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Version 176.1 by Bei Jinggeng on 2025/06/13 15:49
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3 [[image:image-20240103165259-3.png||data-xwiki-image-style-alignment="center" height="433" width="591"]]
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11 **Table of Contents:**
12
13 {{toc/}}
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27 = 1. Introduction =
28
29 == 1.1 ​What is SDI-12 to LoRaWAN Converter ==
30
31
32 (((
33 The Dragino (% style="color:blue" %)**SDI-12-LB/LS**(%%) is a (% style="color:blue" %)**SDI-12 to LoRaWAN Converter **(%%)designed for Smart Agriculture solution.
34 )))
35
36 (((
37 SDI-12 (Serial Digital Interface at 1200 baud) is an asynchronous [[serial communications>>url:https://en.wikipedia.org/wiki/Serial_communication]] protocol for intelligent sensors that monitor environment data. SDI-12 protocol is widely used in Agriculture sensor and Weather Station sensors.
38 )))
39
40 (((
41 SDI-12-LB/LS has SDI-12 interface and support 12v output to power external SDI-12 sensor. It can get the environment data from SDI-12 sensor and sends out the data via LoRaWAN wireless protocol.
42 )))
43
44 (((
45 The LoRa wireless technology used in SDI-12-LB/LS allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
46 )))
47
48 (((
49 SDI-12-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%) or (% style="color:blue" %)**solar powered + Li-ion battery,**(%%) it is designed for long term use up to 5 years.
50 )))
51
52 (((
53 Each SDI-12-LB/LS is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
54 )))
55
56
57 == ​1.2 Features ==
58
59
60 * LoRaWAN 1.0.3 Class A
61 * Ultra-low power consumption
62 * Controllable 3.3v, 5v and 12v output to power external sensor
63 * SDI-12 Protocol to connect to SDI-12 Sensor
64 * Monitor Battery Level
65 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
66 * Support Bluetooth v5.1 and LoRaWAN remote configure.
67 * Support wireless OTA update firmware
68 * Uplink on periodically
69 * Downlink to change configure
70 * 8500mAh Li/SOCl2 Battery (SDI-12-LB)
71 * Solar panel + 3000mAh Li-ion battery (SDI-12-LS)
72
73 == 1.3 Specification ==
74
75
76 (% style="color:#037691" %)**Micro Controller:**
77
78 * MCU: 48Mhz ARM
79 * Flash: 256KB
80 * RAM: 64KB
81
82 (% style="color:#037691" %)**Common DC Characteristics:**
83
84 * Supply Voltage: Built-in Battery, 2.5v ~~ 3.6v
85 * Support current: 5V 300mA, 12V 100mA
86 * Operating Temperature: -40 ~~ 85°C
87
88 (% style="color:#037691" %)**LoRa Spec:**
89
90 * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
91 * Max +22 dBm constant RF output vs.
92 * RX sensitivity: down to -139 dBm.
93 * Excellent blocking immunity
94
95 (% style="color:#037691" %)**Current Input Measuring :**
96
97 * Range: 0 ~~ 20mA
98 * Accuracy: 0.02mA
99 * Resolution: 0.001mA
100
101 (% style="color:#037691" %)**Voltage Input Measuring:**
102
103 * Range: 0 ~~ 30v
104 * Accuracy: 0.02v
105 * Resolution: 0.001v
106
107 (% style="color:#037691" %)**Battery:**
108
109 * Li/SOCI2 un-chargeable battery
110 * Capacity: 8500mAh
111 * Self-Discharge: <1% / Year @ 25°C
112 * Max continuously current: 130mA
113 * Max boost current: 2A, 1 second
114
115 (% style="color:#037691" %)**Power Consumption**
116
117 * Sleep Mode: 5uA @ 3.3v
118 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
119
120 == 1.4 Connect to SDI-12 Sensor ==
121
122
123 [[image:1675212538524-889.png||_mstalt="298272"]]
124
125
126 == 1.5 Sleep mode and working mode ==
127
128
129 (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
130
131 (% style="color:blue" %)**Working Mode: **(%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
132
133
134 == 1.6 Button & LEDs ==
135
136
137 [[image:image-20250416151419-4.jpeg]]
138
139 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
140 |=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 226px;background-color:#4F81BD;color:white" %)**Action**
141 |[[image:1749523850351-927.png]] 1~~3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
142 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
143 Meanwhile, BLE module will be active and user can connect via BLE to configure device.
144 )))
145 |[[image:1749523852387-583.png]] >3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
146 (% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
147 (% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
148 Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
149 )))
150 |[[image:1749523825515-716.png]] x5|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means SDI-12-LB/LS is in Deep Sleep Mode.
151
152 == 1.7 Pin Mapping ==
153
154
155 [[image:1675213198663-754.png||_mstalt="297167"]]
156
157
158 == 1.8 BLE connection ==
159
160
161 SDI-12-LB/LS support BLE remote configure.
162
163 BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
164
165 * Press button to send an uplink
166 * Press button to active device.
167 * Device Power on or reset.
168
169 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
170
171
172 == 1.9 Mechanical ==
173
174 === 1.9.1 for LB version ===
175
176
177 [[image:image-20250416151406-3.jpeg]]
178
179
180 === 1.9.2 for LS version ===
181
182
183 [[image:image-20250329133856-1.jpeg]]
184
185
186 = 2. Configure SDI-12 to connect to LoRaWAN network =
187
188 == 2.1 How it works ==
189
190
191 The SDI-12-LB/LS is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the SDI-12-LB/LS. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
192
193
194 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
195
196
197 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
198
199 [[image:image-20250416151346-2.png]]
200
201
202 The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
203
204
205 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from SDI-12-LB/LS.
206
207 Each SDI-12-LB/LS is shipped with a sticker with the default device EUI as below:
208
209 [[image:image-20230426084456-1.png||height="241" width="519"]]
210
211
212 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
213
214 **Create the application.**
215
216 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SAC01L_LoRaWAN_Temperature%26Humidity_Sensor_User_Manual/WebHome/image-20250423093843-1.png?width=756&height=264&rev=1.1||alt="image-20250423093843-1.png"]]
217
218 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111305-2.png?width=1000&height=572&rev=1.1||alt="image-20240907111305-2.png"]]
219
220
221 **Add devices to the created Application.**
222
223 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111659-3.png?width=977&height=185&rev=1.1||alt="image-20240907111659-3.png"]]
224
225 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111820-5.png?width=975&height=377&rev=1.1||alt="image-20240907111820-5.png"]]
226
227
228 **Enter end device specifics manually.**
229
230 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112136-6.png?width=697&height=687&rev=1.1||alt="image-20240907112136-6.png"]]
231
232
233 **Add DevEUI and AppKey.**
234
235 **Customize a platform ID for the device.**
236
237 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112427-7.png?rev=1.1||alt="image-20240907112427-7.png"]]
238
239
240 (% style="color:blue" %)**Step 2: **(%%)Add decoder
241
242 While using TTN network, you can add the payload format to decode the payload.
243
244 There is no fix payload decoder in LoRaWAN server because the SDI-12 sensors returns are different. User need to write the decoder themselves for their case.
245
246 SDI-12-LB/LS TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
247
248 Below is TTN screen shot:
249
250 [[image:image-20241118165746-3.png||height="470" width="869"]]
251
252 [[image:image-20241118165832-4.png||height="336" width="724"]]
253
254
255 (% style="color:blue" %)**Step 3**(%%): Activate on SDI-12-LB/LS
256
257 Press the button for 5 seconds to activate the SDI-12-LB/LS.
258
259 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode** (%%)for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
260
261 [[image:1675213704414-644.png||_mstalt="293748"]]
262
263
264 == ​2.3 SDI-12 Related Commands ==
265
266
267 User need to configure SDI-12-LB/LS to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
268
269 If you use UART to connect a computer, refer to the following connection methods:
270
271 [[image:image-20240823165402-1.jpeg||height="488" width="678"]]
272
273 Screenshot example:
274
275 [[image:image-20240823165526-2.png||height="489" width="690"]]
276
277
278
279 === 2.3.1 Basic SDI-12 debug command ===
280
281
282 User can run some basic SDI-12 command to debug the connection to the SDI-12 sensor. These commands can be sent via AT Command or LoRaWAN downlink command.
283
284 If SDI-12 sensor return value after get these commands, //SDI-12-LB/LS// will uplink the return on FPORT=100, otherwise, if there is no response from SDI-12 sensor. //SDI-12-LB/LS// will uplink NULL (0x 4E 55 4C 4C) to server.
