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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 73.1
edited by Saxer Lin
on 2023/06/26 15:19
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To version 1.1
edited by Xiaoling
on 2023/01/30 10:48
Change comment: There is no comment for this version

Summary

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1 +XWiki.Xiaoling
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1 -(% style="text-align:center" %)
2 -[[image:image-20230131183542-1.jpeg||_mstalt="470678" height="694" width="694"]]
3 -
4 -**Table of Contents：**
5 -
6 -{{toc/}}
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -= 1. Introduction =
21 -
22 -== 1.1 ​What is SDI-12 to LoRaWAN Converter ==
23 -
24 -
25 -(((
26 -The Dragino (% style="color:blue" %)**SDI-12-LB**(%%) is a (% style="color:blue" %)**SDI-12 to LoRaWAN Converter **(%%)designed for Smart Agriculture solution.
27 -)))
28 -
29 -(((
30 -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.
31 -)))
32 -
33 -(((
34 -SDI-12-LB 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.
35 -)))
36 -
37 -(((
38 -The LoRa wireless technology used in SDI-12-LB 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.
39 -)))
40 -
41 -(((
42 -SDI-12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
43 -)))
44 -
45 -(((
46 -Each SDI-12-LB 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.
47 -)))
48 -
49 -
50 -[[image:image-20230201084414-1.png||_mstalt="427765" height="464" width="1108"]]
51 -
52 -
53 -== ​1.2 Features ==
54 -
55 -
56 -* LoRaWAN 1.0.3 Class A
57 -* Ultra-low power consumption
58 -* Controllable 3.3v, 5v and 12v output to power external sensor
59 -* SDI-12 Protocol to connect to SDI-12 Sensor
60 -* Monitor Battery Level
61 -* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
62 -* Support Bluetooth v5.1 and LoRaWAN remote configure.
63 -* Support wireless OTA update firmware
64 -* Uplink on periodically
65 -* Downlink to change configure
66 -* 8500mAh Battery for long term use
67 -
68 -
69 -== 1.3 Specification ==
70 -
71 -
72 -(% style="color:#037691" %)**Micro Controller:**
73 -
74 -* MCU: 48Mhz ARM
75 -* Flash: 256KB
76 -* RAM: 64KB
77 -
78 -(% style="color:#037691" %)**Common DC Characteristics:**
79 -
80 -* Supply Voltage: 2.5v ~~ 3.6v
81 -* Support current: 5V 300mA
82 - 12V 100mA
83 -* Operating Temperature: -40 ~~ 85°C
84 -
85 -(% style="color:#037691" %)**LoRa Spec:**
86 -
87 -* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
88 -* Max +22 dBm constant RF output vs.
89 -* RX sensitivity: down to -139 dBm.
90 -* Excellent blocking immunity
91 -
92 -(% style="color:#037691" %)**Current Input Measuring :**
93 -
94 -* Range: 0 ~~ 20mA
95 -* Accuracy: 0.02mA
96 -* Resolution: 0.001mA
97 -
98 -(% style="color:#037691" %)**Voltage Input Measuring:**
99 -
100 -* Range: 0 ~~ 30v
101 -* Accuracy: 0.02v
102 -* Resolution: 0.001v
103 -
104 -(% style="color:#037691" %)**Battery:**
105 -
106 -* Li/SOCI2 un-chargeable battery
107 -* Capacity: 8500mAh
108 -* Self-Discharge: <1% / Year @ 25°C
109 -* Max continuously current: 130mA
110 -* Max boost current: 2A, 1 second
111 -
112 -(% style="color:#037691" %)**Power Consumption**
113 -
114 -* Sleep Mode: 5uA @ 3.3v
115 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
116 -
117 -
118 -== 1.4 Connect to SDI-12 Sensor ==
119 -
120 -
121 -
122 -[[image:1675212538524-889.png||_mstalt="298272"]]
123 -
124 -
125 -== 1.5 Sleep mode and working mode ==
126 -
127 -
128 -(% 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.
129 -
130 -(% 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.
131 -
132 -
133 -== 1.6 Button & LEDs ==
134 -
135 -
136 -[[image:1675212633011-651.png||_mstalt="291538"]]
137 -
138 -
139 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
140 -|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
141 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 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 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT for more than 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 -|(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% 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 PS-LB-NA is in Deep Sleep Mode.
151 -
152 -
153 -== 1.7 Pin Mapping ==
154 -
155 -
156 -[[image:1675213198663-754.png||_mstalt="297167"]]
157 -
158 -
159 -== 1.8 BLE connection ==
160 -
161 -
162 -SDI-12-LB support BLE remote configure.
163 -
164 -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:
165 -
166 -* Press button to send an uplink
167 -* Press button to active device.
168 -* Device Power on or reset.
169 -
170 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
171 -
172 -
173 -== 1.9 Mechanical ==
174 -
175 -
176 -[[image:image-20230201090139-2.png||_mstalt="428623"]]
177 -
178 -[[image:image-20230201090139-3.png||_mstalt="428987"]]
179 -
180 -[[image:image-20230201090139-4.png||_mstalt="429351"]]
181 -
182 -
183 -= 2. Configure SDI-12 to connect to LoRaWAN network =
184 -
185 -== 2.1 How it works ==
186 -
187 -
188 -The SDI-12-LB 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. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
189 -
190 -
191 -== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
192 -
193 -
194 -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.
