Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 100.4 >
edited by Xiaoling
on 2022/08/22 14:38
To version < 104.1 >
edited by Edwin Chen
on 2022/09/08 23:13
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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16 16  
17 17  = 1.  Introduction =
18 18  
19 +
19 19  == 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20 20  
21 21  (((
... ... @@ -70,9 +70,6 @@
70 70  * Micro SIM card slot for NB-IoT SIM
71 71  * 8500mAh Battery for long term use
72 72  
73 -
74 -
75 -
76 76  == 1.3  Specification ==
77 77  
78 78  
... ... @@ -81,8 +81,6 @@
81 81  * Supply Voltage: 2.1v ~~ 3.6v
82 82  * Operating Temperature: -40 ~~ 85°C
83 83  
84 -
85 -
86 86  (% style="color:#037691" %)**NB-IoT Spec:**
87 87  
88 88  * - B1 @H-FDD: 2100MHz
... ... @@ -92,8 +92,6 @@
92 92  * - B20 @H-FDD: 800MHz
93 93  * - B28 @H-FDD: 700MHz
94 94  
95 -
96 -
97 97  (% style="color:#037691" %)**Battery:**
98 98  
99 99  * Li/SOCI2 un-chargeable battery
... ... @@ -102,17 +102,11 @@
102 102  * Max continuously current: 130mA
103 103  * Max boost current: 2A, 1 second
104 104  
105 -
106 -
107 107  (% style="color:#037691" %)**Power Consumption**
108 108  
109 109  * STOP Mode: 10uA @ 3.3v
110 110  * Max transmit power: 350mA@3.3v
111 111  
112 -
113 -
114 -
115 -
116 116  == ​1.4  Applications ==
117 117  
118 118  
... ... @@ -261,6 +261,9 @@
261 261  )))
262 262  * (((
263 263  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
252 +
253 +
254 +
264 264  )))
265 265  
266 266  (((
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286 286  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
287 287  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
288 288  
289 -
290 -
291 291  [[image:1657330501006-241.png]]
292 292  
293 293  
... ... @@ -306,8 +306,6 @@
306 306  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
307 307  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
308 308  
309 -
310 -
311 311  [[image:1657249978444-674.png]]
312 312  
313 313  
... ... @@ -326,8 +326,6 @@
326 326  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
327 327  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
328 328  
329 -
330 -
331 331  [[image:image-20220709093918-1.png]]
332 332  
333 333  
... ... @@ -343,21 +343,23 @@
343 343  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
344 344  
345 345  (((
346 -(% style="color:red" %)**NOTE:**
347 -)))
331 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
348 348  
349 -(((
350 -(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
333 +
351 351  )))
352 352  
336 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
353 353  
338 +**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
354 354  
340 +
355 355  == 2.3  Uplink Payload ==
356 356  
357 357  
344 +=== 2.3.1 Before Firmware 1.3.2 ===
345 +
358 358  In this mode, uplink payload includes in total 14 bytes
359 359  
360 -
361 361  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
362 362  |=(% style="width: 60px;" %)(((
363 363  **Size(bytes)**
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399 399  * (((
400 400  Interrupt: 0x00 = 0
401 401  
402 -
403 -
404 404  
405 405  )))
406 406  
392 +=== **2.3.2 Since firmware v1.3.2** ===
393 +
394 +In this mode, uplink payload includes 69 bytes in total by default.
395 +
396 +Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
397 +
398 +|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
399 +|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
400 +
401 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
402 +
403 +[[image:image-20220908175246-1.png]]
404 +
405 +The payload is ASCII string, representative same HEX:
406 +
407 +0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
408 +
409 +* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
410 +* (% style="color:red" %)Version: 0x0084=132=1.3.2
411 +* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
412 +* (% style="color:blue" %)Singal: 0x1e = 30
413 +* (% style="color:red" %)Mod: 0x01 = 1
414 +* Interrupt: 0x00= 0
415 +* Distance: 0x0039= 57 = 57
416 +* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
417 +* Distance,Time stamp : 00396319baf0
418 +* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
419 +
407 407  == 2.4  Payload Explanation and Sensor Interface ==
408 408  
409 409  
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433 433  )))
434 434  
435 435  
449 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
436 436  
451 +By default, the Device ID equal to the last 15 bits of IMEI.
