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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 27.1
edited by Xiaoling
on 2023/02/01 09:23
Change comment: Uploaded new attachment "image-20230201092355-17.png", version {1}
To version 35.2
edited by Xiaoling
on 2023/02/01 09:50
Change comment: There is no comment for this version

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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.
... ... @@ -275,7 +275,6 @@
275 275  The following is the display information on the serial port and the server.
276 276  
277 277  
278 -
279 279  [[image:image-20230201091257-8.png]]
280 280  
281 281  
... ... @@ -282,50 +282,54 @@
282 282  [[image:image-20230201091257-9.png||height="225" width="1242"]]
283 283  
284 284  
285 -aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!
284 +==== **aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!** ====
286 286  
287 -aM!: Start Non-Concurrent Measurement
288 288  
289 -aMC!: Start Non-Concurrent Measurement – Request CRC
287 +**aM! **: Start Non-Concurrent Measurement
290 290  
291 -aM1!- aM9!: Additional Measurements
289 +**aMC! **: Start Non-Concurrent Measurement – Request CRC
292 292  
293 -aMC1!- aMC9!: Additional Measurements – Request CRC
291 +**aM1!- aM9! **: Additional Measurements
294 294  
293 +**aMC1!- aMC9!** : Additional Measurements – Request CRC
295 295  
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]]
313 313  
314 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
313 +[[image:image-20230201091630-10.png]]
315 315  
316 316  
316 +[[image:image-20230201091630-11.png||height="247" width="1165"]]
317 317  
318 -aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9!
319 319  
320 -aC!: Start Concurrent Measurement
321 321  
322 -aCC!: Start Concurrent Measurement – Request CRC
320 +==== **aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! ** ====
323 323  
324 -aC1!- aC9!: Start Additional Concurrent Measurements
325 325  
326 -aCC1!- aCC9!: Start Additional Concurrent Measurements – Request CRC
323 +**aC!** : Start Concurrent Measurement
327 327  
325 +**aCC!** : Start Concurrent Measurement – Request CRC
328 328  
327 +**aC1!- aC9!** : Start Additional Concurrent Measurements
328 +
329 +**aCC1!- aCC9!** : Start Additional Concurrent Measurements – Request CRC
330 +
331 +
329 329  * AT Command : AT+ADDRC=0,1,0,1 
330 330  
331 331  * LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
... ... @@ -332,24 +332,29 @@
332 332  
333 333  Downlink: AA 02 aa bb cc dd
334 334  
335 -aa: SDI-12 sensor address.
338 +**aa**: SDI-12 sensor address.
336 336  
337 -bb: 0: no CRC, 1: request CRC
340 +**bb**: 0: no CRC, 1: request CRC
338 338  
339 -cc: 1-9: Additional Measurement, 0: no additional measurement
342 +**cc**: 1-9: Additional Measurement, 0: no additional measurement
340 340  
341 -dd: delay (in second) to send **aD0!** to get return.
344 +**dd**: delay (in second) to send **aD0!** to get return.
342 342  
343 343  
344 344  The following is the display information on the serial port and the server.
345 345  
346 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
347 347  
348 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
350 +[[image:image-20230201091954-12.png]]
349 349  
350 350  
351 -aR0!- aR9!,  aRC0!- aRC9!
353 +[[image:image-20230201091954-13.png||height="203" width="1117"]]
352 352  
355 +
356 +(% style="display:none" %) (%%)
357 +
358 +==== **aR0!- aR9!,  aRC0!- aRC9!** ====
359 +
360 +
353 353  Start Continuous Measurement
354 354  
355 355  Start Continuous Measurement – Request CRC
... ... @@ -360,46 +360,48 @@
360 360  
361 361  Downlink: AA 03 aa bb cc dd
362 362  
363 -aa: SDI-12 sensor address.
371 +**aa**: SDI-12 sensor address.
364 364  
365 -bb: 0: no CRC, 1: request CRC
373 +**bb**: 0: no CRC, 1: request CRC
366 366  
367 -cc: 1-9: Additional Measurement, 0: no additional measurement
375 +**cc**: 1-9: Additional Measurement, 0: no additional measurement
368 368  
369 -dd: delay (in second) to send **aD0!** to get return.