195 -
196 -
197 -[[image:image-20230201090528-5.png||_mstalt="430300" height="465" width="1111"]]
198 -
199 -
200 -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.
201 -
202 -
203 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from SDI-12-LB.
204 -
205 -Each SDI-12-LB is shipped with a sticker with the default device EUI as below:
206 -
207 -
208 -[[image:image-20230426084456-1.png||height="241" width="519"]]
209 -
210 -
211 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
212 -
213 -
214 -(% style="color:blue" %)**Register the device**
215 -
216 -[[image:1675213652444-622.png||_mstalt="293657"]]
217 -
218 -
219 -(% style="color:blue" %)**Add APP EUI and DEV EUI**
220 -
221 -
222 -[[image:1675213661769-223.png||_mstalt="295217"]]
223 -
224 -
225 -(% style="color:blue" %)**Add APP EUI in the application**
226 -
227 -
228 -[[image:1675213675852-577.png||_mstalt="297947"]]
229 -
230 -
231 -(% style="color:blue" %)**Add APP KEY**
232 -
233 -[[image:1675213686734-883.png||_mstalt="298064"]]
234 -
235 -
236 -(% style="color:blue" %)**Step 2**(%%): Activate on SDI-12-LB
237 -
238 -
239 -Press the button for 5 seconds to activate the SDI-12-LB.
240 -
241 -(% 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.
242 -
243 -
244 -[[image:1675213704414-644.png||_mstalt="293748"]]
245 -
246 -
247 -== ​2.3 SDI-12 Related Commands ==
248 -
249 -
250 -User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
251 -
252 -
253 -=== 2.3.1 Basic SDI-12 debug command ===
254 -
255 -
256 -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.
257 -
258 -If SDI-12 sensor return value after get these commands, //SDI-12-LB// will uplink the return on FPORT=100, otherwise, if there is no response from SDI-12 sensor. //SDI-12-LB// will uplink NULL (0x 4E 55 4C 4C) to server.
259 -
260 -The following is the display information on the serial port and the server.
261 -
262 -
263 -[[image:image-20230201091027-6.png||_mstalt="429065"]]
264 -
265 -
266 -[[image:image-20230201091027-7.png||_mstalt="429429" height="261" width="1179"]]
267 -
268 -
269 -
270 -==== (% style="color:blue" %)**al!  ~-~- Get SDI-12 sensor Identification**(%%) ====
271 -
272 -
273 -* AT Command: AT+ADDRI=aa
274 -* LoRaWAN Downlink(prefix 0xAA00): AA 00 aa
275 -
276 -(% style="color:#037691" %)**Parameter:  **(%%)aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
277 -
278 -(% style="color:blue" %)**Example :   **(%%)AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
279 -
280 -
281 -The following is the display information on the serial port and the server.
282 -
283 -
284 -[[image:image-20230201091257-8.png||_mstalt="431392"]]
285 -
286 -
287 -[[image:image-20230201091257-9.png||_mstalt="431756" height="225" width="1242"]]
288 -
289 -
290 -==== (% style="color:blue" %)**aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!**(%%) ====
291 -
292 -
293 -(% style="color:red" %)**aM! **(%%): Start Non-Concurrent Measurement
294 -
295 -(% style="color:red" %)**aMC! **(%%): Start Non-Concurrent Measurement – Request CRC
296 -
297 -(% style="color:red" %)**aM1!- aM9! **(%%): Additional Measurements
298 -
299 -(% style="color:red" %)**aMC1!- aMC9!**(%%) : Additional Measurements – Request CRC
300 -
301 -
302 -* AT Command : AT+ADDRM=0,1,0,1
303 -
304 -* LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
305 -
306 -Downlink：AA 01 aa bb cc dd
307 -
308 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
309 -
310 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
311 -
312 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
313 -
314 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
315 -
316 -
317 -The following is the display information on the serial port and the server.
318 -
319 -
320 -[[image:image-20230201091630-10.png||_mstalt="449995"]]
321 -
322 -
323 -[[image:image-20230201091630-11.png||_mstalt="450372" height="247" width="1165"]]
324 -
325 -
326 -
327 -==== (% style="color:blue" %)**aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! **(%%) ====
328 -
329 -
330 -(% style="color:red" %)**aC!**(%%) : Start Concurrent Measurement
331 -
332 -(% style="color:red" %)**aCC!** (%%): Start Concurrent Measurement – Request CRC
333 -
334 -(% style="color:red" %)**aC1!- aC9!**(%%) : Start Additional Concurrent Measurements
335 -
336 -(% style="color:red" %)**aCC1!- aCC9!**(%%) : Start Additional Concurrent Measurements – Request CRC
337 -
338 -
339 -* AT Command : AT+ADDRC=0,1,0,1 
340 -
341 -* LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
342 -
343 -Downlink: AA 02 aa bb cc dd
344 -
345 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
346 -
347 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
348 -
349 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
350 -
351 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%)__ __to get return.
352 -
353 -
354 -The following is the display information on the serial port and the server.