285
286 The following is the display information on the serial port and the server.
287
288
289 [[image:image-20230201091027-6.png||_mstalt="429065"]]
290
291
292 [[image:image-20230201091027-7.png||_mstalt="429429" height="261" width="1179"]]
293
294
295
296 ==== (% style="color:blue" %)**al!  ~-~- Get SDI-12 sensor Identification**(%%) ====
297
298
299 * AT Command: AT+ADDRI=aa
300 * LoRaWAN Downlink(prefix 0xAA00): AA 00 aa
301
302 (% style="color:#037691" %)**Parameter:  **(%%)aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
303
304 (% style="color:blue" %)**Example :   **(%%)AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
305
306
307 The following is the display information on the serial port and the server.
308
309
310 [[image:image-20230201091257-8.png||_mstalt="431392"]]
311
312
313 [[image:image-20230201091257-9.png||_mstalt="431756" height="225" width="1242"]]
314
315
316 ==== (% style="color:blue" %)**aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!**(%%) ====
317
318
319 (% style="color:red" %)**aM! **(%%): Start Non-Concurrent Measurement
320
321 (% style="color:red" %)**aMC! **(%%): Start Non-Concurrent Measurement – Request CRC
322
323 (% style="color:red" %)**aM1!- aM9! **(%%): Additional Measurements
324
325 (% style="color:red" %)**aMC1!- aMC9!**(%%) : Additional Measurements – Request CRC
326
327
328 * AT Command : AT+ADDRM=0,1,0,1
329
330 * LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
331
332 Downlink：AA 01 aa bb cc dd
333
334 (% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
335
336 (% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
337
338 (% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
339
340 (% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
341
342
343 The following is the display information on the serial port and the server.
344
345
346 [[image:image-20230201091630-10.png||_mstalt="449995"]]
347
348
349 [[image:image-20230201091630-11.png||_mstalt="450372" height="247" width="1165"]]
350
351
352
353 ==== (% style="color:blue" %)**aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! **(%%) ====
354
355
356 (% style="color:red" %)**aC!**(%%) : Start Concurrent Measurement
357
358 (% style="color:red" %)**aCC!** (%%): Start Concurrent Measurement – Request CRC
359
360 (% style="color:red" %)**aC1!- aC9!**(%%) : Start Additional Concurrent Measurements
361
362 (% style="color:red" %)**aCC1!- aCC9!**(%%) : Start Additional Concurrent Measurements – Request CRC
363
364
365 * AT Command : AT+ADDRC=0,1,0,1 
366
367 * LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
368
369 Downlink: AA 02 aa bb cc dd
370
371 (% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
372
373 (% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
374
375 (% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
376
377 (% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%)__ __to get return.
378
379
380 The following is the display information on the serial port and the server.
381
382
383 [[image:image-20230201091954-12.png||_mstalt="453687"]]
384
385
386 [[image:image-20230201091954-13.png||_mstalt="454064" height="203" width="1117"]]
387
388
389
390 ==== (% style="color:blue" %)**aR0!- aR9!,  aRC0!- aRC9!**(%%) ====
391
392
393 Start Continuous Measurement
394
395 Start Continuous Measurement – Request CRC
396
397
398 * AT Command : AT+ADDRR=0,1,0,1 
399 * LoRaWAN Downlink (0xAA 03): 0xAA 03 30 01 00 01
400
401 Downlink: AA 03 aa bb cc dd
402
403 (% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
404
405 (% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
406
407 (% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
408
409 (% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
410
411
412 The following is the display information on the serial port and the server.
413
414
415 [[image:image-20230201092208-14.png||_mstalt="452283"]]
416
417
418 [[image:image-20230201092208-15.png||_mstalt="452660" height="214" width="1140"]]
419
420
421 === 2.3.2 Advance SDI-12 Debug command ===
422
423
424 This command can be used to debug all SDI-12 command.
425
426
427 LoRaWAN Downlink: A8 aa xx xx xx xx bb cc dd
428
429 (% style="color:#037691" %)**aa **(%%): total SDI-12 command length
430
431 (% style="color:#037691" %)**xx **(%%): SDI-12 command
432
433 (% style="color:#037691" %)**bb **(%%): Delay to wait for return
434
435 (% style="color:#037691" %)**cc **(%%): 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
436
437 (% style="color:#037691" %)**dd: **(%%) 0: Do not use aD0! command access, 1: use aD0! command access.
438
439
440 (% style="color:blue" %)**Example1: **(%%) AT+CFGDEV =0RC0!,1
441
442 (% style="color:#037691" %)**0RC0! **(%%): SDI-12 Command,
443
444 (% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
445
446 Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
447
448
449 The following is the display information on the serial port and the server.
450
451
452 [[image:image-20230201092355-16.png||_mstalt="453960"]]
453
454
455 [[image:image-20230201092355-17.png||_mstalt="454337" height="426" width="1135"]]
456
457
458 (% style="color:blue" %)**Example2: **(%%) AT+CFGDEV =0M!,1,1
459
460 (% style="color:#037691" %)**0M! **(%%): SDI-12 Command,
461
462 (% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
463
464 (% style="color:#037691" %)**1 **(%%): Use aD0! command access.
465
466 Equal Downlink: 0xA8 03 30  4D 21 01 01 01
467
468
469 The following is the display information on the serial port and the server.
470
471
472 [[image:image-20230628091055-1.png||height="368" width="462"]]
473
474 [[image:image-20230628091130-2.png||height="258" width="879"]]
475
476
477 === 2.3.3 Convert ASCII to String ===
478
479
480 This command is used to convert between ASCII and String format.
481
482 AT+CONVFORM ( Max length: 80 bytes)
483
484
485 (% style="color:blue" %)**Example:**
486
487 1) AT+CONVFORM=0, string Convert String from String to ASCII
488
489 [[image:1675214845056-885.png||_mstalt="297622"]]
490
491
492 2) AT+CONVFORM=1, ASCII Convert ASCII to String.
493
494 [[image:1675214856590-846.png||_mstalt="297739"]]
495
496
497 === 2.3.4 Define periodically SDI-12 commands and uplink. ===
498
499
500 AT+COMMANDx & AT+DATACUTx**&AT+DATACONVx**
501
502 User can define max 15 SDI-12 Commands (AT+COMMAND1 ~~ AT+COMMANDF). On each uplink period (TDC time, default 20 minutes), SDI-12-LB/LS will send these SDI-12 commands and wait for return from SDI-12 sensors. SDI-12-LB/LS will then combine these returns and uplink via LoRaWAN.
503
504
505 * (% style="color:blue" %)**AT Command:**
506
507 (% style="color:#037691" %)**AT+COMMANDx=var1,var2,var3,var4.**
508
509 (% style="color:red" %)**var1**(%%): SDI-12 command , for example: 0RC0!
510
511 (% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
512
513 (% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//. (% style="color:red" %)**2: When set to 2, AT+ALDATAMOD=1 does not intercept data returned by the current COMMAND command.(since v1.3.0)**
514
515 (% style="color:red" %)**(Function set to 2: When the device is connected to more than two sensors with different sampling addresses, concurrent measurement can be used to reduce data acquisition time and save battery power; for example, when a device is connected to two sensors with different addresses, and both sensors are to use concurrent measurements, then both sensors can be measured at the same time without the second one having to wait until after the first one.)**
516
517 (% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB/LS will resend this command. Max 3 retries.
518
519 (% style="color:red" %)**0 **(%%) No validation check;
520
521 (% style="color:red" %)**1** (%%) Check if return chars are printable char(0x20 ~~ 0x7E);
522
523 (% style="color:red" %)**2**(%%)  Check if there is return from SDI-12 sensor
524
525 (% style="color:red" %)**3** (%%) Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
526
527
528 Each AT+COMMANDx is followed by a (% style="color:blue" %)**AT+DATACUT**(%%) command. AT+DATACUT command is used to take the useful string from the SDI-12 sensor so the final payload will have the minimum length to uplink.
529
530
531 (% style="color:blue" %)**AT+DATACUTx**(%%) : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
532
533 (% border="1" style="width:436px" %)
534 |(% style="background-color:#f2f2f2; width:433px" %)(((
535 (% style="color:#0070c0" %)**AT+DATACUTx=a,b,c**
536
537 **a**:  length for the return of AT+COMMAND
538
539 **b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
540
541 **c**:  define the position for valid value. 
542 )))
543
544 For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
545
546
547 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
548 |=(% style="width: 164px;background-color:#4F81BD;color:white" %)**AT+DATACUT1 value**|=(% style="width: 346px;background-color:#4F81BD;color:white" %)**Final Result to combine Payload**
549 |(% style="background-color:#f2f2f2; width:164px" %)34,1,1+2+3|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33
550 |(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~8+12~~16|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
551 |(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~34|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 20 20 20 54 45 52 31 32 20 31 31 32 54 31 32 2D 30 30 30 32 34 38 39 35 0D 0A
552
553 * (% style="color:blue" %)** Downlink Payload:**
554
555 (% style="color:blue" %)**0xAF**(%%)  downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
556
557
558 (% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
559
560
561 Format: ** (% style="color:#037691" %)AF MM NN LL XX XX XX XX YY(%%)**
562
563 Where:
564
565 * (% style="color:#037691" %)**MM **(%%): the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
566 * (% style="color:#037691" %)**NN **(%%):  1: set the AT+COMMAND value ; 2: set the AT+DATACUT value.
567 * (% style="color:#037691" %)**LL **(%%):  The length of AT+COMMAND or AT+DATACUT command
568 * (% style="color:#037691" %)**XX XX XX XX **(%%): AT+COMMAND or AT+DATACUT command
569 * (% style="color:#037691" %)**YY **(%%):  If YY=0, SDI-12-LB/LS will execute the downlink command without uplink; if YY=1, SDI-12-LB/LS will execute an uplink after got this command. 
