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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 36.1
edited by Xiaoling
on 2023/02/01 09:51
Change comment: Uploaded new attachment "1675216282284-923.png", version {1}
To version 27.1
edited by Xiaoling
on 2023/02/01 09:23
Change comment: Uploaded new attachment "image-20230201092355-17.png", version {1}

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... ... @@ -244,7 +244,7 @@
244 244  User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
245 245  
246 246  
247 -=== 2.3.1 Basic SDI-12 debug command ===
247 +=== 2.3.1 ​​​​​​​​​​​​​​Basic SDI-12 debug command ===
248 248  
249 249  
250 250  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.
... ... @@ -275,6 +275,7 @@
275 275  The following is the display information on the serial port and the server.
276 276  
277 277  
278 +
278 278  [[image:image-20230201091257-8.png]]
279 279  
280 280  
... ... @@ -281,54 +281,50 @@
281 281  [[image:image-20230201091257-9.png||height="225" width="1242"]]
282 282  
283 283  
284 -==== **aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!** ====
285 +aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!
285 285  
287 +aM!: Start Non-Concurrent Measurement
286 286  
287 -**aM! **: Start Non-Concurrent Measurement
289 +aMC!: Start Non-Concurrent Measurement – Request CRC
288 288  
289 -**aMC! **: Start Non-Concurrent Measurement – Request CRC
291 +aM1!- aM9!: Additional Measurements
290 290  
291 -**aM1!- aM9! **: Additional Measurements
293 +aMC1!- aMC9!: Additional Measurements – Request CRC
292 292  
293 -**aMC1!- aMC9!** : Additional Measurements – Request CRC
294 294  
295 -
296 296  * AT Command : AT+ADDRM=0,1,0,1
297 297  * LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
298 298  
299 299  Downlink：AA 01 aa bb cc dd
300 300  
301 -**aa**: SDI-12 sensor address.
301 +aa: SDI-12 sensor address.
302 302  
303 -**bb**: 0: no CRC, 1: request CRC
303 +bb: 0: no CRC, 1: request CRC
304 304  
305 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
305 +cc: 1-9: Additional Measurement, 0: no additional measurement
306 306  
307 -**dd**: delay (in second) to send **aD0!** to get return.
307 +dd: delay (in second) to send **aD0!** to get return.
308 308  
309 309  
310 310  The following is the display information on the serial port and the server.
311 311  
312 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
312 312  
313 -[[image:image-20230201091630-10.png]]
314 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
314 314  
315 315  
316 -[[image:image-20230201091630-11.png||height="247" width="1165"]]
317 317  
318 +aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9!
318 318  
320 +aC!: Start Concurrent Measurement
319 319  
320 -==== **aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! ** ====
322 +aCC!: Start Concurrent Measurement – Request CRC
321 321  
324 +aC1!- aC9!: Start Additional Concurrent Measurements
322 322  
323 -**aC!** : Start Concurrent Measurement
326 +aCC1!- aCC9!: Start Additional Concurrent Measurements – Request CRC
324 324  
325 -**aCC!** : Start Concurrent Measurement – Request CRC
326 326  
327 -**aC1!- aC9!** : Start Additional Concurrent Measurements
328 -
329 -**aCC1!- aCC9!** : Start Additional Concurrent Measurements – Request CRC
330 -
331 -
332 332  * AT Command : AT+ADDRC=0,1,0,1 
333 333  
334 334  * LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
... ... @@ -335,29 +335,24 @@
335 335  
336 336  Downlink: AA 02 aa bb cc dd
337 337  
338 -**aa**: SDI-12 sensor address.
335 +aa: SDI-12 sensor address.
339 339  
340 -**bb**: 0: no CRC, 1: request CRC
337 +bb: 0: no CRC, 1: request CRC
341 341  
342 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
339 +cc: 1-9: Additional Measurement, 0: no additional measurement
343 343  
344 -**dd**: delay (in second) to send **aD0!** to get return.
