Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 20.1 >
edited by Xiaoling
on 2022/05/23 18:17
To version < 10.2 >
edited by Xiaoling
on 2022/05/23 17:27
>
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Summary

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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+.
... ... @@ -226,89 +226,112 @@
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  
261 -(% style="color:#4f81bd" %)**AT Commands for counting:**
262 262  
306 +AT Commands for counting:
307 +
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 -(% class="box infomessage" %)
286 -(((
287 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
288 -)))
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
293 -)))
328 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
294 294  
295 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
330 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
296 296  
332 +
333 +**For both LT22222-L & LT33222-L**:
334 +
335 +AT+CLRCOUNT clear all countings
336 +
337 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
338 +
339 +
340 +
341 +1.
342 +11.
343 +111. AT+MOD=3, Single DI Counting + 2 x ACI
344 +
345 +**LT33222-L**: This mode the DI3 is used as a counting pin.
346 +
297 297  **LT22222-L**: This mode the DI1 is used as a counting pin.
298 298  
299 -[[image:image-20220523181246-5.png]]
300 300  
301 -(((
302 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
303 -)))
350 +|Size(bytes)|4|2|2|1|1|1
351 +|Value|COUNT1|(((
352 +ACI1
304 304  
305 -[[image:image-20220523181301-6.png]]
354 +Current
355 +)))|(((
356 +ACI2
306 306  
358 +Current
359 +)))|DIDORO*|Reserve|MOD
360 +
361 +
362 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
363 +
364 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
365 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
366 +
307 307  * RO is for relay. ROx=1 : close，ROx=0 always open.
308 308  * FIRST: Indicate this is the first packet after join network.
309 309  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
310 310  
311 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
371 +Note: DO3 is not valid for LT-22222-L.
312 312  
313 313  
314 314  To use counting mode, please run:
... ... @@ -323,8 +323,8 @@
323 323  
324 324  
325 325  
326 -1.
327 -11.
386 +1.
387 +11.
328 328  111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
329 329  
330 330  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -335,7 +335,6 @@
335 335  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.
336 336  
337 337  
338 -(% border="1" style="background-color:#f7faff" %)
339 339  |Size(bytes)|4|4|1|1|1
340 340  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
341 341  Reserve
... ... @@ -343,9 +343,9 @@
343 343  
344 344  )))|MOD
345 345  
405 +
346 346  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 347  
348 -(% border="1" style="background-color:#f7faff" %)
349 349  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 350  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
351 351  
... ... @@ -378,16 +378,16 @@
378 378  
379 379  
380 380  
381 -1.
382 -11.
440 +1.
441 +11.
383 383  111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
384 384  
444 +
385 385  **LT33222-L**: This mode the DI3 is used as a counting pin.
386 386  
387 387  **LT22222-L**: This mode the DI1 is used as a counting pin.
388 388  
389 389  
390 -(% border="1" style="background-color:#f7faff" %)
391 391  |Size(bytes)|2|2|2|2|1|1|1
392 392  |Value|(((
393 393  AVI1
... ... @@ -407,9 +407,10 @@
407 407  
408 408  )))|MOD
409 409  
469 +
470 +
410 410  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
411 411  
412 -(% border="1" style="background-color:#f7faff" %)
413 413  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
414 414  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
415 415  
... ... @@ -433,10 +433,11 @@
433 433  
434 434  
435 435  
436 -1.
437 -11.
496 +1.
497 +11.
438 438  111. AT+ADDMOD=6. (Trigger Mode, Optional)
439 439  
500 +
440 440  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
441 441  
442 442  For example, if user has configured below commands:
... ... @@ -444,11 +444,13 @@
444 444  * AT+MOD=1   à The normal working mode
445 445  * AT+ADDMOD6=1    à Enable trigger
446 446  
508 +
447 447  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
448 448  
449 449  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
450 450  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.**
451 451  
514 +
452 452  **AT Command to set Trigger Condition**:
453 453  
454 454  **Trigger base on voltage**:
... ... @@ -519,7 +519,6 @@
519 519  
520 520  MOD6 Payload : total 11 bytes payload
521 521  
522 -(% border="1" style="background-color:#f7faff" %)
523 523  |Size(bytes)|1|1|1|6|1|1
524 524  |Value|(((
525 525  TRI_A
... ... @@ -539,9 +539,10 @@
539 539  (6)
540 540  )))
541 541  
604 +
605 +
542 542  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
543 543  
544 -(% border="1" style="background-color:#f7faff" %)
545 545  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
546 546  |(((
547 547  AV1_
... ... @@ -586,7 +586,6 @@
586 586  
587 587  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
588 588  
589 -(% border="1" style="background-color:#f7faff" %)
590 590  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
591 591  |(((
592 592  AV1_
... ... @@ -633,7 +633,6 @@
633 633  
634 634  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
635 635  
636 -(% border="1" style="background-color:#f7faff" %)
637 637  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
638 638  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
639 639  
... ... @@ -656,10 +656,11 @@
656 656  When device got this command, it will send the MOD6 payload.