570
571 (% style="color:blue" %)**Example:**
572
573 [[image:image-20230201094129-18.png||_mstalt="455065"]]
574
575
576
577 (% style="color:blue" %)**Clear SDI12 Command**
578
579 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
580
581
582 * (% style="color:#037691" %)**AT Command:**
583
584 (% style="color:#4f81bd" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
585
586
587 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
588
589
590 * (% style="color:#037691" %)**Downlink Payload:**
591
592 (% style="color:#4f81bd" %)**0x09 aa bb**(%%)  same as AT+CMDEAR=aa,bb
593
594
595
596 (% style="color:blue" %)**command combination**
597
598 Below shows a screen shot how the results combines together to a uplink payload.
599
600 [[image:1675215745275-920.png||_mstalt="295334"]]
601
602
603 If user don't want to use DATACUT for some command, he simply want to uplink all returns. AT+ALLDATAMOD can be set to 1.
604
605 (% style="color:blue" %)**AT+ALLDATAMOD**(%%) will simply get all return and don't do CRC check as result for SDI-12 command. AT+DATACUTx command has higher priority, if AT+DATACUTx has been set, AT+ALLDATAMOD will be ignore for this SDI-12 command.
606
607
608 (% style="color:#4f81bd" %)**For example: **(%%) as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
609
610
611 [[image:1675215782925-448.png||_mstalt="297466"]]
612
613
614 If AT+ALLDATAMOD=1, (% style="color:#4f81bd" %)**FX,X**(%%) will be added in the payload, FX specify which command is used and X specify the length of return. for example in above screen, F1 05 means the return is from AT+COMMAND1 and the return is 5 bytes.
615
616
617 (% style="color:blue" %)**Compose Uplink**
618
619 (% style="color:#4f81bd" %)**AT+DATAUP=0**
620
621 Compose the uplink payload with value returns in sequence and send with **__A SIGNLE UPLINK__**.
622
623 Final Payload is **__Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx__**
624
625 Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
626
627
628 [[image:1675215828102-844.png||_mstalt="294645"]]
629
630
631 (% style="color:#4f81bd" %)**AT+DATAUP=1**
632
633 Compose the uplink payload with value returns in sequence and send with **__Multiply UPLINKs__**.
634
635 Final Payload is __**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
636
637 1. Battery Info (2 bytes): Battery voltage
638 1. PAYVER (1 byte): Defined by AT+PAYVER
639 1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
640 1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
641 1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
642
643 [[image:1675215848113-696.png||_mstalt="296998"]]
644
645
646 (% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
647
648 * For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
649 * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
650 * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
651 * For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
652
653 (% style="color:red" %)**When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
654
655 (% style="color:red" %)**When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
656
657
658
659 (% style="color:blue" %)**Automatically converts polled data to hex format for uplinking(Since v1.3.0)**
660
661
662 This command can retrieve the returned data, convert the number after the positive or negative sign into a data, and then set the number of bytes to upload the data.
663
664
665 * (% style="color:blue" %)**AT Command:**
666
667 The maximum number can be set to 5 groups and the format of the command is as follows：
668
669 (% style="color:#037691" %)**Example 1:AT+DATACONVx=var1, var2**
670
671 (% style="color:#037691" %)**Example 2:AT+DATACONVx=var1, var2+ var3, var4**
672
673 (% style="color:#037691" %)**Example 3:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6**
674
675 (% style="color:#037691" %)**Example 4:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8**
676
677 (% style="color:#037691" %)**Example 5:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8+ var9, var10**
678
679 (% style="color:red" %)**Notice: Among them, var1, var3, var5, var7, and var9 are the data to be selected for conversion, and var2, var4, var6, var8, and var10 are the number of bytes to be uploaded. The values of var2, var4, var6, var8, and var10 range from 1 to 4.**
680
681 * (% style="color:blue" %)**Downlink Command:**
682
683 Format: Command code (0xAC) followed by up to 20 bytes.
684
685
686 Example 1 1:AT+DATACONVx=var1, var2   
687
688 Downlink Command：AC x var1  var2
689
690 Example 1 2:AT+DATACONVx=var1, var2+ var3, var4 
691
692 Downlink Command：AC x var1  var2  var3 var4
693
694 Example 1 3:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6
695
696 Downlink Command：AC x var1  var2  var3 var4 var5 var6
697
698 Example 1 4:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8
699
700 Downlink Command：AC x var1  var2  var3 var4 var5 var6 var7 var8
701
702 Example 1 5:AT+DATACONVx=var1, var2+ var3, var4+ var5, var6+ var7, var8+ var9, var10
703
704 Downlink Command：AC x var1  var2  var3 var4 var5 var6 var7 var8 var9 var10
705
706
707 Example:
708
709 * Example 1: Downlink Payload: AC 01 01 02 02 02  ~/~/  AT+DATACONV1=1,2+2,2 
710 * Example 2: Downlink Payload: AC 02 01 02 02 02 03 02  ~/~/  AT+DATACONV2=1,2+2,2+3,2
711
712 **For example:**
713
714 This is my configuration:
715
716 [[image:image-20250609134137-1.png]]
717
718
719 * AT+COMMAND1=0C!,0,2,0  Use concurrent measurement commands without intercepting the returned data.
720 * AT+COMMAND2=1C!,1,2,0  Use concurrent measurement commands without intercepting the returned data, with a second parameter to be set at the last concurrent command (the second parameter takes the maximum transition time between the two sensors)
721 * AT+COMMAND3=0D0!,0,0,0  Query the data measured by device 0
722 * AT+COMMAND4=1D0!,0,0,0  Query the data measured by device 1
723
724 This is the data obtained:
725
726 [[image:image-20250609134901-2.png]]
727
728
729 When using the AT+DATACONVx command,
730
731 The data of RETURN3 will be converted into 2 data, the first data is +95, and the second data is +260.
732
733 * AT+DATACONV3=1,2+2,2  The first data is uploaded as 2 bytes and the second data is uploaded as 2 bytes. The form converted to hexadecimal is as shown above,as below:
734 * (((
735 AT+DATACONV4=1,3+2,2+3,2  The first data uploads 3 bytes, the second data also uploads 2 bytes, and the third data also uploads 2 bytes. The hexadecimal form is shown above and as shown in the following figure:
736 )))
737
738 [[image:image-20250609141343-1.png]]
739
740 **For example,the uplink payload as below:**
741
742 0CE4 01 00C6 0103 02DB99 00FD 0001
743
744 (% style="color:#037691" %)**BAT**(%%): 0x0CE4 = 3300mV = 3.300V
745
746 (% style="color:#037691" %)**Payload Version**(%%): 0x01, Means: v1.0 version
747
748 (% style="color:#037691" %)**Data 1: **(%%)0x00C6(H) = 198(D) / 100 = 19.8
749
750 (% style="color:#037691" %)**Data 2: **(%%)0x0103(H) = 259(D) / 10 = 25.9
751
752 (% style="color:#037691" %)**Data 3: **(%%)0x02DB99(H) = 187289(D) / 100 = 1872.89
753
754 (% style="color:#037691" %)**Data 4: **(%%)0x00FD(H) = 253(D) / 10 = 25.3
755
756 (% style="color:#037691" %)**Data 5: **(%%)0x0001(H) = 1(D) = 1
757
758
759 == 2.4 Uplink Payload ==
760
761 === 2.4.1 Device Payload, FPORT~=5 ===
762
763
764 Include device configure status. Once SDI-12-LB/LS Joined the network, it will uplink this message to the server.
765
766 Users can also use the downlink command(0x26 01) to ask SDI-12-LB/LS to resend this uplink.
767
768 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
769 |(% colspan="6" style="background-color:#4f81bd; color:white" %)**Device Status (FPORT=5)**
770 |(% style="background-color:#f2f2f2; width:103px" %)**Size (bytes)**|(% style="background-color:#f2f2f2; width:72px" %)**1**|(% style="background-color:#f2f2f2" %)**2**|(% style="background-color:#f2f2f2; width:91px" %)**1**|(% style="background-color:#f2f2f2; width:86px" %)**1**|(% style="background-color:#f2f2f2; width:44px" %)**2**
771 |(% style="background-color:#f2f2f2; width:103px" %)**Value**|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
772
773 Example parse in TTNv3
774
775 [[image:1675215946738-635.png||_mstalt="297778"]]
776
777
778 (% style="color:#037691" %)**Sensor Model**(%%): For SDI-12-LB/LS, this value is 0x17
779
780 (% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
781
782 (% style="color:#037691" %)**Frequency Band**:
783
784 0x01: EU868
785
786 0x02: US915
787
788 0x03: IN865
789
790 0x04: AU915
791
792 0x05: KZ865
793
794 0x06: RU864
795
796 0x07: AS923
797
798 0x08: AS923-1
799
800 0x09: AS923-2
801
802 0x0a: AS923-3
803
804 0x0b: CN470
805
806 0x0c: EU433
807
808 0x0d: KR920
809
810 0x0e: MA869
811
812
813 (% style="color:#037691" %)**Sub-Band**:
814
815 AU915 and US915:value 0x00 ~~ 0x08
816
817 CN470: value 0x0B ~~ 0x0C
818
819 Other Bands: Always 0x00
820
821
822 (% style="color:#037691" %)**Battery Info**:
823
824 Check the battery voltage.
825
826 Ex1: 0x0B45 = 2885mV
827
828 Ex2: 0x0B49 = 2889mV
829
830
831 === 2.4.2 Uplink Payload, FPORT~=2 ===
832
833
834 There are different cases for uplink. See below
835
836 * SDI-12 Debug Command return: FPORT=100
837
838 * Periodically Uplink: FPORT=2
839
840 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
841 |=(% style="width: 90px;background-color:#4F81BD;color:white" %)(((
842 **Size(bytes)**
843 )))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 240px;background-color:#4F81BD;color:white" %)**Length depends on the return from the commands**
844 |(% style="width:93px" %)Value|(% style="width:83px" %)(((
845 Battery(mV)
846 &
847 Interrupt_Flag
848 )))|(% style="width:91px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:212px" %)(((
849 If the valid payload is too long and exceed the maximum support.
850 Payload length in server,server will show payload not provided in the LoRaWAN server.
851 )))
852
853 [[image:1675216282284-923.png||_mstalt="295633"]]
854
855
856 === 2.4.3 Battery Info ===
857
858
859 Check the battery voltage for SDI-12-LB/LS.
860
861 Ex1: 0x0B45 = 2885mV
862
863 Ex2: 0x0B49 = 2889mV
864
865
866 === 2.4.4 Interrupt Pin ===
867
868
869 This data field shows if this packet is generated by (% style="color:#037691" %)**Interrupt Pin**(%%) or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up. Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.7PinMapping"]].
870
871 **Example:**
872
873 Ex1: 0x0B45:0x0B&0x80= 0x00    Normal uplink packet.
874
875 Ex2: 0x8B49:0x8B&0x80= 0x80    Interrupt Uplink Packet.
876
877
878 === 2.4.5 Payload version ===
879
880
881 The version number of the payload, mainly used for decoding. The default is 01.
882
883
884 === 2.4.6 ​Decode payload in The Things Network ===
885
886
887 While using TTN network, you can add the payload format to decode the payload.
888
889 [[image:1675216779406-595.png||_mstalt="298376"]]
890
891
892 There is no fix payload decoder in LoRaWAN server because the SDI-12 sensors returns are different. User need to write the decoder themselves for their case.
893
894 SDI-12-LB/LS TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
895
896
897 == 2.5 Uplink Interval ==
898
899
900 The SDI-12-LB/LS by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
901
902 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
903
904
905 == 2.6 Examples To Set SDI commands ==
906
907 === 2.6.1 Examples 1 ~-~- General Example ===
908
909
910 COM port and SDI-12 sensor communication converted to SDI-12-LB/LS and SDI-12 sensor communication.
911
912 [[image:image-20230222143809-1.png||_mstalt="429962" height="564" width="729"]]
913
914
915 (% style="color:blue" %)**1) The AT+COMMANDx command is applied to the red arrow part, and sends the SDI12 command to the SDI12 sensor:**
916
917 a. Send the first command and get the first reply：
918
919 (% style="color:#037691" %)**AT+COMMANDx=1I!,0,0,1**
920
921 b. Send the second command and get the second reply：
922
923 (% style="color:#037691" %)**AT+COMMANDx=2I!,0,0,1**
924
925 c. Send the third command and get the third reply：
926
927 (% style="color:#037691" %)**AT+COMMANDx=3I!,0,0,1**
928
929 d. Send the fourth command and get the fourth reply：
930
931 (% style="color:#037691" %)**AT+COMMANDx=4I!,0,0,1**
932
933 e. Send the fifth command plus the sixth command, get the sixth reply：
934
935 (% style="color:#037691" %)**AT+COMMANDx=1M!,2,1,1**
936
937 f. Send the seventh command plus the eighth command, get the eighth reply：
938
939 (% style="color:#037691" %)**AT+COMMANDx=2M!,2,1,1**
940
941 g. Send the ninth command plus the tenth command, get the tenth reply：
942
943 (% style="color:#037691" %)**AT+COMMANDx=3M!,1,1,1**
944
945 h. Send the eleventh command plus the twelfth command, get the twelfth reply：
946
947 (% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
948
949
950 (% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor:**
951
952 a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
953
954 Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**(% style="color:#037691" %);
955
956 b. The sixth reply, all 31 characters: "1+19210+1.04+0.00+22.49+11.75<CR><LF>"
957
958 Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
959
960 c. The eighth reply, all 31 characters: "2+18990+1.08+0.00+22.24+11.80<CR><LF>"
961
962 Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
963
964 d. The tenth reply, all 15 characters: "3-2919.8+24.0<CR><LF>"
965
966 Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**(% style="color:#037691" %);
967
968 e. The twelfth reply, all 25 characters: "4+30.8+22.84+4.7+954.38<CR><LF>"
969
970 Partial cut, the cut sensor address and the first two parameters:(% style="color:#037691" %)**AT+DATACUTx=25,2,1~~12, cut out the character field "4+30.8+22.84"**.
971
972
973 === 2.6.2 Example 2 ~-~- Connect to Hygrovue10 ===
974
975 ==== 2.6.2.1 Reference Manual and Command ====
976
977
978 * [[Hygrovue10 Product Page>>https://www.campbellsci.com/hygrovue10]]
979
980 * Commands to be used in PC and output.
981
982 ~1. check device address
983
984 2. change device address
985
986 3. check device ID
987
988 4. start measure
989
990 5. Get Meausre result
991
992 [[image:image-20230603120209-2.png||height="281" width="267"]]
993
994
995 ==== 2.6.2.2 Hardware Connection to SDI-12-LB/LS ====
996
997
998 [[image:image-20230603120515-3.png]]
999
1000
1001 ==== 2.6.2.3 Commands set in SDI-12-LB/LS and uplink payload ====
1002
1003
1004 [[image:image-20230603120648-4.png]]
1005
1006 [[image:image-20230603120726-5.png]]
1007
1008
1009 **Data in TTN:**
1010
1011 [[image:image-20230603120859-6.png||height="118" width="1285"]]
1012
1013
1014 === 2.6.3 Example 3 ~-~- Connect to SIL-400 ===
1015
1016 ==== 2.6.3.1 Reference Manual and Command ====
1017
1018
1019 * [[SIL-400 Product Page>>https://www.apogeeinstruments.com/sil-411-commercial-grade-sdi-12-digital-output-standard-field-of-view-infrared-radiometer-sensor/]]
1020
1021 * Commands to be used in PC and output.
1022
1023 ~1. check device address
1024
1025 2. change device address
1026
1027 3. check device ID
1028
1029 4. start measure
1030
1031 5. Get Meausre result
1032
1033 [[image:image-20230603121606-7.png||height="242" width="307"]]
1034
1035
1036 ==== 2.6.3.2 Hardware Connection to SDI-12-LB/LS ====
1037
1038
1039 [[image:image-20230603121643-8.png||height="442" width="656"]]
1040
1041
1042 ==== 2.6.3.3 Commands set in SDI-12-LB/LS and uplink payload ====
1043
1044
1045 [[image:image-20230603121721-9.png]]
1046
1047 [[image:image-20230628090323-1.png||height="414" width="694"]]
1048
1049 Data in TTN:
1050
1051 [[image:image-20230603121826-11.png||height="155" width="1104"]]
1052
1053
1054 === 2.6.4 Example 4 ~-~- Connect to TEROS-12 ===
1055
1056 ==== 2.6.4.1 Reference Manual and Command ====
1057
1058
1059 * [[TEROS-12 Product Page>>https://www.metergroup.com/en/meter-environment/products/teros-12-soil-moisture-sensor]]
1060
1061 * Commands to be used in PC and output.
1062
1063 1.check device address
1064
1065 2.change device address
1066
1067 3.check device ID
1068
1069 4.start measure
1070
1071 5.Get Meausre result
1072
1073 [[image:image-20230603122248-16.png||height="196" width="198"]]
1074
1075
1076 ==== 2.6.4.2 Hardware Connection to SDI-12-LB/LS ====
1077
1078
1079 [[image:image-20230603122212-15.png||height="502" width="667"]]
1080
1081
1082 ==== 2.6.4.3 Commands set in SDI-12-LB/LS and uplink payload ====
1083
1084
1085 [[image:image-20230603122040-12.png]]
1086
1087 [[image:image-20230603122109-13.png||height="469" width="762"]]
1088
1089
1090 **Data in TTN:**
1091
1092 [[image:image-20230603122139-14.png||height="148" width="1128"]]
1093
1094
1095 === 2.6.5 Example 5 ~-~- Connect to SIL-400/TEROS-12 & Hygrovue10 ===
1096
1097 ==== 2.6.5.1 Important Notice! ====
1098
1099
1100 * The product page and reference command see above example 2,3,4
1101
1102 * All of these SDI-12 sensors use the same address (address 0) by default. So we need to change their address to different address, by using **aAb!** command. See above example.
1103
1104 * The sensor needs to be powered to a steady statue. So the 12VT time need to be set to the maximum stable time for the sensors. in this example, it is 13 seconds.
1105
1106 * If these SDI-12 sensors are powered by external power source. It will add 300uA in the total current in SDI-12-LB/LS.