341 +dd: delay (in second) to send **aD0!** to get return.
345 345  
346 346  
347 347  The following is the display information on the serial port and the server.
348 348  
346 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
349 349  
350 -[[image:image-20230201091954-12.png]]
348 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
351 351  
352 352  
353 -[[image:image-20230201091954-13.png||height="203" width="1117"]]
351 +aR0!- aR9!,  aRC0!- aRC9!
354 354  
355 -
356 -(% style="display:none" %) (%%)
357 -
358 -==== **aR0!- aR9!,  aRC0!- aRC9!** ====
359 -
360 -
361 361  Start Continuous Measurement
362 362  
363 363  Start Continuous Measurement – Request CRC
... ... @@ -368,48 +368,46 @@
368 368  
369 369  Downlink: AA 03 aa bb cc dd
370 370  
371 -**aa**: SDI-12 sensor address.
363 +aa: SDI-12 sensor address.
372 372  
373 -**bb**: 0: no CRC, 1: request CRC
365 +bb: 0: no CRC, 1: request CRC
374 374  
375 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
367 +cc: 1-9: Additional Measurement, 0: no additional measurement
376 376  
377 -**dd**: delay (in second) to send **aD0!** to get return.
369 +dd: delay (in second) to send **aD0!** to get return.
378 378  
379 379  
380 380  The following is the display information on the serial port and the server.
381 381  
374 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
382 382  
376 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
383 383  
384 -[[image:image-20230201092208-14.png]]
378 +1.
379 +11.
380 +111. Advance SDI-12 Debug command
385 385  
386 -
387 -[[image:image-20230201092208-15.png||height="214" width="1140"]]
388 -
389 -
390 -=== ​​​​​​​2.3.2 Advance SDI-12 Debug command ===
391 -
392 -
393 393  This command can be used to debug all SDI-12 command.
394 394  
395 395  
396 396  LoRaWAN Downlink: A8 aa xx xx xx xx bb cc
397 397  
398 -**aa **: total SDI-12 command length
387 +(aa: total SDI-12 command length)
399 399  
400 -**xx **: SDI-12 command
389 +(xx: SDI-12 command)
401 401  
402 -**bb **: Delay to wait for return
391 +(bb: Delay to wait for return)
403 403  
404 -**cc **: 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
393 +(cc: 0: don’t uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100)
405 405  
406 406  
407 -**Example: **AT+CFGDEV =0RC0!,1
396 +Example: AT+CFGDEV =0RC0!,1
408 408  
409 -**0RC0! **: SDI-12 Command,
398 +0RC0!: SDI-12 Command,
410 410  
411 -**1 **: Delay 1 second.  ( 0: 810 mini-second)
400 +1: Delay 1 second.  ( 0: 810 mini-second)
412 412  
402 +
413 413  Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
414 414  
415 415  
... ... @@ -416,41 +416,36 @@
416 416  The following is the display information on the serial port and the server.
417 417  
418 418  
419 -[[image:image-20230201092355-16.png]]
409 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
420 420  
411 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
421 421  
422 -​​​​​​​[[image:image-20230201092355-17.png||height="426" width="1135"]]
413 +1.
414 +11.
415 +111. Convert ASCII to String
423 423  
424 -
425 -​​​​​​​
426 -
427 -=== 2.3.3 Convert ASCII to String ===
428 -
429 -
430 430  This command is used to convert between ASCII and String format.
431 431  
419 +
432 432  AT+CONVFORM ( Max length: 80 bytes)
433 433  
422 +Example:
434 434  
435 -**Example:**
424 +1)AT+CONVFORM=0,string   Convert String from String to ASCII
436 436  
437 -1) AT+CONVFORM=0, string Convert String from String to ASCII
426 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
438 438  
439 -[[image:1675214845056-885.png]]
440 440  
429 +2)AT+CONVFORM=1,ASCII   Convert ASCII to String.
441 441  
442 -2) AT+CONVFORM=1, ASCII Convert ASCII to String.