452 +
453 +User can use **AT+DEUI** to set Device ID
454 +
455 +**Example:**
456 +
457 +AT+DEUI=868411056754138
458 +
437 437  === 2.4.2  Version Info ===
438 438  
439 439  
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629 629  )))
630 630  
631 631  
654 +== 2.6 Distance alarm function(Since firmware v1.3.2) ==
632 632  
633 -== 2.6  ​LED Indicator ==
656 +➢ AT Command:
634 634  
658 +AT+ LDDSALARM=min,max
635 635  
660 +² When min=0, and max≠0, Alarm higher than max
661 +
662 +² When min≠0, and max=0, Alarm lower than min
663 +
664 +² When min≠0 and max≠0, Alarm higher than max or lower than min
665 +
666 +Example:
667 +
668 +AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
669 +
670 +
671 +== 2.7 Set the number of data to be uploaded and the recording time ==
672 +
673 +➢ AT Command:
674 +
675 +AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
676 +
677 +AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
678 +
679 +== 2.8 Read or Clear cached data ==
680 +
681 +➢ AT Command:
682 +
683 +AT+CDP ~/~/ Read cached data
684 +
685 +[[image:image-20220908175333-2.png]]
686 +
687 +AT+CDP=0 ~/~/ Clear cached data
688 +
689 +== 2.9  ​LED Indicator ==
690 +
691 +
636 636  The NDDS75 has an internal LED which is to show the status of different state.
637 637  
638 638  
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647 647  
648 648  
649 649  
650 -== 2.7  ​Firmware Change Log ==
706 +== 2.10  ​Firmware Change Log ==
651 651  
652 652  
653 653  (((
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664 664  
665 665  
666 666  
667 -== 2.8  ​Battery Analysis ==
723 +== 2.11  ​Battery Analysis ==
668 668  
669 669  
670 -=== 2.8.1  ​Battery Type ===
726 +=== 2.11.1  ​Battery Type ===
671 671  
672 672  
673 673  (((
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692 692  
693 693  
694 694  
695 -=== 2.8.2  Power consumption Analyze ===
751 +=== 2.11.2  Power consumption Analyze ===
696 696  
697 697  
698 698  (((
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731 731  
732 732  
733 733  
734 -=== 2.8.3  ​Battery Note ===
790 +=== 2.11.3  ​Battery Note ===
735 735  
736 736  
737 737  (((
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740 740  
741 741  
742 742  
743 -=== 2.8.4  Replace the battery ===
799 +=== 2.11.4  Replace the battery ===
744 744  
745 745  
746 746  (((
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814 814  
815 815  AT+SERVADDR  : Server Address
816 816  
873 +AT+TR      : Get or Set record time"
817 817  
875 +AT+APN     : Get or set the APN
876 +
877 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
878 +
879 +AT+DNSCFG  : Get or Set DNS Server
880 +
881 +AT+GETSENSORVALUE   : Returns the current sensor measurement
882 +
883 +AT+NOUD      : Get or Set the number of data to be uploaded
884 +
885 +AT+CDP     : Read or Clear cached data
886 +
887 +AT+LDDSALARM : Get or Set alarm of distance
888 +
889 +
818 818  (% style="color:#037691" %)**COAP Management**      
819 819  
820 820  AT+URI            : Resource parameters
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917 917  (((
918 918  
919 919  
992 +
920 920  (% style="color:#037691" %)**Dimension and weight**:
921 921  
922 922  * Device Size: 13.0 x 5 x 4.5 cm
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937 937  
938 938  * 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.
939 939  * 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]]
940 -
941 -
942 -
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