1107
1108 ==== 2.6.5.2 Hardware Connection to SDI-12-LB/LS ====
1109
1110
1111 [[image:image-20230603122508-17.png||height="526" width="742"]]
1112
1113
1114 ==== 2.6.5.3 Commands set in SDI-12-LB/LS and uplink payload ====
1115
1116
1117 [[image:image-20230603122549-18.png]]
1118
1119 [[image:image-20230603122623-19.png||height="483" width="1121"]]
1120
1121
1122 **Data in TTN:**
1123
1124 [[image:image-20230603122719-20.png||height="151" width="1179"]]
1125
1126
1127 === 2.6.6 Example 6 ~-~- Connect to ENTELECHY-EP_SDI-12 ===
1128
1129 ==== 2.6.6.1 Reference Manual and Command ====
1130
1131
1132 * [[https:~~/~~/enviroprosoilprobes.com/wp-content/uploads/2019/11/ENTELECHY-EP_SDI-12-Commands.pdf>>url:https://enviroprosoilprobes.com/wp-content/uploads/2019/11/ENTELECHY-EP_SDI-12-Commands.pdf]]
1133
1134 * Commands to be used in PC and output.
1135
1136 1.check device address
1137
1138 2.change device address
1139
1140 3.check device ID
1141
1142 4.start measure
1143
1144 5.Get Meausre result
1145
1146
1147 [[image:image-20230627174559-3.png]]
1148
1149
1150 ==== 2.6.6.2 Hardware Connection to SDI-12-LB/LS ====
1151
1152
1153 [[image:image-20230627174446-2.png]]
1154
1155
1156 ==== 2.6.6.3 Commands set in SDI-12-LB/LS and uplink payload ====
1157
1158
1159 [[image:image-20230627175513-4.png||height="596" width="576"]]
1160
1161 [[image:image-20230627175736-5.png||height="429" width="693"]]
1162
1163
1164 **Data in TTN:**
1165
1166 [[image:image-20230627180303-6.png||height="292" width="1171"]]
1167
1168
1169 === 2.6.7 Example 7 ~-~- Connect to GroPoint Profile-8 (SDI-12 Version) ===
1170
1171 ==== 2.6.7.1  Reference Manual and Command ====
1172
1173
1174 * [[https:~~/~~/static1.squarespace.com/static/5db0b690c4990258f8f6d042/t/64189e1ab3ebc54e6947b0c0/1679334941034/2625-N-T+GroPoint+Profile+User+Manual-V1.1.3.pdf>>https://static1.squarespace.com/static/5db0b690c4990258f8f6d042/t/64189e1ab3ebc54e6947b0c0/1679334941034/2625-N-T+GroPoint+Profile+User+Manual-V1.1.3.pdf]]
1175
1176 * Commands to be used in PC and output.
1177
1178 1. check device address
1179 1. change device address
1180 1. check device ID
1181 1. start measure
1182 1. Get Meausre result
1183
1184 [[image:image-20240423143921-1.png]]
1185
1186
1187 ==== 2.6.7.2 Hardware Connection to SDI-12-LB/LS ====
1188
1189
1190 (% style="color:red" %)**Note: When the bytes returned by the sensor are not fixed, the full byte interception can be used: AT+ALLDATAMOD=1 (The DATACUTx parameter needs to be cleared when using this directive, or it will not work.)**
1191
1192 [[image:image-20240423145522-2.png||height="345" width="400"]]
1193
1194
1195 ==== 2.6.7.3 Commands set in SDI-12-LB/LS and uplink payload ====
1196
1197 [[image:image-20240423151202-3.png]]
1198
1199 (% class="wikigeneratedid" id="H" %)
1200 [[image:image-20240423162851-6.png||height="251" width="935"]]
1201
1202
1203 DATA in TTN:
1204
1205 [[image:image-20240423162322-4.png||height="269" width="933"]]
1206
1207
1208 === 2.6.8 Example 8 ~-~- Connect to Acclima TDR Soil Moisture Sensor ===
1209
1210 ==== 2.6.8.1  Reference Manual and Command ====
1211
1212
1213 * [[Acclima TDR Soil Moisture Sensor User Manual>>url:https://acclima.com/tdr-soil-moisture-sensor-user-manual/]]
1214
1215 * Commands to be used in PC and output.
1216
1217 1. check device address
1218 1. change device address
1219 1. check device ID
1220 1. start measure
1221 1. Get Meausre result
1222
1223 [[image:image-20240903152650-3.png]]
1224
1225 [[image:image-20240903152627-2.png]]
1226
1227
1228 ==== 2.6.8.2 Hardware Connection to SDI-12-LB/LS ====
1229
1230
1231 (% style="color:red" %)**Note: When the bytes returned by the sensor are not fixed, the full byte interception can be used: AT+ALLDATAMOD=1 (The DATACUTx parameter needs to be cleared when using this directive, or it will not work.)**
1232
1233 [[image:image-20240903153004-5.png||height="358" width="660"]]
1234
1235
1236 ==== 2.6.8.3 Commands set in SDI-12-LB/LS and uplink payload ====
1237
1238
1239 [[image:image-20240903153258-6.png]]
1240
1241 [[image:image-20240903153627-7.png]]
1242
1243 DATA in TTN:
1244
1245 [[image:image-20240903154020-10.png||height="467" width="961"]]
1246
1247
1248 == 2.7 Frequency Plans ==
1249
1250
1251 The SDI-12-LB/LS uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country.
1252
1253 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
1254
1255
1256 == 2.8 Firmware Change Log ==
1257
1258
1259 **Firmware download link:**
1260
1261 [[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
1262
1263
1264
1265 == 2.9 Datalog Feature(Since v1.3.0) ==
1266
1267
1268 (((
1269 Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, SDI-12-LB will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from SDI-12-LB.
1270 )))
1271
1272
1273 === 2.9.1 Ways to get datalog via LoRaWAN ===
1274
1275
1276 There are two methods:
1277
1278 (% style="color:blue" %)**Method 1:** (%%)IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.8.4Pollsensorvalue"]] for specified time range.
1279
1280
1281 (% style="color:blue" %)**Method 2: **(%%)Set PNACKMD=1, SDI-12-LB will wait for ACK for every uplink, when there is no LoRaWAN network, SDI-12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
1282
1283
1284 (% style="color:red" %)**Note for method 2:**
1285
1286 * a) SDI-12-LB will do an ACK check for data records sending to make sure every data arrive server.
1287 * b) SDI-12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but SDI-12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if SDI-12-LB gets a ACK, SDI-12-LB will consider there is a network connection and resend all NONE-ACK Message.
1288
1289 === 2.9.2 Unix TimeStamp ===
1290
1291
1292 SDI-12-LB uses Unix TimeStamp format based on
1293
1294 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="image-20220523001219-11.png"]]
1295
1296
1297 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
1298
1299 Below is the converter example
1300
1301 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="image-20220523001219-12.png"]]
1302
1303 So, we can use AT+TIMESTAMP=1742889625 or downlink 3067E26299 to set the current time 2025 – March ~-~- 25 Tuesday  08:00:25
1304
1305
1306 === 2.9.3 Set Device Time ===
1307
1308
1309 (((
1310 (% style="color:blue" %)**There are two ways to set device's time:**
1311 )))
1312
1313 (((
1314 **1.  Through LoRaWAN MAC Command (Default settings)**
1315 )))
1316
1317 (((
1318 User need to set SYNCMOD=1 to enable sync time via MAC command.
1319 )))
1320
1321 (((
1322 Once SDI-12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to SDI-12-LB. If SDI-12-LB fails to get the time from the server, SDI-12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
1323 )))
1324
1325 (((
1326 (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
1327 )))
1328
1329
1330 (((
1331 **2. Manually Set Time**
1332 )))
1333
1334 (((
1335 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
1336 )))
1337
1338
1339 === 2.9.4 Poll sensor value ===
1340
1341
1342 User can poll sensor value based on timestamps from the server. Below is the downlink command.
1343
1344 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:438.778px" %)
1345 |(% style="background-color:#4f81bd; color:white; width:59px" %)**1byte**|(% style="background-color:#4f81bd; color:white; width:123px" %)**4bytes**|(% style="background-color:#4f81bd; color:white; width:114px" %)**4bytes**|(% style="background-color:#4f81bd; color:white; width:142.778px" %)**1byte**
1346 |(% style="width:58px" %)31|(% style="width:123px" %)Timestamp start|(% style="width:114px" %)Timestamp end|(% style="width:137px" %)(((
1347 Uplink Interval(range 5~~255s)
1348 )))
1349
1350 Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
1351
1352 For example, downlink command (% _mstmutation="1" %)**31 68253B6E 68253E23 05**(%%)
1353
1354 Is to check 2025/05/15 00:55:10 to 2025/05/15 01:06:43's data
1355
1356 Uplink Internal =5s, means SDI-12-LB will send one packet every 5s.
1357
1358
1359 === 2.9.5 Datalog Uplink payload ===
1360
1361
1362 The Datalog poll reply uplink will use below payload format.
1363
1364 **Retrieval data payload:**
1365
1366 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:480px" %)
1367 |=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
1368 **Size(bytes)**
1369 )))|=(% style="width: 100px; background-color: rgb(79, 129, 189); color: white;" %)**4**|=(% style="width: 100px; background-color: rgb(79, 129, 189); color: white;" %)**1**|=(% style="width: 220px; background-color: rgb(79, 129, 189); color: white;" %)**Length depends on the return from the commands**
1370 |(% style="width:97px" %)Value|(% style="width:104px" %)Unix Time Stamp|(% style="width:109px" %)Payload Length|(% style="width:165px" %)Data returned by the sensor
1371
1372 **Example:**
1373
1374 If SDI-12-LB has below data inside Flash:
1375
1376 (Soil sensors using the SDI-12 protocol are used for testing.)