355 -
356 -
357 -[[image:image-20230201091954-12.png||_mstalt="453687"]]
358 -
359 -
360 -[[image:image-20230201091954-13.png||_mstalt="454064" height="203" width="1117"]]
361 -
362 -
363 -
364 -
365 -==== (% style="color:blue" %)**aR0!- aR9!,  aRC0!- aRC9!**(%%) ====
366 -
367 -
368 -Start Continuous Measurement
369 -
370 -Start Continuous Measurement – Request CRC
371 -
372 -
373 -* AT Command : AT+ADDRR=0,1,0,1 
374 -* LoRaWAN Downlink (0xAA 03): 0xAA 03 30 01 00 01
375 -
376 -Downlink: AA 03 aa bb cc dd
377 -
378 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
379 -
380 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
381 -
382 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
383 -
384 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
385 -
386 -
387 -The following is the display information on the serial port and the server.
388 -
389 -
390 -[[image:image-20230201092208-14.png||_mstalt="452283"]]
391 -
392 -
393 -[[image:image-20230201092208-15.png||_mstalt="452660" height="214" width="1140"]]
394 -
395 -
396 -=== 2.3.2 Advance SDI-12 Debug command ===
397 -
398 -
399 -This command can be used to debug all SDI-12 command.
400 -
401 -
402 -LoRaWAN Downlink: A8 aa xx xx xx xx bb cc dd
403 -
404 -(% style="color:#037691" %)**aa **(%%): total SDI-12 command length
405 -
406 -(% style="color:#037691" %)**xx **(%%): SDI-12 command
407 -
408 -(% style="color:#037691" %)**bb **(%%): Delay to wait for return
409 -
410 -(% style="color:#037691" %)**cc **(%%): 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
411 -
412 -(% style="color:#037691" %)**dd: **(%%) 0: Do not use aD0! command access, 1: use aD0! command access.
413 -
414 -
415 -(% style="color:blue" %)**Example1: **(%%) AT+CFGDEV =0RC0!,1
416 -
417 -(% style="color:#037691" %)**0RC0! **(%%): SDI-12 Command,
418 -
419 -(% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
420 -
421 -Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
422 -
423 -
424 -The following is the display information on the serial port and the server.
425 -
426 -
427 -[[image:image-20230201092355-16.png||_mstalt="453960"]]
428 -
429 -
430 -[[image:image-20230201092355-17.png||_mstalt="454337" height="426" width="1135"]]
431 -
432 -
433 -(% style="color:blue" %)**Example2: **(%%) AT+CFGDEV =0M!,1,1  or  AT+CFGDEV =0C!,1,1
434 -
435 -(% style="color:#037691" %)**0M! **(%%): SDI-12 Command,
436 -
437 -(% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
438 -
439 -(% style="color:#037691" %)**1 **(%%):Use aD0! command access.
440 -
441 -Equal Downlink: 0xA8 03 30  4D 21 01 01 01
442 -
443 -
444 -=== 2.3.3 Convert ASCII to String ===
445 -
446 -
447 -This command is used to convert between ASCII and String format.
448 -
449 -AT+CONVFORM ( Max length: 80 bytes)
450 -
451 -
452 -(% style="color:blue" %)**Example:**
453 -
454 -1) AT+CONVFORM=0, string Convert String from String to ASCII
455 -
456 -[[image:1675214845056-885.png||_mstalt="297622"]]
457 -
458 -
459 -2) AT+CONVFORM=1, ASCII Convert ASCII to String.
460 -
461 -[[image:1675214856590-846.png||_mstalt="297739"]]
462 -
463 -
464 -=== 2.3.4 Define periodically SDI-12 commands and uplink. ===
465 -
466 -
467 -AT+COMMANDx & AT+DATACUTx
468 -
469 -User can define max 15 SDI-12 Commands (AT+COMMAND1 ~~ AT+COMMANDF). On each uplink period (TDC time, default 20 minutes), SDI-12-LB will send these SDI-12 commands and wait for return from SDI-12 sensors. SDI-12-LB will then combine these returns and uplink via LoRaWAN.
470 -
471 -
472 -* (% style="color:blue" %)**AT Command:**
473 -
474 -(% style="color:#037691" %)**AT+COMMANDx=var1,var2,var3,var4.**
475 -
476 -(% style="color:red" %)**var1**(%%): SDI-12 command , for example: 0RC0!
477 -
478 -(% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
479 -
480 -(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
481 -
482 -(% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB will resend this command. Max 3 retries.
483 -
484 -(% style="color:red" %)**0 **(%%) No validation check;
485 -
486 -(% style="color:red" %)**1** (%%) Check if return chars are printable char(0x20 ~~ 0x7E);
487 -
488 -(% style="color:red" %)**2**(%%)  Check if there is return from SDI-12 sensor
489 -
490 -(% style="color:red" %)**3** (%%) Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
491 -
492 -
493 -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.
494 -
495 -
496 -(% style="color:blue" %)**AT+DATACUTx**(%%) : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
497 -
498 -(% border="1" style="width:436px" %)
499 -|(% style="background-color:#f2f2f2; width:433px" %)(((
500 -(% style="color:#0070c0" %)**AT+DATACUTx=a,b,c**
501 -
502 -**a**:  length for the return of AT+COMMAND
503 -
504 -**b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
505 -
506 -**c**:  define the position for valid value. 
