Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 57.1 >
edited by Xiaoling
on 2022/05/24 10:12
To version < 68.10 >
edited by Xiaoling
on 2022/05/25 15:01
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -45,44 +45,114 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 +(((
48 48  **Hardware System:**
50 +)))
49 49  
50 -* STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
52 -* Power Consumption:
53 -** Idle: 4mA@12v
54 -** 20dB Transmit: 34mA@12v
52 +* (((
53 +STM32L072CZT6 MCU
54 +)))
55 +* (((
56 +SX1276/78 Wireless Chip 
57 +)))
58 +* (((
59 +(((
60 +Power Consumption:
61 +)))
55 55  
63 +* (((
64 +Idle: 4mA@12v
65 +)))
66 +* (((
67 +20dB Transmit: 34mA@12v
68 +)))
69 +)))
70 +
71 +(((
56 56  **Interface for Model: LT22222-L:**
73 +)))
57 57  
58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 -* 2 x Relay Output (5A@250VAC / 30VDC)
61 -* 2 x 0~~20mA Analog Input (res:0.01mA)
62 -* 2 x 0~~30V Analog Input (res:0.01v)
63 -* Power Input 7~~ 24V DC. 
75 +* (((
76 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 +)))
78 +* (((
79 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 +)))
81 +* (((
82 +2 x Relay Output (5A@250VAC / 30VDC)
83 +)))
84 +* (((
85 +2 x 0~~20mA Analog Input (res:0.01mA)
86 +)))
87 +* (((
88 +2 x 0~~30V Analog Input (res:0.01v)
89 +)))
90 +* (((
91 +Power Input 7~~ 24V DC. 
92 +)))
64 64  
94 +(((
65 65  **LoRa Spec:**
96 +)))
66 66  
67 -* Frequency Range:
68 -** Band 1 (HF): 862 ~~ 1020 Mhz
69 -** Band 2 (LF): 410 ~~ 528 Mhz
70 -* 168 dB maximum link budget.
71 -* +20 dBm - 100 mW constant RF output vs.
72 -* +14 dBm high efficiency PA.
73 -* Programmable bit rate up to 300 kbps.
74 -* High sensitivity: down to -148 dBm.
75 -* Bullet-proof front end: IIP3 = -12.5 dBm.
76 -* Excellent blocking immunity.
77 -* Low RX current of 10.3 mA, 200 nA register retention.
78 -* Fully integrated synthesizer with a resolution of 61 Hz.
79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 -* Built-in bit synchronizer for clock recovery.
81 -* Preamble detection.
82 -* 127 dB Dynamic Range RSSI.
83 -* Automatic RF Sense and CAD with ultra-fast AFC.
84 -* Packet engine up to 256 bytes with CRC.
98 +* (((
99 +(((
100 +Frequency Range:
101 +)))
85 85  
103 +* (((
104 +Band 1 (HF): 862 ~~ 1020 Mhz
105 +)))
106 +* (((
107 +Band 2 (LF): 410 ~~ 528 Mhz
108 +)))
109 +)))
110 +* (((
111 +168 dB maximum link budget.
112 +)))
113 +* (((
114 ++20 dBm - 100 mW constant RF output vs.
115 +)))
116 +* (((
117 ++14 dBm high efficiency PA.
118 +)))
119 +* (((
120 +Programmable bit rate up to 300 kbps.
121 +)))
122 +* (((
123 +High sensitivity: down to -148 dBm.
124 +)))
125 +* (((
126 +Bullet-proof front end: IIP3 = -12.5 dBm.
127 +)))
128 +* (((
129 +Excellent blocking immunity.
130 +)))
131 +* (((
132 +Low RX current of 10.3 mA, 200 nA register retention.
133 +)))
134 +* (((
135 +Fully integrated synthesizer with a resolution of 61 Hz.
136 +)))
137 +* (((
138 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 +)))
140 +* (((
141 +Built-in bit synchronizer for clock recovery.
142 +)))
143 +* (((
144 +Preamble detection.
145 +)))
146 +* (((
147 +127 dB Dynamic Range RSSI.
148 +)))
149 +* (((
150 +Automatic RF Sense and CAD with ultra-fast AFC.
151 +)))
152 +* (((
153 +Packet engine up to 256 bytes with CRC.