1377
1378 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1379 |=(% style="width: 88px; background-color:#4F81BD;color:white" %)Flash Add|=(% style="width: 98px; background-color: rgb(79, 129, 189); color: white;" %)**Unix Time**|=(% style="width: 82px; background-color: rgb(79, 129, 189); color: white;" %)Payload Length|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)**BAT voltage**|=(% style="width: 92px; background-color: rgb(79, 129, 189); color: white;" %)Payload Version|=(% style="width: 64px; background-color:#4F81BD;color:white" %)**Value**
1380 |(% style="width:89px" %)(((
1381 0001
1382 )))|(% style="width:98px" %)(((
1383 2025/3/25 08:09:30
1384 )))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1385 0c a8
1386 )))|(% style="width:92px" %)01|(% style="width:131px" %)(((
1387 08 21
1388 )))
1389 |(% style="width:89px" %)0002|(% style="width:98px" %)(((
1390 2025/3/25 08:10:30
1391 )))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1392 0c ae
1393 )))|(% style="width:92px" %)01|(% style="width:131px" %)(((
1394 08 22
1395 )))
1396 |(% style="width:89px" %)0003|(% style="width:98px" %)(((
1397 2025/3/25 08:11:30
1398 )))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1399 |(% style="width:89px" %)0004|(% style="width:98px" %)(((
1400 2025/3/25 08:12:30
1401 )))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1402 |(% style="width:89px" %)0005|(% style="width:98px" %)(((
1403 2025/3/25 08:13:30
1404 )))|(% style="width:82px" %)5|(% style="width:86px" %)(((
1405 0c b4
1406 )))|(% style="width:92px" %)01|(% style="width:131px" %)08 23
1407 |(% style="width:89px" %)0006|(% style="width:98px" %)(((
1408 2025/3/25 08:14:30
1409 )))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1410 |(% style="width:89px" %)0007|(% style="width:98px" %)(((
1411 2025/3/25 08:15:30
1412 )))|(% style="width:82px" %)5|(% style="width:86px" %)0c b4|(% style="width:92px" %)01|(% style="width:131px" %)08 23
1413 |(% style="width:89px" %)0008|(% style="width:98px" %)(((
1414 2025/3/25 08:16:30
1415 )))|(% style="width:82px" %)5|(% style="width:86px" %)0c ae|(% style="width:92px" %)01|(% style="width:131px" %)08 22
1416
1417 If user sends below downlink command: (% style="background-color:yellow" %)3168253B6E68253E2305
1418
1419 Where : Start time: (% _mstmutation="1" %)68253B6E (%%)= time 2025/05/15 00:55:10
1420
1421 Stop time: (% _mstmutation="1" %)68253E23 (%%)= time 2025/05/15 01:06:43
1422
1423
1424 **SDI-12-LB will uplink this payload.**
1425
1426 **68253B6E 12 0C7801F10D302B312E31372B32362E390D0A **
1427 68253C5D 12 0C7801F10D302B312E31372B32372E340D0A
1428 68253D33 12 0C7201F10D302B312E31352B32382E390D0A
1429 68253DAB 12 0C7201F10D302B312E31342B32392E340D0A
1430 68253E23 12 0C7201F10D302B312E31332B33302E300D0A
1431
1432
1433 Where the first 23 bytes is for the first entry:
1434
1435 **68253B6E 12 0C7801F10D302B312E31372B32362E390D0A**
1436
1437 Unix Time Stamp: 68253B6E(H)=1747270510(D)  ~-~->  time=2025-05-15 8:55:00
1438
1439 Payload Length: 0x12(H)=18 bytes
1440
1441 Battery voltage: 0x0C78(H)=3192 mV
1442
1443 Payload Version:  01
1444
1445 Value: For the distance sensor used for testing, this value is the mm distance value, 0xF10D302B312E31372B32362E390D0A(H)
1446
1447
1448
1449 = 3. Configure SDI-12-LB/LS via AT Command or LoRaWAN Downlink =
1450
1451
1452 Use can configure SDI-12-LB/LS via AT Command or LoRaWAN Downlink.
1453
1454 * AT Command Connection: See [[FAQ>>||anchor="H7.FAQ"]].
1455 * LoRaWAN Downlink instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
1456
1457 There are two kinds of commands to configure SDI-12-LB/LS, they are:
1458
1459 * (% style="color:blue" %)**General Commands**.
1460
1461 These commands are to configure:
1462
1463 * General system settings like: uplink interval.
1464 * LoRaWAN protocol & radio related command.
1465
1466 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
1467
1468 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
1469
1470
1471 * (% style="color:blue" %)**Commands special design for SDI-12-LB/LS**
1472
1473 These commands only valid for SDI-12-LB/LS, as below:
1474
1475
1476 == 3.1 Set Transmit Interval Time ==
1477
1478
1479 Feature: Change LoRaWAN End Node Transmit Interval.
1480
1481 (% style="color:blue" %)**AT Command: AT+TDC**
1482
1483 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1484 |=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Response**
1485 |(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
1486 30000
1487 OK
1488 the interval is 30000ms = 30s
1489 )))
1490 |(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=60000|(% style="background-color:#f2f2f2; width:166px" %)Set Transmit Interval|(% style="background-color:#f2f2f2" %)(((
1491 OK
1492 Set transmit interval to 60000ms = 60 seconds
1493 )))
1494
1495 (% style="color:blue" %)**Downlink Command: 0x01**
1496
1497 Format: Command Code (0x01) followed by 3 bytes time value.
1498
1499 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1500
1501 * Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1502 * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1503
1504 == 3.2 Set Interrupt Mode ==
1505
1506
1507 Feature, Set Interrupt mode for GPIO_EXIT.
1508
1509 (% style="color:blue" %)**AT Command: AT+INTMOD**
1510
1511 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1512 |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Response**
1513 |(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
1514 0
1515 OK
1516 the mode is 0 =Disable Interrupt
1517 )))
1518 |(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=2|(% style="background-color:#f2f2f2; width:196px" %)(((
1519 Set Transmit Interval
1520 0. (Disable Interrupt),
1521 ~1. (Trigger by rising and falling edge)
1522 2. (Trigger by falling edge)
1523 3. (Trigger by rising edge)
1524 )))|(% style="background-color:#f2f2f2; width:157px" %)OK
1525
1526 (% style="color:blue" %)**Downlink Command: 0x06**
1527
1528 Format: Command Code (0x06) followed by 3 bytes.
1529
1530 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1531
1532 * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
1533 * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1534
1535 == 3.3 Set the output time ==
1536
1537
1538 Feature, Control the output 3V3 , 5V or 12V.
1539
1540 (% style="color:blue" %)**AT Command: AT+3V3T**
1541
1542 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:474px" %)
1543 |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 201px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 120px;background-color:#4F81BD;color:white" %)**Response**
1544 |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
1545 0
1546 OK
1547 )))
1548 |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=0|(% style="background-color:#f2f2f2; width:201px" %)Normally open 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((
1549 OK
1550 default setting
1551 )))
1552 |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=1000|(% style="background-color:#f2f2f2; width:201px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:116px" %)(((
1553 OK
1554 )))
1555 |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=65535|(% style="background-color:#f2f2f2; width:201px" %)Normally closed 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((
1556 OK
1557 )))
1558
1559 (% style="color:blue" %)**AT Command: AT+5VT**
1560
1561 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
1562 |=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 119px;background-color:#4F81BD;color:white" %)**Response**
1563 |(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((
1564 0
1565 OK
1566 )))
1567 |(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=0|(% style="background-color:#f2f2f2; width:196px" %)Normally closed 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((
1568 OK
1569 default setting
1570 )))
1571 |(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=1000|(% style="background-color:#f2f2f2; width:196px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:114px" %)(((
1572 OK
1573 )))
1574 |(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=65535|(% style="background-color:#f2f2f2; width:196px" %)Normally open 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((
1575 OK
1576 )))
1577
1578 (% style="color:blue" %)**AT Command: AT+12VT **
1579
1580 (% style="color:blue" %)**(The v1.2 version is enabled for 1 second by default, and the version below v1.2 is disabled by default)**
1581
1582 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:443px" %)
1583 |=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 199px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 89px;background-color:#4F81BD;color:white" %)**Response**
1584 |(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((
1585 0
1586 OK
1587 )))
1588 |(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=0|(% style="background-color:#f2f2f2; width:199px" %)Normally closed 12V power supply.|(% style="background-color:#f2f2f2; width:83px" %)OK
1589 |(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=500|(% style="background-color:#f2f2f2; width:199px" %)Close after a delay of 500 milliseconds.|(% style="background-color:#f2f2f2; width:83px" %)(((
1590 OK
1591 )))
