#f7faff" %)
410 410  |Size(bytes)|2|2|2|2|1|1|1
411 411  |Value|(((
412 412  AVI1
... ... @@ -426,9 +426,10 @@
426 426  
427 427  )))|MOD
428 428  
469 +
470 +
429 429  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
430 430  
431 -(% border="1" style="background-color:#f7faff" %)
432 432  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
433 433  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
434 434  
... ... @@ -452,10 +452,11 @@
452 452  
453 453  
454 454  
455 -1.
456 -11.
496 +1.
497 +11.
457 457  111. AT+ADDMOD=6. (Trigger Mode, Optional)
458 458  
500 +
459 459  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
460 460  
461 461  For example, if user has configured below commands:
... ... @@ -463,11 +463,13 @@
463 463  * AT+MOD=1   à The normal working mode
464 464  * AT+ADDMOD6=1    à Enable trigger
465 465  
508 +
466 466  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
467 467  
468 468  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
469 469  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
470 470  
514 +
471 471  **AT Command to set Trigger Condition**:
472 472  
473 473  **Trigger base on voltage**:
... ... @@ -538,7 +538,6 @@
538 538  
539 539  MOD6 Payload : total 11 bytes payload
540 540  
541 -(% border="1" style="background-color:#f7faff" %)
542 542  |Size(bytes)|1|1|1|6|1|1
543 543  |Value|(((
544 544  TRI_A
... ... @@ -558,9 +558,10 @@
558 558  (6)
559 559  )))
560 560  
604 +
605 +
561 561  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
562 562  
563 -(% border="1" style="background-color:#f7faff" %)
564 564  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
565 565  |(((
566 566  AV1_
... ... @@ -605,7 +605,6 @@
605 605  
606 606  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
607 607  
608 -(% border="1" style="background-color:#f7faff" %)
609 609  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
610 610  |(((
611 611  AV1_
... ... @@ -652,7 +652,6 @@
652 652  
653 653  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
654 654  
655 -(% border="1" style="background-color:#f7faff" %)
656 656  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
657 657  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
658 658  
... ... @@ -675,10 +675,11 @@
675 675  When device got this command, it will send the MOD6 payload.
676 676  
677 677  
678 -1.
679 -11.
720 +1.
721 +11.
680 680  111. Payload Decoder
681 681  
724 +
682 682  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
683 683  
684 684  
... ... @@ -687,7 +687,7 @@
687 687  
688 688  
689 689  
690 -1.
733 +1.
691 691  11. ​Configure LT via AT or Downlink
692 692  
693 693  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -698,17 +698,20 @@
698 698  
699 699  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
700 700  
701 -1.
702 -11.
744 +
745 +1.
746 +11.
703 703  111. Common Commands:
704 704  
749 +
705 705  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
706 706  
707 707  
708 -1.
709 -11.
753 +1.
754 +11.
710 710  111. Sensor related commands:
711 711  
757 +
712 712  ==== Set Transmit Interval ====
713 713  
714 714  Set device uplink interval.
... ... @@ -908,7 +908,6 @@
908 908  
909 909  01: Low,  00: High ,  11: No action
910 910  
911 -(% border="1" style="background-color:#f7faff" %)
912 912  |Downlink Code|DO1|DO2|DO3
913 913  |02  01  00  11|Low|High|No Action
914 914  |02  00  11  01|High|No Action|Low
... ... @@ -946,23 +946,22 @@
946 946  
947 947  **Third Byte**: Control Method and Ports status:
948 948  
949 -(% border="1" style="background-color:#f7faff" %)
950 950  |Second Byte|Status
951 951  |0x01|DO1 set to low
952 952  |0x00|DO1 set to high
953 953  |0x11|DO1 NO Action
954 954  
999 +
955 955  **Fourth Byte**: Control Method and Ports status:
956 956  
957 -(% border="1" style="background-color:#f7faff" %)
958 958  |Second Byte|Status
959 959  |0x01|DO2 set to low
960 960  |0x00|DO2 set to high
961 961  |0x11|DO2 NO Action
962 962  
1007 +
963 963  **Fifth Byte**: Control Method and Ports status:
964 964  
965 -(% border="1" style="background-color:#f7faff" %)
966 966  |Second Byte|Status
967 967  |0x01|DO3 set to low
968 968  |0x00|DO3 set to high
... ... @@ -1015,7 +1015,6 @@
1015 1015  
1016 1016  01: Close ,  00: Open , 11: No action
1017 1017  
1018 -(% border="1" style="background-color:#f7faff" %)
1019 1019  |Downlink Code|RO1|RO2
1020 1020  |03  00  11|Open|No Action
1021 1021  |03  01  11|Close|No Action
... ... @@ -1053,7 +1053,6 @@
1053 1053  
1054 1054  **Third Byte(bb)**: Control Method and Ports status:
1055 1055  
1056 -(% border="1" style="background-color:#f7faff" %)
1057 1057  |Value|Status
1058 1058  |0x11|RO1 and RO2 to NO
1059 1059  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1064,6 +1064,7 @@
1064 1064  |0x02|RO1 to NC, RO2 No Action
1065 1065  |0x12|RO1 to NO, RO2 No Action
1066 1066  
1109 +
1067 1067  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1068 1068  
1069 1069  Device will upload a packet if downlink code executes successfully.
... ... @@ -1165,9 +1165,10 @@
1165 1165  
1166 1166  
1167 1167  
1168 -1.
1211 +1.
1169 1169  11. Integrate with Mydevice
1170 1170  
1214 +
1171 1171  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1172 1172  
1173 1173  
... ... @@ -1212,7 +1212,7 @@
1212 1212  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1213 1213  
1214 1214  
1215 -1.