154 +)))
155 +
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol
... ... @@ -129,17 +129,22 @@
129 129  
130 130  == 3.1 How it works? ==
131 131  
202 +(((
132 132  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. 
204 +)))
133 133  
134 -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>>path:#AT_Command]] to set the keys in the devices.
206 +(((
207 +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.
208 +)))
135 135  
136 -3.2 Example to join LoRaWAN network
210 +== 3.2 Example to join LoRaWAN network ==
137 137  
212 +(((
138 138  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. 
214 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
142 -
143 143  (((
144 144  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:
145 145  )))
... ... @@ -235,7 +235,9 @@
235 235  
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
313 +(((
238 238  Total : 11 bytes payload
315 +)))
239 239  
240 240  [[image:image-20220523180452-3.png]]
241 241  
... ... @@ -249,53 +249,77 @@
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
329 +(((
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
331 +)))
253 253  
333 +(((
254 254  **To use counting mode, please run:**
335 +)))
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
339 +(((
258 258  **AT+MOD=2**
259 259  )))
342 +)))
260 260  
261 261  (% class="box infomessage" %)
262 262  (((
346 +(((
263 263  **ATZ**
264 264  )))
349 +)))
265 265  
351 +(((
266 266  (% style="color:#4f81bd" %)**AT Commands for counting:**
353 +)))
267 267  
355 +(((
268 268  **For LT22222-L:**
357 +)))
269 269  
270 270  (% class="box infomessage" %)
271 271  (((
361 +(((
272 272  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 273  )))
364 +)))
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
368 +(((
277 277  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 278  )))
371 +)))
279 279  
280 280  (% class="box infomessage" %)
281 281  (((
375 +(((
282 282  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 283  )))
378 +)))
284 284  
285 285  (% class="box infomessage" %)
286 286  (((
382 +(((
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
385 +)))
289 289  
290 290  (% class="box infomessage" %)
291 291  (((
389 +(((
292 292  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 293  )))
392 +)))
294 294  
295 295  (% class="box infomessage" %)
296 296  (((
396 +(((
297 297  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 298  )))
399 +)))
299 299  
300 300  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301 301  
... ... @@ -313,21 +313,31 @@
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
417 +(((
316 316  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
419 +)))
317 317  
421 +(((
318 318  **To use counting mode, please run:**
423 +)))
319 319  
320 320  (% class="box infomessage" %)
321 321  (((
427 +(((
322 322  **AT+MOD=3**
323 323  )))
430 +)))
324 324  
325 325  (% class="box infomessage" %)
326 326  (((
434 +(((
327 327  **ATZ**
328 328  )))
437 +)))
329 329  
330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
439 +(((
440 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
441 +)))
331 331  
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
... ... @@ -347,44 +347,67 @@
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
461 +(((
350 350  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
463 +)))
351 351  
465 +(((
352 352  **To use this mode, please run:**
467 +)))
353 353  
354 354  (% class="box infomessage" %)
355 355  (((
471 +(((
356 356  **AT+MOD=4**
357 357  )))
474 +)))
358 358  
359 359  (% class="box infomessage" %)
360 360  (((
478 +(((
361 361  **ATZ**
362 362  )))
481 +)))
363 363  
483 +(((
484 +
485 +)))
364 364  
365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
487 +(((
488 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
489 +)))
366 366  
491 +(((
367 367  **Plus below command for AVI1 Counting:**
493 +)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
497 +(((
371 371  **AT+SETCNT=3,60   (set AVI Count to 60)**
372 372  )))
500 +)))
373 373  
374 374  (% class="box infomessage" %)
375 375  (((
504 +(((
376 376  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 377  )))
507 +)))
378 378  
379 379  (% class="box infomessage" %)
380 380  (((
511 +(((
381 381  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 382  )))
514 +)))
383 383  
384 384  (% class="box infomessage" %)
385 385  (((
518 +(((
386 386  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 387  )))
521 +)))
388 388  
389 389  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
... ... @@ -398,23 +398,35 @@
398 398  
399 399  * RO is for relay. ROx=1 : close，ROx=0 always open.
400 400  * FIRST: Indicate this is the first packet after join network.