377 +**dd**: delay (in second) to send **aD0!** to get return.
370 370  
371 371  
372 372  The following is the display information on the serial port and the server.
373 373  
374 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
375 375  
376 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
377 377  
378 -1.
379 -11.
380 -111. Advance SDI-12 Debug command
384 +[[image:image-20230201092208-14.png]]
381 381  
386 +
387 +[[image:image-20230201092208-15.png||height="214" width="1140"]]
388 +
389 +
390 +=== ​​​​​​​2.3.2 Advance SDI-12 Debug command ===
391 +
392 +
382 382  This command can be used to debug all SDI-12 command.
383 383  
384 384  
385 385  LoRaWAN Downlink: A8 aa xx xx xx xx bb cc
386 386  
387 -(aa: total SDI-12 command length)
398 +**aa **: total SDI-12 command length
388 388  
389 -(xx: SDI-12 command)
400 +**xx **: SDI-12 command
390 390  
391 -(bb: Delay to wait for return)
402 +**bb **: Delay to wait for return
392 392  
393 -(cc: 0: don’t uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100)
404 +**cc **: 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
394 394  
395 395  
396 -Example: AT+CFGDEV =0RC0!,1
407 +**Example: **AT+CFGDEV =0RC0!,1
397 397  
398 -0RC0!: SDI-12 Command,
409 +**0RC0! **: SDI-12 Command,
399 399  
400 -1: Delay 1 second.  ( 0: 810 mini-second)
411 +**1 **: Delay 1 second.  ( 0: 810 mini-second)
401 401  
402 -
403 403  Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
404 404  
405 405  
... ... @@ -406,36 +406,41 @@
406 406  The following is the display information on the serial port and the server.
407 407  
408 408  
409 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
419 +[[image:image-20230201092355-16.png]]
410 410  
411 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
412 412  
413 -1.
414 -11.
415 -111. Convert ASCII to String
422 +​​​​​​​[[image:image-20230201092355-17.png||height="426" width="1135"]]
416 416  
417 -This command is used to convert between ASCII and String format.
418 418  
425 +​​​​​​​
419 419  
427 +=== 2.3.3 Convert ASCII to String ===
428 +
429 +
430 +This command is used to convert between ASCII and String format.
431 +
420 420  AT+CONVFORM ( Max length: 80 bytes)
421 421  
422 -Example:
423 423  
424 -1)AT+CONVFORM=0,string   Convert String from String to ASCII
435 +**Example:**
425 425  
426 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
437 +1) AT+CONVFORM=0, string Convert String from String to ASCII
427 427  
439 +[[image:1675214845056-885.png]]
428 428  
429 -2)AT+CONVFORM=1,ASCII   Convert ASCII to String.
430 430  
431 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
442 +2) AT+CONVFORM=1, ASCII Convert ASCII to String.
432 432  
444 +[[image:1675214856590-846.png]]
433 433  
434 434  
435 -1.
436 -11.
437 -111. Define periodically SDI-12 commands and uplink.
438 438  
448 +
449 +​​​​​​​
450 +
451 +=== 2.3.4 Define periodically SDI-12 commands and uplink. ===
452 +
453 +
439 439  AT+COMMANDx & AT+DATACUTx
440 440  
441 441  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.
... ... @@ -445,21 +445,21 @@
445 445  
446 446  **AT+COMMANDx=var1,var2,var3,var4.**
447 447  
448 -var1: SDI-12 command , for example: 0RC0!
463 +**var1**: SDI-12 command , for example: 0RC0!
449 449  
450 -var2: Wait timeout for return. (unit: second)
465 +**var2**: Wait timeout for return. (unit: second)
451 451  
452 -var3: Whether to send //addrD0!// to get return after var2 timeout. 0: Don’t Send //addrD0!//; 1: Send //addrD0!//.
467 +**var3**: Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
453 453  
454 -var4: validation check for return. If return invalid, SDI-12-LB will resend this command. Max 2 retries.
469 +**var4**: validation check for return. If return invalid, SDI-12-LB will resend this command. Max 2 retries.