507 -)))
508 -
509 -For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
510 -
511 -
512 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
513 -|=(% style="width: 164px;background-color:#D9E2F3;color:#0070C0" %)**AT+DATACUT1 value**|=(% style="width: 344px;background-color:#D9E2F3;color:#0070C0" %)**Final Result to combine Payload**
514 -|(% style="background-color:#f2f2f2; width:164px" %)34,1,1+2+3|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33
515 -|(% 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
516 -|(% 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
517 -
518 -* (% style="color:blue" %)** Downlink Payload:**
519 -
520 -(% style="color:blue" %)**0xAF**(%%)  downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
521 -
522 -
523 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
524 -
525 -
526 -Format: ** (% style="color:#037691" %)AF MM NN LL XX XX XX XX YY(%%)**
527 -
528 -Where:
529 -
530 -* (% style="color:#037691" %)**MM **(%%): the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
531 -* (% style="color:#037691" %)**NN **(%%):  1: set the AT+COMMAND value ; 2: set the AT+DATACUT value.
532 -* (% style="color:#037691" %)**LL **(%%):  The length of AT+COMMAND or AT+DATACUT command
533 -* (% style="color:#037691" %)**XX XX XX XX **(%%): AT+COMMAND or AT+DATACUT command
534 -* (% style="color:#037691" %)**YY **(%%):  If YY=0, SDI-12-LB will execute the downlink command without uplink; if YY=1, SDI-12-LB will execute an uplink after got this command. 
535 -
536 -(% style="color:blue" %)**Example:**
537 -
538 -[[image:image-20230201094129-18.png||_mstalt="455065"]]
539 -
540 -
541 -
542 -(% style="color:blue" %)**Clear SDI12 Command**
543 -
544 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
545 -
546 -
547 -* (% style="color:#037691" %)**AT Command:**
548 -
549 -(% style="color:#4f81bd" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
550 -
551 -
552 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
553 -
554 -
555 -* (% style="color:#037691" %)** Downlink Payload:**
556 -
557 -(% style="color:#4f81bd" %)**0x09 aa bb**(%%)  same as AT+CMDEAR=aa,bb
558 -
559 -
560 -
561 -(% style="color:blue" %)**command combination**
562 -
563 -Below shows a screen shot how the results combines together to a uplink payload.
564 -
565 -[[image:1675215745275-920.png||_mstalt="295334"]]
566 -
567 -
568 -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.
569 -
570 -(% 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.
571 -
572 -
573 -(% 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.
574 -
575 -
576 -[[image:1675215782925-448.png||_mstalt="297466"]]
577 -
578 -
579 -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.
580 -
581 -
582 -
583 -(% style="color:blue" %)**Compose Uplink**
584 -
585 -(% style="color:#4f81bd" %)**AT+DATAUP=0**
586 -
587 -Compose the uplink payload with value returns in sequence and send with **__A SIGNLE UPLINK__**.
588 -
589 -Final Payload is **__Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx__**
590 -
591 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
592 -
593 -
594 -[[image:1675215828102-844.png||_mstalt="294645"]]
595 -
596 -
597 -(% style="color:#4f81bd" %)**AT+DATAUP=1**
598 -
599 -Compose the uplink payload with value returns in sequence and send with **__Multiply UPLINKs__**.
600 -
601 -Final Payload is __**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
602 -
603 -1. Battery Info (2 bytes): Battery voltage
604 -1. PAYVER (1 byte): Defined by AT+PAYVER
605 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
606 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
607 -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
608 -
609 -[[image:1675215848113-696.png||_mstalt="296998"]]
610 -
611 -
612 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
613 -
614 -* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
615 -* For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
616 -* For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
617 -* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
618 -
619 -(% style="color:red" %)**When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
620 -
621 -(% 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.**
622 -
623 -
624 -== 2.4 Uplink Payload ==
625 -
626 -=== 2.4.1 Device Payload, FPORT~=5 ===
627 -
628 -
629 -Include device configure status. Once SDI-12-LB Joined the network, it will uplink this message to the server.
630 -
631 -Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
632 -
633 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
634 -|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
635 -|(% 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**
636 -|(% 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
637 -
638 -Example parse in TTNv3
639 -
640 -[[image:1675215946738-635.png||_mstalt="297778"]]
641 -
642 -
643 -(% style="color:#037691" %)**Sensor Model**(%%): For SDI-12-LB, this value is 0x17
644 -
645 -(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
646 -
647 -(% style="color:#037691" %)**Frequency Band**:
648 -
649 -*0x01: EU868
650 -
651 -*0x02: US915
652 -
653 -*0x03: IN865
654 -
655 -*0x04: AU915
656 -
657 -*0x05: KZ865
658 -
659 -*0x06: RU864
660 -
661 -*0x07: AS923
662 -
663 -*0x08: AS923-1
664 -
665 -*0x09: AS923-2
666 -
667 -*0x0a: AS923-3
668 -
669 -*0x0b: CN470
670 -
671 -*0x0c: EU433
672 -
673 -*0x0d: KR920
674 -
675 -*0x0e: MA869
676 -
677 -
678 -(% style="color:#037691" %)**Sub-Band**:
679 -
680 -AU915 and US915:value 0x00 ~~ 0x08
681 -
682 -CN470: value 0x0B ~~ 0x0C
683 -
684 -Other Bands: Always 0x00
685 -
686 -
687 -(% style="color:#037691" %)**Battery Info**:
688 -
689 -Check the battery voltage.