401 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
535 +* (((
536 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
537 +)))
402 402  
539 +(((
403 403  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
541 +)))
404 404  
543 +(((
405 405  **To use this mode, please run:**
545 +)))
406 406  
407 407  (% class="box infomessage" %)
408 408  (((
549 +(((
409 409  **AT+MOD=5**
410 410  )))
552 +)))
411 411  
412 412  (% class="box infomessage" %)
413 413  (((
556 +(((
414 414  **ATZ**
415 415  )))
559 +)))
416 416  
417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
561 +(((
562 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
563 +)))
418 418  
419 419  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 -Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
612 +Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467 467  
468 468  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469 469  
... ... @@ -483,7 +483,7 @@
483 483  
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 -Example2: AA 02 01 00
632 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -556,7 +556,7 @@
556 556  
557 557  === 3.4.1 Common Commands ===
558 558  
559 -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: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
560 560  
561 561  === 3.4.2 Sensor related commands ===
562 562  
... ... @@ -822,8 +822,10 @@
822 822  
823 823  (% class="box infomessage" %)
824 824  (((
971 +(((
825 825  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826 826  )))
974 +)))
827 827  
828 828  This is to control the digital output time of DO pin. Include four bytes:
829 829  
... ... @@ -1026,24 +1026,29 @@
1026 1026  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1027 1027  )))
1028 1028  
1177 +(((
1029 1029  range: aa bb cc:0 to 16777215,  (unit:second)
1179 +)))
1030 1030  
1031 1031  == 3.5 Integrate with Mydevice ==
1032 1032  
1033 1033  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:
1034 1034  
1185 +(((
1035 1035  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1187 +)))
1036 1036  
1189 +(((
1037 1037  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1191 +)))
1038 1038  
1039 1039  [[image:1653356737703-362.png||height="232" width="732"]]
1040 1040  
1041 1041  [[image:image-20220524094641-11.png||height="390" width="723"]]
1042 1042  
1043 -
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -**Step **3: Create an account or log in Mydevices.
1199 +**Step 3**: Create an account or log in Mydevices.
1047 1047  
1048 1048  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1049 1049  
... ... @@ -1053,7 +1053,6 @@
1053 1053  
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 -
1057 1057  [[image:image-20220524094909-1.png||height="335" width="729"]]
1058 1058  
1059 1059  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1064,10 +1064,6 @@
1064 1064  
1065 1065  [[image:image-20220524094909-5.png||height="341" width="734"]]
1066 1066  
1067 -
1068 -
1069 -
1070 -
1071 1071  == 3.6 Interface Detail ==
1072 1072  
1073 1073  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1083,8 +1083,10 @@
1083 1083  )))
1084 1084  
1085 1085  (((
1234 +(((
1086 1086  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
1087 1087  )))
1237 +)))
1088 1088  
1089 1089  [[image:1653357170703-587.png]]
1090 1090  
... ... @@ -1102,7 +1102,7 @@
1102 1102  
1103 1103  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1104 1104  
1105 - //IF// = DI1+ / 1K.
1255 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1106 1106  
1107 1107  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1108 1108  
... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1269 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1120 1120  
1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1271 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,9 +1130,9 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1283 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1134 1134  
1135 -If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %) [[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1285 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1136 1136  
1137 1137  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138 1138  
... ... @@ -1173,12 +1173,10 @@
1173 1173  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:
1174 1174  )))
1175 1175  
1176 -
1177 1177  [[image:image-20220524100215-9.png]]
1178 1178  
1179 1179  [[image:image-20220524100215-10.png||height="382" width="723"]]
1180 1180  
1181 -
1182 1182  == 3.7 LEDs Indicators ==
1183 1183  
1184 1184  [[image:image-20220524100748-11.png]]
... ... @@ -1189,360 +1189,596 @@
1189 1189  
1190 1190  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.