455 455  
456 -0  No validation check;
471 +**0 ** No validation check;
457 457  
458 -1  Check if return chars are printable char(0x20 ~~ 0x7E);
473 +**1**  Check if return chars are printable char(0x20 ~~ 0x7E);
459 459  
460 -2  Check if there is return from SDI-12 sensor
475 +**2**  Check if there is return from SDI-12 sensor
461 461  
462 -3  Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
477 +**3**  Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
463 463  
464 464  
465 465  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.
... ... @@ -467,23 +467,25 @@
467 467  
468 468  **AT+DATACUTx** : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
469 469  
470 -|(((
471 -AT+DATACUTx=a,b,c
485 +(% border="1" style="background-color:#f7faff; width:436px" %)
486 +|(% style="width:433px" %)(((
487 +**AT+DATACUTx=a,b,c**
472 472  
473 -a: length for the return of AT+COMMAND
489 +**a**:  length for the return of AT+COMMAND
474 474  
475 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
491 +**b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
476 476  
477 -c: define the position for valid value. 
493 +**c**:  define the position for valid value. 
478 478  )))
479 479  
480 -For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895” ,. Below AT+DATACUT1 will get different result to combine payload:
496 +For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895” , Below AT+DATACUT1 will get different result to combine payload:
481 481  
482 482  
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
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
487 487  
488 488  * ** Downlink Payload:**
489 489  
... ... @@ -497,21 +497,18 @@
497 497  
498 498  Where:
499 499  
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. 
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. 
505 505  
506 -Example:
507 507  
508 -**AF 03 01 07 30 4D 43 21 01 01 01 00**: Same as AT+COMMAND3=**0MC!**,** 1**,** 1**,** 1**
524 +**Example:**
509 509  
510 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
526 +[[image:image-20230201094129-18.png]]
511 511  
512 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
513 513  
514 -
515 515  **Clear SDI12 Command**
516 516  
517 517  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -531,23 +531,22 @@
531 531  
532 532  
533 533  
534 -
535 535  **command combination**
536 536  
537 537  Below shows a screen shot how the results combines together to a uplink payload.
538 538  
539 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
552 +[[image:1675215745275-920.png]]
540 540  
541 541  
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.
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.
543 543  
544 544  **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.
545 545  
546 546  
547 -For example: as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
560 +**For example: ** as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
548 548  
549 549  
550 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
563 +[[image:1675215782925-448.png]]
551 551  
552 552  
553 553  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.
... ... @@ -565,7 +565,7 @@
565 565  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
566 566  
567 567  
568 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
581 +[[image:1675215828102-844.png]]
569 569  
570 570  
571 571  **AT+DATAUP=1**
... ... @@ -574,7 +574,7 @@
574 574  
575 575  Final Payload is
576 576  
577 -**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
590 +__**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
578 578  
579 579  1. Battery Info (2 bytes): Battery voltage
580 580  1. PAYVER (1 byte): Defined by AT+PAYVER
... ... @@ -582,26 +582,24 @@
582 582  1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
583 583  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
584 584  
585 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
598 +[[image:1675215848113-696.png]]
586 586  
587 587  
588 588  **Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
589 589  
590 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
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).
591 591  
592 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
608 +**~ When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
593 593  
594 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
610 +**~ When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
595 595  
596 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
597 597  
598 - *** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
613 +== ​​​​​​​2.4 Uplink Payload ==
599 599  
600 -**~ When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
601 601  
602 -1.
603 -11. Uplink Payload
604 -
605 605  Uplink payloads have two types:
606 606  
607 607  * Distance Value: Use FPORT=2
... ... @@ -610,9 +610,7 @@
610 610  The application server should parse the correct value based on FPORT settings.
611 611  
612 612  
613 -1.
614 -11.
615 -111. Device Payload, FPORT=5
624 +2.4.1 Device Payload, FPORT=5
616 616  
617 617  Include device configure status. Once SDI-12-LB Joined the network, it will uplink this message to the server.
618 618  
... ... @@ -620,13 +620,14 @@
620 620  Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
621 621  
622 622  
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
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
626 626  
627 627  Example parse in TTNv3
628 628  
629 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
639 +[[image:1675215946738-635.png]]
630 630  
631 631  **Sensor Model**: For SDI-12-LB, this value is 0x17
632 632  
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