431 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
443 443  
444 -[[image:1675214856590-846.png]]
445 445  
446 446  
435 +1.
436 +11.
437 +111. Define periodically SDI-12 commands and uplink.
447 447  
448 -
449 -​​​​​​​
450 -
451 -=== 2.3.4 Define periodically SDI-12 commands and uplink. ===
452 -
453 -
454 454  AT+COMMANDx & AT+DATACUTx
455 455  
456 456  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.
... ... @@ -460,21 +460,21 @@
460 460  
461 461  **AT+COMMANDx=var1,var2,var3,var4.**
462 462  
463 -**var1**: SDI-12 command , for example: 0RC0!
448 +var1: SDI-12 command , for example: 0RC0!
464 464  
465 -**var2**: Wait timeout for return. (unit: second)
450 +var2: Wait timeout for return. (unit: second)
466 466  
467 -**var3**: Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
452 +var3: Whether to send //addrD0!// to get return after var2 timeout. 0: Don’t Send //addrD0!//; 1: Send //addrD0!//.
468 468  
469 -**var4**: validation check for return. If return invalid, SDI-12-LB will resend this command. Max 2 retries.
454 +var4: validation check for return. If return invalid, SDI-12-LB will resend this command. Max 2 retries.
470 470  
471 -**0 ** No validation check;
456 +0  No validation check;
472 472  
473 -**1**  Check if return chars are printable char(0x20 ~~ 0x7E);
458 +1  Check if return chars are printable char(0x20 ~~ 0x7E);
474 474  
475 -**2**  Check if there is return from SDI-12 sensor
460 +2  Check if there is return from SDI-12 sensor
476 476  
477 -**3**  Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
462 +3  Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
478 478  
479 479  
480 480  Each AT+COMMANDx is followed by a **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.
... ... @@ -482,25 +482,23 @@
482 482  
483 483  **AT+DATACUTx** : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
484 484  
485 -(% border="1" style="background-color:#f7faff; width:436px" %)
486 -|(% style="width:433px" %)(((
487 -**AT+DATACUTx=a,b,c**
470 +|(((
471 +AT+DATACUTx=a,b,c
488 488  
489 -**a**:  length for the return of AT+COMMAND
473 +a: length for the return of AT+COMMAND
490 490  
491 -**b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
475 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
492 492  
493 -**c**:  define the position for valid value. 
477 +c: define the position for valid value. 
494 494  )))
495 495  
496 -For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895” , Below AT+DATACUT1 will get different result to combine payload:
480 +For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895” ,. Below AT+DATACUT1 will get different result to combine payload:
497 497  
498 498  
499 -(% border="1" cellspacing="4" style="background-color:#f7faff; width:510px" %)
500 -|(% style="width:170px" %)**AT+DATACUT1 value**|(% style="width:338px" %)**Final Result to combine Payload**
501 -|(% style="width:170px" %)34,1,1+2+3|(% style="width:338px" %)0D 00 01 30 31 33
502 -|(% style="width:170px" %)34,2,1~~8+12~~16|(% style="width:338px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
503 -|(% style="width:170px" %)34,2,1~~34|(% style="width:338px" %)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
483 +|AT+DATACUT1 value|Final Result to combine Payload
484 +|34,1,1+2+3|0D 00 01 30 31 33
485 +|34,2,1~~8+12~~16|0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
486 +|34,2,1~~34|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
504 504  
505 505  * ** Downlink Payload:**
506 506  
... ... @@ -514,18 +514,21 @@
514 514  
515 515  Where:
516 516  
517 -* **MM **: the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
518 -* **NN **:  1: set the AT+DATACUT value ; 2: set the AT+DATACUT value.
519 -* **LL **:  The length of AT+COMMAND or AT+DATACUT command
520 -* **XX XX XX XX **: AT+COMMAND or AT+DATACUT command
521 -* **YY **:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 
500 +* MM: the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
501 +* NN:  1: set the AT+DATACUT value ; 2: set the AT+DATACUT value.