1259 +1.
1216 1216  11. Interface Detail
1217 1217  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1218 1218  
... ... @@ -1222,8 +1222,8 @@
1222 1222  
1223 1223  
1224 1224  
1225 -1.
1226 -11.
1269 +1.
1270 +11.
1227 1227  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1228 1228  
1229 1229  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1265,7 +1265,7 @@
1265 1265  
1266 1266  **Example3**: Connect to a 220v high active sensor.公司测试一下
1267 1267  
1268 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1312 +Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 
1269 1269  
1270 1270  * Connect sensor’s output to DI1+ with a serial 50K resistor
1271 1271  * Connect sensor’s GND DI1-.
... ... @@ -1277,8 +1277,8 @@
1277 1277  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1278 1278  
1279 1279  
1280 -1.
1281 -11.
1324 +1.
1325 +11.
1282 1282  111. Digital Output Port: DO1/DO2 /DO3
1283 1283  
1284 1284  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1288,8 +1288,8 @@
1288 1288  
1289 1289  
1290 1290  
1291 -1.
1292 -11.
1335 +1.
1336 +11.
1293 1293  111. Analog Input Interface
1294 1294  
1295 1295  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1321,8 +1321,8 @@
1321 1321  
1322 1322  
1323 1323  
1324 -1.
1325 -11.
1368 +1.
1369 +11.
1326 1326  111. Relay Output
1327 1327  
1328 1328  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
... ... @@ -1336,10 +1336,10 @@
1336 1336  
1337 1337  
1338 1338  
1339 -1.
1383 +1.
1340 1340  11. LEDs Indicators
1341 1341  
1342 -(% border="1" style="background-color:#f7faff" %)
1386 +
1343 1343  |**LEDs**|**Feature**
1344 1344  |**PWR**|Always on if there is power
1345 1345  |**SYS**|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.
... ... @@ -1373,6 +1373,9 @@
1373 1373  |**RO1**|
1374 1374  |**RO2**|
1375 1375  
1420 +
1421 +
1422 +
1376 1376  1. Use AT Command
1377 1377  11. Access AT Command
1378 1378  
... ... @@ -1482,7 +1482,7 @@
1482 1482  
1483 1483  
1484 1484  
1485 -1.
1532 +1.
1486 1486  11. Common AT Command Sequence
1487 1487  111. Multi-channel ABP mode (Use with SX1301/LG308)
1488 1488  
... ... @@ -1505,8 +1505,8 @@
1505 1505  
1506 1506  ATZ
1507 1507  
1508 -1.
1509 -11.
1555 +1.
1556 +11.
1510 1510  111. Single-channel ABP mode (Use with LG01/LG02)
1511 1511  
1512 1512  123456   Enter Password to have AT access.
... ... @@ -1545,10 +1545,11 @@
1545 1545  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1546 1546  
1547 1547  
1548 -1.
1549 -11.
1595 +1.
1596 +11.
1550 1550  111. Change to Class A
1551 1551  
1599 +
1552 1552  If sensor JOINED
1553 1553  
1554 1554  AT+CLASS=A
... ... @@ -1561,7 +1561,8 @@
1561 1561  
1562 1562  1. FAQ
1563 1563  
1564 -1.
1612 +
1613 +1.
1565 1565  11. How to upgrade the image?
1566 1566  
1567 1567  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1570,6 +1570,7 @@
1570 1570  * For bug fix
1571 1571  * Change LoRaWAN bands.
1572 1572  
1622 +
1573 1573  Below shows the hardware connection for how to upload an image to the LT:
1574 1574  
1575 1575  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1614,13 +1614,13 @@
1614 1614  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1615 1615  
1616 1616  
1617 -1.
1667 +1.
1618 1618  11. How to change the LoRa Frequency Bands/Region?
1619 1619  
1620 1620  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1621 1621  
1622 1622  
1623 -1.
1673 +1.
1624 1624  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1625 1625  
1626 1626  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1663,7 +1663,7 @@
1663 1663  
1664 1664  
1665 1665  
1666 -1.
1716 +1.
1667 1667  11. Can I see counting event in Serial?
1668 1668  
1669 1669  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
... ... @@ -1679,7 +1679,7 @@
1679 1679  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1680 1680  
1681 1681  
1682 -1.
1732 +1.
1683 1683  11. Have trouble to upload image.
1684 1684  
1685 1685  See this link for trouble shooting:
... ... @@ -1687,7 +1687,7 @@
1687 1687  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1688 1688  
1689 1689  
1690 -1.
1740 +1.
1691 1691  11. Why I can’t join TTN in US915 /AU915 bands?
1692 1692  
1693 1693  It might be about the channels mapping. Please see this link for detail:
... ... @@ -1699,6 +1699,7 @@
1699 1699  
1700 1700  1. Order Info
1701 1701  
1752 +
1702 1702  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1703 1703  
1704 1704  **XXX:**
... ... @@ -1713,6 +1713,7 @@
1713 1713  * **IN865**: LT with frequency bands IN865
1714 1714  * **CN779**: LT with frequency bands CN779
1715 1715  
1767 +
1716 1716  1. Packing Info
1717 1717  
1718 1718  **Package Includes**:
... ... @@ -1722,6 +1722,7 @@
1722 1722  * Bracket for controller x1
1723 1723  * Program cable x 1
1724 1724  
1777 +
1725 1725  **Dimension and weight**:
1726 1726  
1727 1727  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1729,6 +1729,7 @@
1729 1729  * Package Size / pcs : 14.5 x 8 x 5 cm
1730 1730  * Weight / pcs : 170g
1731 1731  
1785 +
1732 1732  1. Support
1733 1733  
1734 1734  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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