1592
1593 (% style="color:blue" %)**Downlink Command: 0x07**
1594
1595 Format: Command Code (0x07) followed by 3 bytes.
1596
1597 The first byte is which power, the second and third bytes are the time to turn on.
1598
1599 * Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
1600 * Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
1601 * Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
1602 * Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
1603 * Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
1604 * Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
1605
1606 == 3.4 Set the all data mode ==
1607
1608
1609 Feature, Set the all data mode.
1610
1611 (% style="color:blue" %)**AT Command: AT+ALLDATAMOD**
1612
1613 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:437px" %)
1614 |=(% style="background-color:#4F81BD;color:white" %)**Command Example**|=(% style="background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1615 |(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=?|(% style="background-color:#f2f2f2" %)Show current all data mode|(% style="background-color:#f2f2f2" %)(((
1616 0
1617 OK
1618 )))
1619 |(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=1|(% style="background-color:#f2f2f2" %)Set all data mode is 1.|(% style="background-color:#f2f2f2" %)OK
1620
1621 (% style="color:blue" %)**Downlink Command: 0xAB**
1622
1623 Format: Command Code (0xAB) followed by 1 bytes.
1624
1625 * Example 1: Downlink Payload: AB 00  ~/~/  AT+ALLDATAMOD=0
1626 * Example 2: Downlink Payload: AB 01  ~/~/  AT+ALLDATAMOD=1
1627
1628 == 3.5 Set the splicing payload for uplink ==
1629
1630
1631 Feature, splicing payload for uplink.
1632
1633 (% style="color:blue" %)**AT Command: AT+DATAUP**
1634
1635 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1636 |=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 266px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1637 |(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =?|(% style="background-color:#f2f2f2; width:266px" %)Show current splicing payload for uplink mode|(% style="background-color:#f2f2f2" %)(((
1638 0
1639 OK
1640 )))
1641 |(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =0|(% style="background-color:#f2f2f2; width:266px" %)(((
1642 Set splicing payload for uplink mode is 0.
1643 )))|(% style="background-color:#f2f2f2" %)(((
1644 OK
1645 )))
1646 |(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1|(% style="background-color:#f2f2f2; width:266px" %)Set splicing payload for uplink mode is 1 , and the each splice uplink is sent sequentially.|(% style="background-color:#f2f2f2" %)OK
1647 |(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1,20000|(% style="background-color:#f2f2f2; width:266px" %)(((
1648 Set splicing payload for uplink mode is 1, and the uplink interval of each splice to 20000 milliseconds.
1649 )))|(% style="background-color:#f2f2f2" %)OK
1650
1651 (% style="color:blue" %)**Downlink Command: 0xAD**
1652
1653 Format: Command Code (0xAD) followed by 1 bytes or 5 bytes.
1654
1655 * Example 1: Downlink Payload: AD 00  ~/~/  AT+DATAUP=0
1656 * Example 2: Downlink Payload: AD 01  ~/~/  AT+DATAUP =1
1657 * Example 3: Downlink Payload: AD 01 00 00 14  ~/~/  AT+DATAUP =1,20000
1658
1659 This means that the interval is set to 0x000014=20S
1660
1661
1662 == 3.6 Set the payload version ==
1663
1664
1665 Feature, Set the payload version.
1666
1667 (% style="color:blue" %)**AT Command: AT+PAYVER**
1668
1669 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:437px" %)
1670 |=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 192px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1671 |(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=?|(% style="background-color:#f2f2f2; width:192px" %)Show current payload version|(% style="background-color:#f2f2f2" %)(((
1672 1
1673 OK
1674 )))
1675 |(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=5|(% style="background-color:#f2f2f2; width:192px" %)Set payload version is 5.|(% style="background-color:#f2f2f2" %)OK
1676
1677 (% style="color:blue" %)**Downlink Command: 0xAE**
1678
1679 Format: Command Code (0xAE) followed by 1 bytes.
1680
1681 * Example 1: Downlink Payload: AE 01  ~/~/  AT+PAYVER=1
1682 * Example 2: Downlink Payload: AE 05  ~/~/  AT+PAYVER=5
1683
1684 == 3.7 Print data entries base on page(Since v1.3.0) ==
1685
1686
1687 Feature: Print the sector data from start page to stop page (max is 416 pages).
1688
1689 (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1690
1691 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1692 |(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1693 |(% style="width:156px" %)(((
1694 AT+PDTA=1,2
1695 Print page 1 to 2
1696 )))|(% style="width:311px" %)(((
1697 Stop Tx and RTP events when read sensor data
1698
1699 8033330 2025/5/14 12:27:32 18 0c 84 01 f1 0d 30 2b 31 2e 30
1700
1701 8033340 38 2b 32 34 2e 36 0d 0a
1702
1703 8033350 2025/5/14 12:29:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1704
1705 8033360 38 2b 32 34 2e 36 0d 0a
1706
1707 8033370 2025/5/14 12:31:32 18 0c 78 01 f1 0d 30 2b 31 2e 30
1708
1709 8033380 38 2b 32 34 2e 36 0d 0a
1710
1711 8033390 2025/5/14 12:33:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1712
1713 80333A0 38 2b 32 34 2e 36 0d 0a
1714
1715 80333B0 2025/5/14 12:35:32 18 0c 72 01 f1 0d 30 2b 31 2e 30
1716
1717 80333C0 38 2b 32 34 2e 36 0d 0a
1718
1719
1720 OK
1721 )))
1722
1723 (% style="color:#4f81bd" %)**Downlink Command:**
1724
1725 No downlink commands for feature
1726
1727
1728 == 3.8 Print last few data entries(Since v1.3.0) ==
1729
1730
1731 Feature: Print the last few data entries
1732
1733 (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1734
1735 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:437px" %)
1736 |=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 192px;background-color:#4F81BD;color:white" %)**Function**
1737 |(% style="background-color:#f2f2f2; width:158px" %)AT+PLDTA=10,0|(% style="background-color:#f2f2f2; width:192px" %)Printing the last ten data in hex format
1738 |(% style="background-color:#f2f2f2; width:158px" %)AT+PLDTA=10,1|(% style="background-color:#f2f2f2; width:192px" %)Print the last ten data in string format
1739
1740 * **Prints in hex format:**
1741
1742 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1743 |(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1744 |(% style="width:156px" %)(((
1745 AT+PLDTA=10,0
1746 Print last 10 entries
1747 )))|(% style="width:311px" %)(((
1748 Stop Tx events when read sensor data
1749
1750 0001-0001 2025/5/16 06:48:04 7 0c 7e 01 00 5f 01 05
1751
1752 0002-0002 2025/5/16 06:50:04 7 0c 72 01 00 5f 01 05
1753
1754 0003-0003 2025/5/16 06:52:04 7 0c 72 01 00 5f 01 05
1755
1756 0004-0004 2025/5/16 06:54:04 7 0c 7e 01 00 5f 01 05
1757
1758 0005-0005 2025/5/16 06:56:04 7 0c 7e 01 00 5f 01 07
1759
1760 0006-0006 2025/5/16 06:58:04 7 0c 8a 01 00 60 01 07
1761
1762 0007-0007 2025/5/16 07:00:04 7 0c 84 01 00 61 01 07
1763
1764 0008-0008 2025/5/16 07:02:04 7 0c 72 01 00 61 01 07
1765
1766 0009-0009 2025/5/16 07:04:04 7 0c 78 01 00 61 01 07
1767
1768 0010-0010 2025/5/16 07:06:04 7 0c 78 01 00 61 01 07
1769
1770 Start Tx events
1771
1772 OK
1773 )))
1774
1775 * **Printing in String Format:**
1776
1777 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1778 |(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1779 |(% style="width:156px" %)(((
1780 AT+PLDTA=10,1
1781 Print last 10 entries
1782
1783 (((
1784 (Printing in String Format)
1785 )))
1786 )))|(% style="width:311px" %)(((
1787 Stop Tx events when read sensor data
1788
1789 0001-0001 2025/5/16 06:48:04 7 ~~_
1790
1791 0002-0002 2025/5/16 06:50:04 7 r_
1792
1793 0003-0003 2025/5/16 06:52:04 7 r_
1794
1795 0004-0004 2025/5/16 06:54:04 7 ~~_
1796
1797 0005-0005 2025/5/16 06:56:04 7 ~~_
1798
1799 0006-0006 2025/5/16 06:58:04 7 `
1800
1801 0007-0007 2025/5/16 07:00:04 7 a
1802
1803 0008-0008 2025/5/16 07:02:04 7 ra
1804
1805 0009-0009 2025/5/16 07:04:04 7 xa
1806
1807 0010-0010 2025/5/16 07:06:04 7 xa
1808
1809 Start Tx events
1810
1811 OK
1812 )))
1813
1814 (% style="color:#4f81bd" %)**Downlink Command:**
1815
1816 No downlink commands for feature
1817
1818
1819 == 3.9 Clear Flash Record(Since v1.3.0) ==
1820
1821
1822 Feature: Clear flash storage for data log feature.
1823
1824 (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1825
1826 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:503px" %)
1827 |(% style="background-color:#4f81bd; color:white; width:157px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:137px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:209px" %)**Response**
1828 |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
1829 Clear all stored sensor data…
1830
1831 OK
1832 )))