657 657  
658 658  
659 -1.
660 -11.
720 +1.
721 +11.
661 661  111. Payload Decoder
662 662  
724 +
663 663  **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/]]
664 664  
665 665  
... ... @@ -668,7 +668,7 @@
668 668  
669 669  
670 670  
671 -1.
733 +1.
672 672  11. ​Configure LT via AT or Downlink
673 673  
674 674  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -679,17 +679,20 @@
679 679  
680 680  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
681 681  
682 -1.
683 -11.
744 +
745 +1.
746 +11.
684 684  111. Common Commands:
685 685  
749 +
686 686  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
687 687  
688 688  
689 -1.
690 -11.
753 +1.
754 +11.
691 691  111. Sensor related commands:
692 692  
757 +
693 693  ==== Set Transmit Interval ====
694 694  
695 695  Set device uplink interval.
... ... @@ -889,7 +889,6 @@
889 889  
890 890  01: Low,  00: High ,  11: No action
891 891  
892 -(% border="1" style="background-color:#f7faff" %)
893 893  |Downlink Code|DO1|DO2|DO3
894 894  |02  01  00  11|Low|High|No Action
895 895  |02  00  11  01|High|No Action|Low
... ... @@ -927,23 +927,22 @@
927 927  
928 928  **Third Byte**: Control Method and Ports status:
929 929  
930 -(% border="1" style="background-color:#f7faff" %)
931 931  |Second Byte|Status
932 932  |0x01|DO1 set to low
933 933  |0x00|DO1 set to high
934 934  |0x11|DO1 NO Action
935 935  
999 +
936 936  **Fourth Byte**: Control Method and Ports status:
937 937  
938 -(% border="1" style="background-color:#f7faff" %)
939 939  |Second Byte|Status
940 940  |0x01|DO2 set to low
941 941  |0x00|DO2 set to high
942 942  |0x11|DO2 NO Action
943 943  
1007 +
944 944  **Fifth Byte**: Control Method and Ports status:
945 945  
946 -(% border="1" style="background-color:#f7faff" %)
947 947  |Second Byte|Status
948 948  |0x01|DO3 set to low
949 949  |0x00|DO3 set to high
... ... @@ -996,7 +996,6 @@
996 996  
997 997  01: Close ,  00: Open , 11: No action
998 998  
999 -(% border="1" style="background-color:#f7faff" %)
1000 1000  |Downlink Code|RO1|RO2
1001 1001  |03  00  11|Open|No Action
1002 1002  |03  01  11|Close|No Action
... ... @@ -1034,7 +1034,6 @@
1034 1034  
1035 1035  **Third Byte(bb)**: Control Method and Ports status:
1036 1036  
1037 -(% border="1" style="background-color:#f7faff" %)
1038 1038  |Value|Status
1039 1039  |0x11|RO1 and RO2 to NO
1040 1040  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1045,6 +1045,7 @@
1045 1045  |0x02|RO1 to NC, RO2 No Action
1046 1046  |0x12|RO1 to NO, RO2 No Action
1047 1047  
1109 +
1048 1048  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1049 1049  
1050 1050  Device will upload a packet if downlink code executes successfully.
... ... @@ -1146,9 +1146,10 @@
1146 1146  
1147 1147  
1148 1148  
1149 -1.
1211 +1.
1150 1150  11. Integrate with Mydevice
1151 1151  
1214 +
1152 1152  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:
1153 1153  
1154 1154  
... ... @@ -1193,7 +1193,7 @@
1193 1193  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1194 1194  
1195 1195  
1196 -1.
1259 +1.
1197 1197  11. Interface Detail
1198 1198  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1199 1199  
... ... @@ -1203,8 +1203,8 @@
1203 1203  
1204 1204  
1205 1205  
1206 -1.
1207 -11.
1269 +1.
1270 +11.
1208 1208  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1209 1209  
1210 1210  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1246,7 +1246,7 @@
1246 1246  
1247 1247  **Example3**: Connect to a 220v high active sensor.公司测试一下
1248 1248  
1249 -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 
1250 1250  
1251 1251  * Connect sensor’s output to DI1+ with a serial 50K resistor
1252 1252  * Connect sensor’s GND DI1-.
... ... @@ -1258,8 +1258,8 @@
1258 1258  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.
1259 1259  
1260 1260  
1261 -1.
1262 -11.
1324 +1.
1325 +11.
1263 1263  111. Digital Output Port: DO1/DO2 /DO3
1264 1264  
1265 1265  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1269,8 +1269,8 @@
1269 1269  
1270 1270  
1271 1271  
1272 -1.
