Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 83.3 >
edited by Xiaoling
on 2022/12/08 09:33
To version < 83.9 >
edited by Xiaoling
on 2022/12/08 11:31
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Summary

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Content
... ... @@ -4,6 +4,7 @@
4 4  
5 5  **Table of Contents：**
6 6  
7 +{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -15,19 +15,33 @@
15 15  
16 16  (((
17 17  The Dragino NMDS200 is a(% style="color:blue" %)** NB-IoT Microwave Radar distance sensor**(%%). It uses (% style="color:blue" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:blue" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor.
19 +)))
18 18  
21 +(((
19 19  The NMDS200 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
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20 20  
25 +(((
21 21  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
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22 22  
29 +(((
23 23  NMDS200 (% style="color:blue" %)**supports Alarm Feature**(%%), user can set the NMDS200 to uplink data in a short interval when the distance is out of configured range.
31 +)))
24 24  
33 +(((
25 25  NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**standards-based low power wide area (LPWA) technology**(%%) developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity, and spectrum efficiency, especially in deep coverage.
35 +)))
26 26  
37 +(((
27 27  NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
39 +)))
28 28  
41 +(((
29 29  NMDS200 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**,(%%) It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
43 +)))
30 30  
45 +(((
31 31  To use NMDS200, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NMDS200 supports. If local operator support it, user needs to get a** (% style="color:blue" %)NB-IoT SIM card(%%)** from the operator and install into NMDS200 to get NB-IoT network connection.
32 32  )))
33 33  
... ... @@ -293,15 +293,15 @@
293 293  Each time the device uploads a data package. The user can use the AT+NOUD command to upload the recorded data.Up to 32 sets of recorded data can be uploaded.
294 294  
295 295  
296 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
297 -|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:50px" %)**1**|(% style="width:90px" %)**2**|(% style="width:100px" %)**2**
298 -|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0A0Distance"]] |(% style="width:93px" %) [[Distance  2>>||anchor="H2.4.5A0A0Distance"]]
311 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:450px" %)
312 +|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:30px" %)**2**|(% style="width:30px" %)**2**|(% style="width:75px" %)**1**|(% style="width:30px" %)**1**|(% style="width:50px" %)**1**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**
313 +|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0Distance"]] |(% style="width:93px" %) [[Distance 2>>||anchor="H2.4.5A0Distance"]]
299 299  
300 -(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
301 -|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
315 +(% border="1" style="background-color:#ffffcc; color:green; width:350px" %)
316 +|(% style="width:60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((
302 302  **1-32 group**
303 303  )))
304 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
319 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:98px" %)...
305 305  
306 306  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
307 307  
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333 333  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
334 334  
335 335  
336 -
337 -
338 338  == 2.4  Payload Explanation and Sensor Interface ==
339 339  
340 340  === 2.4.1  Device ID ===
... ... @@ -374,17 +374,17 @@
374 374  
375 375  NB-IoT Network signal Strength.
376 376  
377 -**(% style="color:blue" %)Ex1: 0x1d = 29**
390 +(% style="color:blue" %)**Ex1: 0x1d = 29**
378 378  
379 -**(% style="color:#037691" %)0** (%%) -113dBm or less
392 +(% style="color:#037691" %)**0** (%%) -113dBm or less
380 380  
381 -**(% style="color:#037691" %)1**  (%%) -111dBm
394 +(% style="color:#037691" %)**1**  (%%) -111dBm
382 382  
383 -**(% style="color:#037691" %)2...30** (%%) -109dBm... -53dBm
396 +(% style="color:#037691" %)**2...30** (%%) -109dBm... -53dBm
384 384  
385 -**(% style="color:#037691" %)31** (%%)  -51dBm or greater
398 +(% style="color:#037691" %)**31** (%%) -51dBm or greater
386 386  
387 -**(% style="color:#037691" %)99** (%%)   Not known or not detectable
400 +(% style="color:#037691" %)**99** (%%) Not known or not detectable
388 388  
389 389  
390 390  === 2.4.5  Distance ===
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450 450  * For each uplink probe, LED will be on for 500ms.
451 451  
452 452  
453 -
454 -
455 455  == 2.7  Distance alarm function ==
456 456  
457 457  
458 458  (% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
459 459  
460 -**(% style="color:blue" %)Example 1:**
471 +(% style="color:#037691" %)**Example 1:**
461 461  
462 462  AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
463 463  
... ... @@ -464,13 +464,11 @@
464 464  AT+ ALARM2 =min,max
465 465  
466 466  
467 -**(% style="color:blue" %)Example 2:**
478 +(% style="color:#037691" %)**Example 2:**
468 468  
469 469  AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
470 470  
471 471  
472 -
473 -
474 474  == 2.8  Set the number of data to be uploaded and the recording time ==
475 475  
476 476  
... ... @@ -598,13 +598,13 @@
598 598  
599 599  AT+INTMOD            : Set the trigger interrupt mode
600 600  
601 -AT+5VT  : Set extend the time of 5V power  
610 +AT+5VT  : Set extend the time of 5V power  
602 602  
603 -AT+PRO  : Choose agreement
612 +AT+PRO  : Choose agreement
604 604  
605 -AT+RXDL  : Extend the sending and receiving time
614 +AT+RXDL  : Extend the sending and receiving time
606 606  
607 -AT+SERVADDR  : Server Address
616 +AT+SERVADDR  : Server Address
608 608  
609 609  AT+TR      :  Get or Set record time
610 610  
... ... @@ -612,7 +612,7 @@
612 612  
613 613  AT+CDP     :  Read or Clear cached data
614 614  
615 -AT+DEBUG:  Enable or Disable debug mode
624 +AT+DEBUG:  Enable or Disable debug mode
616 616  
617 617  AT+ALARM1:  Get or Set alarm of distance1
618 618  
... ... @@ -682,7 +682,7 @@
682 682  = 7. ​ Order Info =
683 683  
684 684  
685 -Part Number:**(% style="color:blue" %) NMDS200**
694 +Part Number:(% style="color:blue" %)** NMDS200**
686 686  
687 687  
688 688  = 8.  Packing Info =
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692 692  
693 693  * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
694 694  
704 +
695 695  = 9.  Support =
696 696  
697 697  

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