1191 1191  
1192 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1340 +[[image:1653358238933-385.png]]
1193 1193  
1342 +(((
1343 +In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1344 +)))
1194 1194  
1195 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1346 +[[image:1653358355238-883.png]]
1196 1196  
1197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 -
1199 -
1348 +(((
1200 1200  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1350 +)))
1201 1201  
1352 +(((
1202 1202  AT+<CMD>?        : Help on <CMD>
1354 +)))
1203 1203  
1356 +(((
1204 1204  AT+<CMD>         : Run <CMD>
1358 +)))
1205 1205  
1360 +(((
1206 1206  AT+<CMD>=<value> : Set the value
1362 +)))
1207 1207  
1364 +(((
1208 1208  AT+<CMD>=?       : Get the value
1366 +)))
1209 1209  
1368 +(((
1210 1210  ATZ: Trig a reset of the MCU
1370 +)))
1211 1211  
1372 +(((
1212 1212  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1374 +)))
1213 1213  
1376 +(((
1214 1214  AT+DEUI: Get or Set the Device EUI
1378 +)))
1215 1215  
1380 +(((
1216 1216  AT+DADDR: Get or Set the Device Address
1382 +)))
1217 1217  
1384 +(((
1218 1218  AT+APPKEY: Get or Set the Application Key
1386 +)))
1219 1219  
1388 +(((
1220 1220  AT+NWKSKEY: Get or Set the Network Session Key
1390 +)))
1221 1221  
1392 +(((
1222 1222  AT+APPSKEY: Get or Set the Application Session Key
1394 +)))
1223 1223  
1396 +(((
1224 1224  AT+APPEUI: Get or Set the Application EUI
1398 +)))
1225 1225  
1400 +(((
1226 1226  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1402 +)))
1227 1227  
1404 +(((
1228 1228  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1406 +)))
1229 1229  
1408 +(((
1230 1230  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1410 +)))
1231 1231  
1412 +(((
1232 1232  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1414 +)))
1233 1233  
1416 +(((
1234 1234  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1418 +)))
1235 1235  
1420 +(((
1236 1236  AT+RX2FQ: Get or Set the Rx2 window frequency
1422 +)))
1237 1237  
1424 +(((
1238 1238  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1426 +)))
1239 1239  
1428 +(((
1240 1240  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1430 +)))
1241 1241  
1432 +(((
1242 1242  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1434 +)))
1243 1243  
1436 +(((
1244 1244  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1438 +)))
1245 1245  
1440 +(((
1246 1246  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1442 +)))
1247 1247  
1444 +(((
1248 1248  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1446 +)))
1249 1249  
1448 +(((
1250 1250  AT+NWKID: Get or Set the Network ID
1450 +)))
1251 1251  
1452 +(((
1252 1252  AT+FCU: Get or Set the Frame Counter Uplink
1454 +)))
1253 1253  
1456 +(((
1254 1254  AT+FCD: Get or Set the Frame Counter Downlink
1458 +)))
1255 1255  
1460 +(((
1256 1256  AT+CLASS: Get or Set the Device Class
1462 +)))
1257 1257  
1464 +(((
1258 1258  AT+JOIN: Join network
1466 +)))
1259 1259  
1468 +(((
1260 1260  AT+NJS: Get OTAA Join Status
1470 +)))
1261 1261  
1472 +(((
1262 1262  AT+SENDB: Send hexadecimal data along with the application port
1474 +)))
1263 1263  
1476 +(((
1264 1264  AT+SEND: Send text data along with the application port
1478 +)))
1265 1265  
1480 +(((
1266 1266  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1482 +)))
1267 1267  
1484 +(((
1268 1268  AT+RECV: Print last received data in raw format
1486 +)))
1269 1269  
1488 +(((
1270 1270  AT+VER: Get current image version and Frequency Band
1490 +)))
1271 1271  
1492 +(((
1272 1272  AT+CFM: Get or Set the confirmation mode (0-1)
1494 +)))
1273 1273  
1496 +(((
1274 1274  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1498 +)))
1275 1275  
1500 +(((
1276 1276  AT+SNR: Get the SNR of the last received packet
1502 +)))
1277 1277  
1504 +(((
1278 1278  AT+RSSI: Get the RSSI of the last received packet
1506 +)))
1279 1279  
1508 +(((
1280 1280  AT+TDC: Get or set the application data transmission interval in ms
1510 +)))
1281 1281  
1512 +(((
1282 1282  AT+PORT: Get or set the application port
1514 +)))
1283 1283  
1516 +(((
1284 1284  AT+DISAT: Disable AT commands
1518 +)))
1285 1285  
1520 +(((
1286 1286  AT+PWORD: Set password, max 9 digits
1522 +)))
1287 1287  
1524 +(((
1288 1288  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1526 +)))
1289 1289  
1528 +(((
1290 1290  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1530 +)))
1291 1291  
1532 +(((
1292 1292  AT+CFG: Print all settings
1534 +)))
1293 1293  
1536 +== 4.2 Common AT Command Sequence ==
1294 1294  
1538 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1295 1295  
1296 -1.