502 +* LL:  The length of AT+COMMAND or AT+DATACUT command
503 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
504 +* YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 
522 522  
506 +Example:
523 523  
524 -**Example:**
508 +**AF 03 01 07 30 4D 43 21 01 01 01 00**: Same as AT+COMMAND3=**0MC!**,** 1**,** 1**,** 1**
525 525  
526 -[[image:image-20230201094129-18.png]]
510 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
527 527  
512 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
528 528  
514 +
529 529  **Clear SDI12 Command**
530 530  
531 531  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -545,22 +545,23 @@
545 545  
546 546  
547 547  
534 +
548 548  **command combination**
549 549  
550 550  Below shows a screen shot how the results combines together to a uplink payload.
551 551  
552 -[[image:1675215745275-920.png]]
539 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
553 553  
554 554  
555 -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.
542 +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.
556 556  
557 557  **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.
558 558  
559 559  
560 -**For example: ** as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
547 +For example: as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
561 561  
562 562  
563 -[[image:1675215782925-448.png]]
550 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
564 564  
565 565  
566 566  If AT+ALLDATAMOD=1, **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.
... ... @@ -578,7 +578,7 @@
578 578  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
579 579  
580 580  
581 -[[image:1675215828102-844.png]]
568 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
582 582  
583 583  
584 584  **AT+DATAUP=1**
... ... @@ -587,7 +587,7 @@
587 587  
588 588  Final Payload is
589 589  
590 -__**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
577 +**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
591 591  
592 592  1. Battery Info (2 bytes): Battery voltage
593 593  1. PAYVER (1 byte): Defined by AT+PAYVER
... ... @@ -595,24 +595,26 @@
595 595  1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
596 596  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
597 597  
598 -[[image:1675215848113-696.png]]
585 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
599 599  
600 600  
601 601  **Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
602 602  
603 -* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
604 -* For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
605 -* For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
606 -* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
590 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
607 607  
608 -**~ When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
592 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
609 609  
610 -**~ When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
594 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
611 611  
596 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
612 612  
613 -== ​​​​​​​2.4 Uplink Payload ==
598 + *** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
614 614  
600 +**~ When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
615 615  
602 +1.
603 +11. Uplink Payload
604 +
616 616  Uplink payloads have two types:
617 617  
618 618  * Distance Value: Use FPORT=2
... ... @@ -621,7 +621,9 @@
621 621  The application server should parse the correct value based on FPORT settings.
622 622  
623 623  
624 -2.4.1 Device Payload, FPORT=5
613 +1.
614 +11.
615 +111. Device Payload, FPORT=5
625 625  
626 626  Include device configure status. Once SDI-12-LB Joined the network, it will uplink this message to the server.
627 627  
... ... @@ -629,14 +629,13 @@
629 629  Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
630 630  
631 631  
632 -(% border="1" cellspacing="4" style="background-color:#f7faff; width:437px" %)
633 -|(% colspan="6" style="width:434px" %)**Device Status (FPORT=5)**
634 -|(% style="width:102px" %)**Size (bytes)**|(% style="width:67px" %)**1**|(% style="width:80px" %)**2**|(% style="width:89px" %)**1**|(% style="width:52px" %)**1**|(% style="width:44px" %)**2**
635 -|(% style="width:102px" %)**Value**|(% style="width:67px" %)Sensor Model|(% style="width:80px" %)Firmware Version|(% style="width:89px" %)Frequency Band|(% style="width:52px" %)Sub-band|(% style="width:44px" %)BAT
623 +|(% colspan="6" %)**Device Status (FPORT=5)**
624 +|**Size (bytes)**|**1**|**2**|**1**|**1**|**2**
625 +|**Value**|Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
636 636  
637 637  Example parse in TTNv3
638 638  
639 -[[image:1675215946738-635.png]]
629 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
640 640  
641 641  **Sensor Model**: For SDI-12-LB, this value is 0x17
642 642  
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