690 -
691 -Ex1: 0x0B45 = 2885mV
692 -
693 -Ex2: 0x0B49 = 2889mV
694 -
695 -
696 -=== 2.4.2 Uplink Payload, FPORT~=2 ===
697 -
698 -
699 -There are different cases for uplink. See below
700 -
701 -* SDI-12 Debug Command return: FPORT=100
702 -
703 -* Periodically Uplink: FPORT=2
704 -
705 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
706 -|=(% style="width: 90px;background-color:#D9E2F3" %)(((
707 -**Size(bytes)**
708 -)))|=(% style="width: 80px;background-color:#D9E2F3" %)**2**|=(% style="width: 90px;background-color:#D9E2F3" %)**1**|=(% style="width: 240px;background-color:#D9E2F3" %)**Length depends on the return from the commands**
709 -|(% style="width:93px" %)**Value**|(% style="width:83px" %)(((
710 -Battery(mV)
711 -&
712 -Interrupt_Flag
713 -)))|(% style="width:91px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:212px" %)(((
714 -If the valid payload is too long and exceed the maximum support.
715 -Payload length in server,server will show payload not provided in the LoRaWAN server.
716 -)))
717 -
718 -[[image:1675216282284-923.png||_mstalt="295633"]]
719 -
720 -
721 -=== 2.4.3 Battery Info ===
722 -
723 -
724 -Check the battery voltage for SDI-12-LB.
725 -
726 -Ex1: 0x0B45 = 2885mV
727 -
728 -Ex2: 0x0B49 = 2889mV
729 -
730 -
731 -=== 2.4.4 Interrupt Pin ===
732 -
733 -
734 -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"]].
735 -
736 -**Example:**
737 -
738 -Ex1: 0x0B45:0x0B&0x80= 0x00    Normal uplink packet.
739 -
740 -Ex2: 0x8B49:0x8B&0x80= 0x80    Interrupt Uplink Packet.
741 -
742 -
743 -=== 2.4.5 Payload version ===
744 -
745 -
746 -The version number of the payload, mainly used for decoding. The default is 01.
747 -
748 -
749 -=== 2.4.6 ​Decode payload in The Things Network ===
750 -
751 -
752 -While using TTN network, you can add the payload format to decode the payload.
753 -
754 -[[image:1675216779406-595.png||_mstalt="298376"]]
755 -
756 -
757 -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.
758 -
759 -SDI-12-LB TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
760 -
761 -
762 -== 2.5 Uplink Interval ==
763 -
764 -
765 -The SDI-12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
766 -
767 -[[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]]
768 -
769 -
770 -== 2.6 Examples To Set SDI commands ==
771 -
772 -=== 2.6.1 Examples 1 ~-~- General Example ===
773 -
774 -
775 -COM port and SDI-12 sensor communication converted to SDI-12-LB and SDI-12 sensor communication.
776 -
777 -[[image:image-20230222143809-1.png||_mstalt="429962" height="564" width="729"]]
778 -
779 -
780 -(% style="color:blue" %)**1) The AT+COMMANDx command is applied to the red arrow part, and sends the SDI12 command to the SDI12 sensor:**
781 -
782 -a. Send the first command and get the first reply：
783 -
784 -(% style="color:#037691" %)**AT+COMMANDx=1I!,0,0,1**
785 -
786 -b. Send the second command and get the second reply：
787 -
788 -(% style="color:#037691" %)**AT+COMMANDx=2I!,0,0,1**
789 -
790 -c. Send the third command and get the third reply：
791 -
792 -(% style="color:#037691" %)**AT+COMMANDx=3I!,0,0,1**
793 -
794 -d. Send the fourth command and get the fourth reply：
795 -
796 -(% style="color:#037691" %)**AT+COMMANDx=4I!,0,0,1**
797 -
798 -e. Send the fifth command plus the sixth command, get the sixth reply：
799 -
800 -(% style="color:#037691" %)**AT+COMMANDx=1M!,2,1,1**
801 -
802 -f. Send the seventh command plus the eighth command, get the eighth reply：
803 -
804 -(% style="color:#037691" %)**AT+COMMANDx=2M!,2,1,1**
805 -
806 -g. Send the ninth command plus the tenth command, get the tenth reply：
807 -
808 -(% style="color:#037691" %)**AT+COMMANDx=3M!,1,1,1**
809 -
810 -h. Send the eleventh command plus the twelfth command, get the twelfth reply：
811 -
812 -(% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
813 -
814 -
815 -(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor：**
816 -
817 -a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
818 -
819 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**(% style="color:#037691" %);
820 -
821 -b. The sixth reply, all 31 characters：”1+19210+1.04+0.00+22.49+11.75<CR><LF>”
822 -
823 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
824 -
825 -c. The eighth reply, all 31 characters：”2+18990+1.08+0.00+22.24+11.80<CR><LF>”
826 -
827 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
828 -
829 -d. The tenth reply, all 15 characters：”3-2919.8+24.0<CR><LF>”
830 -
831 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**(% style="color:#037691" %);
832 -
833 -e. The twelfth reply, all 25 characters：”4+30.8+22.84+4.7+954.38<CR><LF>”
834 -
835 -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”**.