1297 -11. Common AT Command Sequence
1298 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 -
1540 +(((
1300 1300  If device has not joined network yet:
1542 +)))
1301 1301  
1302 -123456
1544 +(((
1545 +(% style="background-color:#dcdcdc" %)123456
1546 +)))
1303 1303  
1304 -AT+FDR
1548 +(((
1549 +(% style="background-color:#dcdcdc" %)AT+FDR
1550 +)))
1305 1305  
1306 -123456
1552 +(((
1553 +(% style="background-color:#dcdcdc" %)123456
1554 +)))
1307 1307  
1308 -AT+NJM=0
1556 +(((
1557 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1558 +)))
1309 1309  
1310 -ATZ
1560 +(((
1561 +(% style="background-color:#dcdcdc" %)ATZ
1562 +)))
1311 1311  
1312 1312  
1565 +(((
1313 1313  If device already joined network:
1567 +)))
1314 1314  
1315 -AT+NJM=0
1569 +(((
1570 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1571 +)))
1316 1316  
1317 -ATZ
1573 +(((
1574 +(% style="background-color:#dcdcdc" %)ATZ
1575 +)))
1318 1318  
1319 -1.
1320 -11.
1321 -111. Single-channel ABP mode (Use with LG01/LG02)
1577 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1322 1322  
1323 -123456   Enter Password to have AT access.
1579 +(((
1580 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1581 +)))
1324 1324  
1325 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1583 +(((
1584 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1585 +)))
1326 1326  
1327 -123456   Enter Password to have AT access.
1587 +(((
1588 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1589 +)))
1328 1328  
1329 -AT+CLASS=C Set to work in CLASS C
1591 +(((
1592 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1593 +)))
1330 1330  
1331 -AT+NJM=0 Set to ABP mode
1595 +(((
1596 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1597 +)))
1332 1332  
1333 -AT+ADR=0 Set the Adaptive Data Rate Off
1599 +(((
1600 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1601 +)))
1334 1334  
1335 -AT+DR=5  Set Data Rate
1603 +(((
1604 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1605 +)))
1336 1336  
1337 -AT+TDC=60000  Set transmit interval to 60 seconds
1607 +(((
1608 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1609 +)))
1338 1338  
1339 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1611 +(((
1612 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1613 +)))
1340 1340  
1341 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1615 +(((
1616 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1617 +)))
1342 1342  
1343 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1619 +(((
1620 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1621 +)))
1344 1344  
1345 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1623 +(((
1624 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1625 +)))
1346 1346  
1347 -ATZ          Reset MCU
1627 +(((
1628 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1629 +)))
1348 1348  
1349 -**Note:**
1631 +(((
1632 +(% style="color:red" %)**Note:**
1633 +)))
1350 1350  
1351 -1. Make sure the device is set to ABP mode in the IoT Server.
1352 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1353 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1354 -1. 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
1635 +(((
1636 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1637 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1638 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1639 +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
1640 +)))
1355 1355  
1356 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1642 +(((
1643 +[[image:1653359097980-169.png||height="188" width="729"]]
1644 +)))
1357 1357  
1646 +(((
1647 +
1648 +)))
1358 1358  
1359 -1.
1360 -11.
1361 -111. Change to Class A
1650 +=== 4.2.3 Change to Class A ===
1362 1362  
1363 1363  If sensor JOINED
1364 -
1365 -AT+CLASS=A
1366 -
1653 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1367 1367  ATZ
1368 1368  
1656 += 5. FAQ =
1369 1369  
1658 +== 5.1 How to upgrade the image? ==
1370 1370  
1371 -
1372 -
1373 -1. FAQ
1374 -
1375 -1.
1376 -11. How to upgrade the image?
1377 -
1378 1378  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1379 1379  
1380 1380  * Support new features
1381 1381  * For bug fix
1382 1382  * Change LoRaWAN bands.
1383 -
1384 1384  Below shows the hardware connection for how to upload an image to the LT:
1666 +* [[image:1653359603330-121.png]]
1385 1385  
1386 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1387 -
1388 -
1668 +(((
1389 1389  **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]].