1833
1834 (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1835
1836 * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1837
1838 == 3.10 SDI12 timing(Since v1.3.0) ==
1839
1840
1841 Feature: Get or set the time of SDI12 timing.
1842
1843 [[image:1747289896656-580.png||height="414" width="566"]]
1844
1845
1846 (% style="color:#4f81bd" %)**AT Command: AT+SDITIMING**
1847
1848 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:503px" %)
1849 |(% style="background-color:#4f81bd; color:white; width:157px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:167px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:177px" %)**Response**
1850 |(% style="width:155px" %)(((
1851 AT+SDITIMING=13,9
1852
1853
1854 )))|(% style="width:167px" %)Get or set the time of SDI12 timing|(% style="width:177px" %)(((
1855 OK
1856
1857 Default: 13,9
1858 )))
1859
1860 (% style="color:#4f81bd" %)**Downlink Command: 0xA9**
1861
1862 * Example: 0xA90D09  ~/~/  Same as AT+SDITIMING=13,9
1863
1864
1865
1866
1867 == 3.11 add Pulse_count, VDC_input, IDC_input(Since firmware V1.3.0) ==
1868
1869
1870 (% style="color:blue" %)**Setting up external sensors:**
1871
1872 * (% style="color:#037691" %)**AT Command:**
1873
1874 (% style="color:#4472c4" %)**AT+EXT=a,b,c**(%%)
1875
1876 (% style="color:#4472c4" %)**a:**(%%)  **0:** Disable Counting function ( doesn't effect interrupt ).  **1:** Enable Counting function(4 bytes).
1877 (% style="color:#4472c4" %)**b: **(%%) **0:** Disable voltage acquisition function.  **1:** Enable voltage acquisition function(2 bytes)
1878 (% style="color:#4472c4" %)**c:**(%%)  **0:** Disable current acquisition  function.  **1:** Enable current acquisition function(2 bytes).
1879
1880 **Example:**
1881
1882 (% style="color:#4472c4" %)**AT+EXT=1,1,1**
1883
1884 Device will add counting, voltage and current acquisition function.
1885
1886 The payload will be:
1887 Battery(mV) & Interrupt _Flag + PAYLOAD_VER + ***counting + ** ***VDC_INPUT**  + ***IDC_INPUT**  + Length depends on the return from the commands
1888
1889 (% style="color:#4472c4" %)**AT+EXT=1,0,0**
1890
1891 Device will add counting support.
1892
1893 The payload will be:
1894 Battery(mV) & Interrupt _Flag + PAYLOAD_VER + ***counting** + Length depends on the return from the commands
1895
1896 * (% style="color:#037691" %)**Downlink Command: 0x0B aa bb cc**
1897
1898 Format: Command Code (0x0B) followed by 3 bytes.
1899
1900 (% style="color:#037691" %)**aa:**(%%) Set Disable or Enable Counting Support.   **00**: Disable, **01**: Enable.
1901
1902 (% style="color:#037691" %)**bb:**(%%) Set Disable or Enable voltage acquisition.  **00**: Disable, **01**: Enable.
1903
1904 (% style="color:#037691" %)**cc:**(%%) Set Disable or Enable current acquisition.  **00**: Disable, **01**: Enable.
1905
1906 **Example:**
1907
1908 Downlink payload:  0B 00 00 01  ~/~/AT+EXT=0,0,1  Enable current acquisition
1909
1910 Downlink payload:  0B 01 00 01  ~/~/AT+EXT=1,0,1  Enable Counting Support and Current acquisition                        
1911
1912
1913 (% style="color:blue" %)**Set the pulse count value:**
1914
1915 * (% style="color:#037691" %)**AT Command:**
1916
1917 (% style="color:#4472c4" %)**AT+SETCNT=aa     **(%%)~/~/ Set the pulse count value.
1918
1919 **Example:**
1920
1921 AT+SETCNT=100  (% style="display:none" %) (%%)~/~/ Set the pulse count to 100.(% style="display:none" %)
1922
1923 * (% style="color:#037691" %)**Downlink Command: 0x0C**
1924
1925 Format: Command Code (0x0C) followed by 4 bytes.
1926
1927 **Example:**
1928
1929 Downlink Payload: 0C 00 00 00 64  ~/~/ AT+SETCNT=100
1930
1931
1932 (% style="color:blue" %)**Connect counting sensor:**
1933
1934 The counting sensor cables are connected to the **3V3 pin** and **GPIO_EXTI** pin of the **SIB v1.3** motherboard.
1935
1936 [[image:image-20250519110640-1.jpeg||height="318" width="708"]]
1937
1938
1939 (% id="cke_bm_1699404S" style="color:blue; display:none" %)** **(% style="color:blue" %)**Connect Voltage output sensor:**
1940
1941 Example:
1942
1943 **RED <~-~-~-~-> VDC_INPUT**
1944
1945 **BLACK <~-~-~-~-~-~-> GND**
1946
1947 [[image:image-20250519111415-3.jpeg||height="338" width="710"]]
1948
1949
1950 (% style="color:blue" %)**Connect Current output sensor:**
1951
1952 Example:
1953
1954 **RED <~-~-~-~-~-~-~-~--> IDC_INPUT**
1955
1956 **BLACK <~-~-~-~-~-~-> GND**
1957
1958 [[image:image-20250519111732-4.jpeg||height="373" width="708"]]
1959
1960
1961
1962 == 3.12 Cut data separation processing(Since firmware V1.3.2) ==
1963
1964
1965 AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1966
1967 When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
1968
1969 When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
1970
1971
1972 * (((
1973 (% style="color:#037691" %)** AT Command:**
1974 )))
1975
1976 (% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
1977
1978 (% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
1979
1980
1981 (% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
1982
1983
1984 (% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
1985
1986
1987 * (((
1988 (% style="color:#037691" %)** Downlink Payload:**
1989 )))
1990
1991 //AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xA5 01**//
1992
1993 // AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xA5 00**//
1994
1995 //AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xA5 number of bytes a b c**//
1996
1997 //AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xA5 03 01 05 0F**//
1998
1999
2000
2001 = 4. Battery & Power Consumption =
2002
2003
2004 SDI-12-LB use ER26500 + SPC1520 battery pack and SDI-12-LS use 3000mAh Recharable Battery with Solar Panel. See below link for detail information about the battery info and how to replace.
2005
2006 [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
2007
2008
2009 = 5. Remote Configure device =
2010
2011 == 5.1 Connect via BLE ==
2012
2013
2014 Please see this instruction for how to configure via BLE: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]
2015
2016
2017 == 5.2 AT Command Set ==
2018
2019
2020
2021 = 6. OTA firmware update =
2022
2023 User can change firmware TS01-LB/LS to:
2024
2025 * Change Frequency band/ region.
2026 * Update with new features.
2027 * Fix bugs.
2028
2029 Firmware and changelog can be downloaded from : **Firmware download link**
2030
2031 Methods to Update Firmware:
2032
2033 * (Recommanded way) OTA firmware update via wireless : **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
2034
2035 * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
2036
2037 = =
2038
2039 = 7. FAQ =
2040
2041 == 7.1 How to use AT Command  via UART to access device? ==
2042
2043
2044 See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
2045
2046
2047 == 7.2 How to update firmware via UART port? ==
2048
2049
2050 See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
2051
2052
2053 == 7.3 How to change the LoRa Frequency Bands/Region? ==
2054
2055
2056 You can follow the instructions for [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]].
2057 When downloading the images, choose the required image file for download. ​
2058
2059
2060 == 7.4 Why is the data uploaded to the LoRaWAN platform node empty and fProt~=0? ==
2061
2062
2063 This is due to The length of bytes sent by the node is limited by the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
2064
2065 Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
2066
2067 [[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
2068
2069 Example:
2070
2071 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20240620145456-1.png?rev=1.1||alt="image-20240620145456-1.png"]]
2072
2073 Please refer to the following command to fix DR
2074
2075 AT+ADR=0
2076
2077 AT+DR=3
2078
2079 Downlink command:
2080
2081 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
2082
2083
2084 = 8. ​Order Info =
2085
2086
2087 (((
2088 **Part Number: (% style="color:blue" %)SDI-12-LB-XX-YY(%%) or (% style="color:blue" %)SDI-12-LS-XX-YY(%%)**
2089 )))
2090
2091 (((
2092 (% style="color:blue" %)**XX**(%%): The default frequency band
2093 )))
2094
2095 (((
2096 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2097 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2098 * (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2099 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2100 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2101 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2102 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2103 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2104 )))
2105
2106 (% style="color:blue" %)**YY: **(%%)The grand connector hole size
2107
2108 * M12: M12 hole
2109 * M16: M16 hole
2110
2111 = 9. Packing Info =
2112
2113
2114 (% style="color:#037691" %)**Package Includes**:
2115
2116 * SDI-12-LB or SDI-12-LS SDI-12 to LoRaWAN Converter x 1
2117
2118 (% style="color:#037691" %)**Dimension and weight**:
2119
2120 * Device Size: cm
2121 * Device Weight: g
2122 * Package Size / pcs : cm
2123 * Weight / pcs : g
2124
2125 = 10. ​Support =
2126
2127
2128 * 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.
2129
2130 * 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 [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]