836 -
837 -
838 -=== 2.6.2 Example 2 ~-~- Connect to Hygrovue10 ===
839 -
840 -==== 2.6.2.1 Reference Manual and Command ====
841 -
842 -
843 -* [[Hygrovue10 Product Page>>https://www.campbellsci.com/hygrovue10]]
844 -
845 -* Commands to be used in PC and output.
846 -
847 -~1. check device address
848 -
849 -2. change device address
850 -
851 -3. check device ID
852 -
853 -4. start measure
854 -
855 -5. Get Meausre result
856 -
857 -[[image:image-20230603120209-2.png||height="281" width="267"]]
858 -
859 -
860 -==== 2.6.2.2 Hardware Connection to SDI-12-LB ====
861 -
862 -
863 -[[image:image-20230603120515-3.png]]
864 -
865 -
866 -==== 2.6.2.3 Commands set in SDI-12-LB and uplink payload ====
867 -
868 -
869 -[[image:image-20230603120648-4.png]]
870 -
871 -[[image:image-20230603120726-5.png]]
872 -
873 -
874 -**Data in TTN:**
875 -
876 -[[image:image-20230603120859-6.png||height="118" width="1285"]]
877 -
878 -
879 -=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.3 Example 3 ~-~- Connect to SIL-400 ===
880 -
881 -==== 2.6.3.1 Reference Manual and Command ====
882 -
883 -
884 -* [[SIL-400 Product Page>>https://www.apogeeinstruments.com/sil-411-commercial-grade-sdi-12-digital-output-standard-field-of-view-infrared-radiometer-sensor/]]
885 -
886 -* Commands to be used in PC and output.
887 -
888 -~1. check device address
889 -
890 -2. change device address
891 -
892 -3. check device ID
893 -
894 -4. start measure
895 -
896 -5. Get Meausre result
897 -
898 -[[image:image-20230603121606-7.png||height="242" width="307"]]
899 -
900 -
901 -==== 2.6.3.2 Hardware Connection to SDI-12-LB ====
902 -
903 -
904 -[[image:image-20230603121643-8.png||height="442" width="656"]]
905 -
906 -
907 -==== 2.6.3.3 Commands set in SDI-12-LB and uplink payload ====
908 -
909 -
910 -[[image:image-20230603121721-9.png]]
911 -
912 -[[image:image-20230603121752-10.png]]
913 -
914 -Data in TTN:
915 -
916 -[[image:image-20230603121826-11.png||height="155" width="1104"]]
917 -
918 -
919 -
920 -=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.4 Example 4 ~-~- Connect to TEROS-12 ===
921 -
922 -==== 2.6.4.1 Reference Manual and Command ====
923 -
924 -
925 -* [[TEROS-12 Product Page>>https://www.metergroup.com/en/meter-environment/products/teros-12-soil-moisture-sensor]]
926 -
927 -* Commands to be used in PC and output.
928 -
929 -1.check device address
930 -
931 -2.change device address
932 -
933 -3.check device ID
934 -
935 -4.start measure
936 -
937 -5.Get Meausre result
938 -
939 -[[image:image-20230603122248-16.png||height="196" width="198"]]
940 -
941 -
942 -==== 2.6.4.2 Hardware Connection to SDI-12-LB ====
943 -
944 -
945 -[[image:image-20230603122212-15.png||height="502" width="667"]]
946 -
947 -
948 -==== 2.6.4.3 Commands set in SDI-12-LB and uplink payload ====
949 -
950 -[[image:image-20230603122040-12.png]]
951 -
952 -[[image:image-20230603122109-13.png||height="469" width="762"]]
953 -
954 -
955 -**Data in TTN:**
956 -
957 -[[image:image-20230603122139-14.png||height="148" width="1128"]]
958 -
959 -
960 -=== (% id="cke_bm_1489640S" style="display:none" %) (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.5 Example 5 ~-~- Connect to SIL-400/TEROS-12 & Hygrovue10 ===
961 -
962 -==== 2.6.5.1 Important Notice! ====
963 -
964 -
965 -* The product page and reference command see above example 2,3,4
966 -
967 -* 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.
968 -
969 -* 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.
970 -
971 -* If these SDI-12 sensors are powered by external power source. It will add 300uA in the total current in SDI-12-LB.
972 -
973 -
974 -==== 2.6.5.2 Hardware Connection to SDI-12-LB ====
975 -
976 -
977 -[[image:image-20230603122508-17.png||height="526" width="742"]]
978 -
979 -
980 -==== 2.6.5.3 Commands set in SDI-12-LB and uplink payload ====
981 -
982 -
983 -[[image:image-20230603122549-18.png]]
984 -
985 -[[image:image-20230603122623-19.png||height="483" width="1121"]]
986 -
987 -
988 -**Data in TTN:**
989 -
990 -[[image:image-20230603122719-20.png||height="151" width="1179"]]
991 -
992 -
993 -== 2.7 Frequency Plans ==
994 -
995 -
996 -The SDI-12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
997 -
998 -[[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/]]
999 -
1000 -
1001 -== 2.8 Firmware Change Log ==
1002 -
1003 -
1004 -**Firmware download link:**
1005 -
1006 -[[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
1007 -
1008 -
1009 -= 3. Configure SDI-12-LB via AT Command or LoRaWAN Downlink =
1010 -
1011 -
1012 -Use can configure SDI-12-LB via AT Command or LoRaWAN Downlink.