1390 -
1391 1391  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1392 -
1393 1393  **Step3: **Open flashloader; choose the correct COM port to update.
1394 -
1395 -**For LT-33222-L**:
1396 -
1397 -Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1398 -
1399 1399  **For LT-22222-L**:
1400 -
1401 1401  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1402 -
1403 -
1404 -
1405 -|(((
1406 -Board detected
1407 1407  )))
1408 1408  
1409 -|(((
1410 -
1411 -)))
1676 + [[image:image-20220524103407-12.png]]
1412 1412  
1413 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1678 +[[image:image-20220524103429-13.png]]
1414 1414  
1680 +[[image:image-20220524104033-15.png]]
1415 1415  
1682 +(% 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:
1416 1416  
1417 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1684 +[[image:1653360054704-518.png||height="186" width="745"]]
1418 1418  
1686 +(((
1687 +(((
1688 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1689 +)))
1690 +)))
1419 1419  
1420 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1692 +(((
1693 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1694 +)))
1421 1421  
1696 +(((
1697 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1698 +)))
1422 1422  
1423 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1424 -
1425 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1426 -
1427 -
1428 -1.
1429 -11. How to change the LoRa Frequency Bands/Region?
1430 -
1431 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1432 -
1433 -
1434 -1.
1435 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1436 -
1700 +(((
1701 +(((
1437 1437  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1703 +)))
1704 +)))
1438 1438  
1706 +(((
1707 +(((
1439 1439  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1709 +)))
1710 +)))
1440 1440  
1712 +(((
1713 +(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1714 +)))
1441 1441  
1442 -**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1716 +(((
1717 +[[image:1653360231087-571.png||height="401" width="727"]]
1718 +)))
1443 1443  
1444 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1720 +(((
1721 +(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1722 +)))
1445 1445  
1446 -Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1724 +(((
1725 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1726 +)))
1447 1447  
1728 +(((
1729 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1730 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1731 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1732 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1733 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1734 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1735 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1736 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1737 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1738 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1739 +)))
1448 1448  
1449 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1741 +(((
1742 +As shown in below:
1743 +)))
1450 1450  
1451 -123456   Enter Password to have AT access.
1745 +[[image:1653360498588-932.png||height="485" width="726"]]
1452 1452  
1453 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1747 +== 5.4 Can I see counting event in Serial? ==
1454 1454  
1455 -123456   Enter Password to have AT access.
1749 +(((
1750 +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.
1751 +)))
1456 1456  
1457 -AT+NJM=0 Set to ABP mode
1753 +(((
1754 += 6. Trouble Shooting =
1755 +)))
1458 1458  
1459 -AT+ADR=0 Set the Adaptive Data Rate Off
1757 +(((
1758 +(((
1759 +== 6.1 Downlink doesn’t work, how to solve it? ==
1760 +)))
1761 +)))
1460 1460  
1461 -AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1763 +(((
1764 +Please see this link for how to debug: [[see how it work>>LoRaWAN_Communication_Debug||anchor="H5.1Howitwork:NO"]]
1462 1462  
1463 -AT+TDC=60000  Set transmit interval to 60 seconds
1766 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1464 1464  
1465 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1768 +
1769 +)))
1466 1466  
1467 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1771 +(((
1772 +== 6.2 Have trouble to upload image. ==
1773 +)))
1468 1468  
1469 -ATZ                Reset MCU
1775 +(((
1776 +See this link for trouble shooting:
1470 1470  
1471 -As shown in below:
1778 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1779 +)))
1472 1472  
1473 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1781 +(((
1782 +
1783 +)))
1474 1474  
1785 +(((
1786 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1787 +)))
1475 1475  
1789 +(((
1790 +It might be about the channels mapping. Please see this link for detail:
1476 1476  
1477 -1.
1478 -11. Can I see counting event in Serial?
1792 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1793 +)))
1479 1479  
1480 -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.
1795 +(((
1796 +
1797 +)))
1481 1481  
1799 +(((
1800 += 7. Order Info =
1801 +)))
1482 1482  
1803 +(((
1804 +(((
1805 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1806 +)))
1807 +)))
1483 1483  
1809 +(((
1810 +(((
1811 +(% style="color:#4f81bd" %)**XXX:**
1812 +)))
1813 +)))
1484 1484  
1485 -1. Trouble Shooting     
1486 -11. Downlink doesn’t work, how to solve it?