1273 -11.
1335 +1.
1336 +11.
1274 1274  111. Analog Input Interface
1275 1275  
1276 1276  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:
... ... @@ -1302,8 +1302,8 @@
1302 1302  
1303 1303  
1304 1304  
1305 -1.
1306 -11.
1368 +1.
1369 +11.
1307 1307  111. Relay Output
1308 1308  
1309 1309  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:
... ... @@ -1317,10 +1317,10 @@
1317 1317  
1318 1318  
1319 1319  
1320 -1.
1383 +1.
1321 1321  11. LEDs Indicators
1322 1322  
1323 -(% border="1" style="background-color:#f7faff" %)
1386 +
1324 1324  |**LEDs**|**Feature**
1325 1325  |**PWR**|Always on if there is power
1326 1326  |**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.
... ... @@ -1354,6 +1354,9 @@
1354 1354  |**RO1**|
1355 1355  |**RO2**|
1356 1356  
1420 +
1421 +
1422 +
1357 1357  1. Use AT Command
1358 1358  11. Access AT Command
1359 1359  
... ... @@ -1463,7 +1463,7 @@
1463 1463  
1464 1464  
1465 1465  
1466 -1.
1532 +1.
1467 1467  11. Common AT Command Sequence
1468 1468  111. Multi-channel ABP mode (Use with SX1301/LG308)
1469 1469  
... ... @@ -1486,8 +1486,8 @@
1486 1486  
1487 1487  ATZ
1488 1488  
1489 -1.
1490 -11.
1555 +1.
1556 +11.
1491 1491  111. Single-channel ABP mode (Use with LG01/LG02)
1492 1492  
1493 1493  123456   Enter Password to have AT access.
... ... @@ -1526,10 +1526,11 @@
1526 1526  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1527 1527  
1528 1528  
1529 -1.
1530 -11.
1595 +1.
1596 +11.
1531 1531  111. Change to Class A
1532 1532  
1599 +
1533 1533  If sensor JOINED
1534 1534  
1535 1535  AT+CLASS=A
... ... @@ -1542,7 +1542,8 @@
1542 1542  
1543 1543  1. FAQ
1544 1544  
1545 -1.
1612 +
1613 +1.
1546 1546  11. How to upgrade the image?
1547 1547  
1548 1548  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1551,6 +1551,7 @@
1551 1551  * For bug fix
1552 1552  * Change LoRaWAN bands.
1553 1553  
1622 +
1554 1554  Below shows the hardware connection for how to upload an image to the LT:
1555 1555  
1556 1556  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1595,13 +1595,13 @@
1595 1595  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1596 1596  
1597 1597  
1598 -1.
1667 +1.
1599 1599  11. How to change the LoRa Frequency Bands/Region?
1600 1600  
1601 1601  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1602 1602  
1603 1603  
1604 -1.
1673 +1.
1605 1605  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1606 1606  
1607 1607  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1644,7 +1644,7 @@
1644 1644  
1645 1645  
1646 1646  
1647 -1.
1716 +1.
1648 1648  11. Can I see counting event in Serial?
1649 1649  
1650 1650  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.
... ... @@ -1660,7 +1660,7 @@
1660 1660  [[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]]
1661 1661  
1662 1662  
1663 -1.
1732 +1.
1664 1664  11. Have trouble to upload image.
1665 1665  
1666 1666  See this link for trouble shooting:
... ... @@ -1668,7 +1668,7 @@
1668 1668  [[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]]
1669 1669  
1670 1670  
1671 -1.
1740 +1.
1672 1672  11. Why I can’t join TTN in US915 /AU915 bands?
1673 1673  
1674 1674  It might be about the channels mapping. Please see this link for detail:
... ... @@ -1680,6 +1680,7 @@
1680 1680  
1681 1681  1. Order Info
1682 1682  
1752 +
1683 1683  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1684 1684  
1685 1685  **XXX:**
... ... @@ -1694,6 +1694,7 @@
1694 1694  * **IN865**: LT with frequency bands IN865
1695 1695  * **CN779**: LT with frequency bands CN779
1696 1696  
1767 +
1697 1697  1. Packing Info
1698 1698  
1699 1699  **Package Includes**:
... ... @@ -1703,6 +1703,7 @@
1703 1703  * Bracket for controller x1
1704 1704  * Program cable x 1
1705 1705  
1777 +
1706 1706  **Dimension and weight**:
1707 1707  
1708 1708  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1710,6 +1710,7 @@
1710 1710  * Package Size / pcs : 14.5 x 8 x 5 cm
1711 1711  * Weight / pcs : 170g
1712 1712  
1785 +
1713 1713  1. Support
1714 1714  
1715 1715  * 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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