1013 -
1014 -* AT Command Connection: See [[FAQ>>||anchor="H7.FAQ"]].
1015 -* LoRaWAN Downlink instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
1016 -
1017 -There are two kinds of commands to configure SDI-12-LB, they are:
1018 -
1019 -* (% style="color:blue" %)**General Commands**.
1020 -
1021 -These commands are to configure:
1022 -
1023 -* General system settings like: uplink interval.
1024 -* LoRaWAN protocol & radio related command.
1025 -
1026 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
1027 -
1028 -[[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/]]
1029 -
1030 -
1031 -* (% style="color:blue" %)**Commands special design for SDI-12-LB**
1032 -
1033 -These commands only valid for SDI-12-LB, as below:
1034 -
1035 -
1036 -== 3.1 Set Transmit Interval Time ==
1037 -
1038 -
1039 -Feature: Change LoRaWAN End Node Transmit Interval.
1040 -
1041 -(% style="color:blue" %)**AT Command: AT+TDC**
1042 -
1043 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1044 -|=(% style="width: 160px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 160px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1045 -|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
1046 -30000
1047 -OK
1048 -the interval is 30000ms = 30s
1049 -)))
1050 -|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=60000|(% style="background-color:#f2f2f2; width:166px" %)Set Transmit Interval|(% style="background-color:#f2f2f2" %)(((
1051 -OK
1052 -Set transmit interval to 60000ms = 60 seconds
1053 -)))
1054 -
1055 -(% style="color:blue" %)**Downlink Command: 0x01**
1056 -
1057 -
1058 -Format: Command Code (0x01) followed by 3 bytes time value.
1059 -
1060 -If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1061 -
1062 -* Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1063 -* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1064 -
1065 -
1066 -== 3.2 Set Interrupt Mode ==
1067 -
1068 -
1069 -Feature, Set Interrupt mode for GPIO_EXIT.
1070 -
1071 -(% style="color:blue" %)**AT Command: AT+INTMOD**
1072 -
1073 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1074 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1075 -|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
1076 -0
1077 -OK
1078 -the mode is 0 =Disable Interrupt
1079 -)))
1080 -|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=2|(% style="background-color:#f2f2f2; width:196px" %)(((
1081 -Set Transmit Interval
1082 -0. (Disable Interrupt),
1083 -~1. (Trigger by rising and falling edge)
1084 -2. (Trigger by falling edge)
1085 -3. (Trigger by rising edge)
1086 -)))|(% style="background-color:#f2f2f2; width:157px" %)OK
1087 -
1088 -(% style="color:blue" %)**Downlink Command: 0x06**
1089 -
1090 -Format: Command Code (0x06) followed by 3 bytes.
1091 -
1092 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1093 -
1094 -* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
1095 -* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1096 -
1097 -
1098 -== 3.3 Set the output time ==
1099 -
1100 -
1101 -Feature, Control the output 3V3 , 5V or 12V.
1102 -
1103 -(% style="color:blue" %)**AT Command: AT+3V3T**
1104 -
1105 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:474px" %)
1106 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 201px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 116px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1107 -|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
1108 -0
1109 -OK
1110 -)))
1111 -|(% 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" %)(((
1112 -OK
1113 -default setting
1114 -)))
1115 -|(% 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" %)(((
1116 -OK
1117 -)))
1118 -|(% 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" %)(((
1119 -OK
1120 -)))
1121 -
1122 -(% style="color:blue" %)**AT Command: AT+5VT**
1123 -
1124 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
1125 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 114px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1126 -|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((
1127 -0
1128 -OK
1129 -)))
1130 -|(% 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" %)(((
1131 -OK
1132 -default setting
1133 -)))
1134 -|(% 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" %)(((
1135 -OK
1136 -)))
1137 -|(% 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" %)(((
1138 -OK
1139 -)))
1140 -
1141 -(% style="color:blue" %)**AT Command: AT+12VT **
1142 -
1143 -(% style="color:blue" %)**（The v1.2 version is enabled for 1 second by default, and the version below v1.2 is disabled by default）**
1144 -
1145 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:443px" %)
1146 -|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 199px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 83px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1147 -|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((
1148 -0
1149 -OK
1150 -)))
1151 -|(% 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
1152 -|(% 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" %)(((
1153 -OK
1154 -)))
1155 -
1156 -(% style="color:blue" %)**Downlink Command: 0x07**
1157 -
1158 -Format: Command Code (0x07) followed by 3 bytes.
1159 -
1160 -The first byte is which power, the second and third bytes are the time to turn on.
1161 -
1162 -* Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
1163 -* Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
1164 -* Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
1165 -* Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
1166 -* Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
1167 -* Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
1168 -
1169 -
1170 -== 3.4 Set the all data mode ==
1171 -
1172 -
1173 -Feature, Set the all data mode.