1815 +(((
1816 +* (((
1817 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1818 +)))
1819 +)))
1487 1487  
1488 -Please see this link for how to debug:
1821 +(((
1822 +* (((
1823 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1824 +)))
1825 +)))
1489 1489  
1490 -[[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]]
1827 +(((
1828 +* (((
1829 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1830 +)))
1831 +)))
1491 1491  
1833 +(((
1834 +* (((
1835 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1836 +)))
1837 +)))
1492 1492  
1493 -1.
1494 -11. Have trouble to upload image.
1839 +(((
1840 +* (((
1841 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1842 +)))
1843 +)))
1495 1495  
1496 -See this link for trouble shooting:
1845 +(((
1846 +* (((
1847 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1848 +)))
1849 +)))
1497 1497  
1498 -[[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]]
1851 +(((
1852 +* (((
1853 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1854 +)))
1855 +)))
1499 1499  
1857 +(((
1858 +* (((
1859 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1860 +)))
1861 +)))
1500 1500  
1501 -1.
1502 -11. Why I can’t join TTN in US915 /AU915 bands?
1863 +(((
1864 +* (((
1865 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1866 +)))
1503 1503  
1504 -It might be about the channels mapping. Please see this link for detail:
1868 += 8. Packing Info =
1869 +)))
1505 1505  
1506 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1507 -
1508 -
1509 -
1510 -
1511 -1. Order Info
1512 -
1513 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1514 -
1515 -**XXX:**
1516 -
1517 -* **EU433**: LT with frequency bands EU433
1518 -* **EU868**: LT with frequency bands EU868
1519 -* **KR920**: LT with frequency bands KR920
1520 -* **CN470**: LT with frequency bands CN470
1521 -* **AS923**: LT with frequency bands AS923
1522 -* **AU915**: LT with frequency bands AU915
1523 -* **US915**: LT with frequency bands US915
1524 -* **IN865**: LT with frequency bands IN865
1525 -* **CN779**: LT with frequency bands CN779
1526 -
1527 -1. Packing Info
1528 -
1871 +(((
1872 +(((
1529 1529  **Package Includes**:
1874 +)))
1875 +)))
1530 1530  
1531 -* LT I/O Controller x 1
1877 +(((
1878 +(((
1879 +* LT-22222-L I/O Controller x 1
1532 1532  * Stick Antenna for LoRa RF part x 1
1533 1533  * Bracket for controller x1
1534 1534  * Program cable x 1
1883 +)))
1884 +)))
1535 1535  
1886 +(((
1887 +(((
1536 1536  **Dimension and weight**:
1889 +)))
1890 +)))
1537 1537  
1892 +(((
1893 +(((
1538 1538  * Device Size: 13.5 x 7 x 3 cm
1539 1539  * Device Weight: 105g
1540 1540  * Package Size / pcs : 14.5 x 8 x 5 cm
1541 1541  * Weight / pcs : 170g
1898 +)))
1899 +)))
1542 1542  
1543 -1. Support
1901 +(((
1902 += 9. Support =
1903 +)))
1544 1544  
1545 -* 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.
1546 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1905 +* (((
1906 +(((
1907 +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.
1908 +)))
1909 +)))
1910 +* (((
1911 +(((
1912 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1913 +)))
1914 +)))
1547 1547  
1548 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1916 +(((
1917 +(((
1918 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1919 +)))
1920 +
1921 +(((
1922 += 10. Reference​​​​​ =
1923 +
1924 +* Product Page:
1925 +
1926 +LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
1927 +
1928 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1929 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1930 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1931 +)))
1932 +)))
1653359097980-169.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +158.9 KB
Content
1653359603330-121.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +598.0 KB
Content
1653360054704-518.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +84.7 KB
Content
1653360231087-571.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +94.8 KB
Content
1653360498588-932.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +93.9 KB
Content
image-20220524103407-12.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +66.5 KB
Content
image-20220524103429-13.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +127.2 KB
Content
image-20220524103652-14.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +88.6 KB
Content
image-20220524104033-15.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +83.7 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0