1174 -
1175 -(% style="color:blue" %)**AT Command: AT+ALLDATAMOD**
1176 -
1177 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1178 -|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1179 -|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=?|(% style="background-color:#f2f2f2" %)Show current all data mode|(% style="background-color:#f2f2f2" %)(((
1180 -0
1181 -OK
1182 -)))
1183 -|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=1|(% style="background-color:#f2f2f2" %)Set all data mode is 1.|(% style="background-color:#f2f2f2" %)OK
1184 -
1185 -(% style="color:blue" %)**Downlink Command: 0xAB**
1186 -
1187 -Format: Command Code (0xAB) followed by 1 bytes.
1188 -
1189 -* Example 1: Downlink Payload: AB 00  ~/~/  AT+ALLDATAMOD=0
1190 -* Example 2: Downlink Payload: AB 01  ~/~/  AT+ALLDATAMOD=1
1191 -
1192 -
1193 -== 3.5 Set the splicing payload for uplink ==
1194 -
1195 -
1196 -Feature, splicing payload for uplink.
1197 -
1198 -(% style="color:blue" %)**AT Command: AT+DATAUP**
1199 -
1200 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1201 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 266px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1202 -|(% 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" %)(((
1203 -0
1204 -OK
1205 -)))
1206 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =0|(% style="background-color:#f2f2f2; width:266px" %)(((
1207 -Set splicing payload for uplink mode is 0.
1208 -)))|(% style="background-color:#f2f2f2" %)(((
1209 -OK
1210 -)))
1211 -|(% 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
1212 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1,20000|(% style="background-color:#f2f2f2; width:266px" %)(((
1213 -Set splicing payload for uplink mode is 1, and the uplink interval of each splice to 20000 milliseconds.
1214 -)))|(% style="background-color:#f2f2f2" %)OK
1215 -
1216 -(% style="color:blue" %)**Downlink Command: 0xAD**
1217 -
1218 -Format: Command Code (0xAD) followed by 1 bytes or 5 bytes.
1219 -
1220 -* Example 1: Downlink Payload: AD 00  ~/~/  AT+DATAUP=0
1221 -* Example 2: Downlink Payload: AD 01  ~/~/  AT+DATAUP =1
1222 -* Example 3: Downlink Payload: AD 01 00 00 14  ~/~/  AT+DATAUP =1,20000
1223 -
1224 -This means that the interval is set to 0x000014=20S
1225 -
1226 -
1227 -== 3.6 Set the payload version ==
1228 -
1229 -
1230 -Feature, Set the payload version.
1231 -
1232 -(% style="color:blue" %)**AT Command: AT+PAYVER**
1233 -
1234 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1235 -|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 192px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1236 -|(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=?|(% style="background-color:#f2f2f2; width:192px" %)Show current payload version|(% style="background-color:#f2f2f2" %)(((
1237 -1
1238 -OK
1239 -)))
1240 -|(% 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
1241 -
1242 -(% style="color:blue" %)**Downlink Command: 0xAE**
1243 -
1244 -Format: Command Code (0xAE) followed by 1 bytes.
1245 -
1246 -* Example 1: Downlink Payload: AE 01  ~/~/  AT+PAYVER=1
1247 -* Example 2: Downlink Payload: AE 05  ~/~/  AT+PAYVER=5
1248 -
1249 -
1250 -= 4. Battery & Power Consumption =
1251 -
1252 -
1253 -SDI-12-LB uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1254 -
1255 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
1256 -
1257 -
1258 -= 5. Remote Configure device =
1259 -
1260 -== 5.1 Connect via BLE ==
1261 -
1262 -
1263 -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/]]
1264 -
1265 -
1266 -== 5.2 AT Command Set ==
1267 -
1268 -
1269 -
1270 -= 6. OTA firmware update =
1271 -
1272 -
1273 -Please see this link for how to do OTA firmware update.
1274 -
1275 -[[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/]]
1276 -
1277 -
1278 -= 7. FAQ =
1279 -
1280 -== 7.1 How to use AT Command  via UART to access device? ==
1281 -
1282 -
1283 -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]]
1284 -
1285 -
1286 -== 7.2 How to update firmware via UART port? ==
1287 -
1288 -
1289 -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]]
1290 -
1291 -
1292 -== 7.3 How to change the LoRa Frequency Bands/Region? ==
1293 -
1294 -
1295 -You can follow the instructions for [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]].
1296 -When downloading the images, choose the required image file for download. ​
1297 -
1298 -
1299 -= 8. ​Order Info =
1300 -
1301 -
1302 -(((
1303 -(% style="color:blue" %)**Part Number: SDI-12-LB-XXX**
1304 -)))
1305 -
1306 -(((
1307 -XXX: The default frequency band
1308 -)))
1309 -
1310 -(((
1311 -(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1312 -(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1313 -(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1314 -(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1315 -(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1316 -(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1317 -(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1318 -(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1319 -)))
1320 -
1321 -
1322 -= 9. Packing Info =
1323 -
1324 -
1325 -(% style="color:#037691" %)**Package Includes**:
1326 -
1327 -* SDI-12-LB SDI-12 to LoRaWAN Converter x 1
1328 -
1329 -(% style="color:#037691" %)**Dimension and weight**:
1330 -
1331 -* Device Size: cm
1332 -* Device Weight: g
1333 -* Package Size / pcs : cm
1334 -* Weight / pcs : g
1335 -
1336 -
1337 -= 10. ​Support =
1338 -
1339 -
1340 -* 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.
1341 -
1342 -* 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]]
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