Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 83.11 >
edited by Xiaoling
on 2022/12/08 11:33
To version < 83.5 >
edited by Xiaoling
on 2022/12/08 09:52
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... ... @@ -16,33 +16,19 @@
16 16  
17 17  (((
18 18  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.
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20 20  
21 -(((
22 22  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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24 24  
25 -(((
26 26  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
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28 28  
29 -(((
30 30  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.
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32 32  
33 -(((
34 34  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.
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36 36  
37 -(((
38 38  NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
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40 40  
41 -(((
42 42  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)
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44 44  
45 -(((
46 46  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.
47 47  )))
48 48  
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118 118  Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
119 119  
120 120  
121 -[[image:image-20221207170748-1.png]]
107 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
122 122  
123 123  
124 - [[image:image-20221207170748-2.png||height="345" width="634"]]
125 125  
126 -
127 -
128 128  == 1.8  Pin Definitions and Switch ==
129 129  
130 130  
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311 311  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.
312 312  
313 313  
314 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:450px" %)
315 -|=(% 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**
316 -|=(% 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"]]
297 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
298 +|=(% 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**
299 +|=(% 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"]]
317 317  
318 -(% border="1" style="background-color:#ffffcc; color:green; width:350px" %)
319 -|(% style="width:60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((
301 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
302 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
320 320  **1-32 group**
321 321  )))
322 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:98px" %)...
305 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
323 323  
324 324  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
325 325  
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351 351  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
352 352  
353 353  
337 +
354 354  == 2.4  Payload Explanation and Sensor Interface ==
355 355  
356 356  === 2.4.1  Device ID ===
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466 466  * For each uplink probe, LED will be on for 500ms.
467 467  
468 468  
453 +
469 469  == 2.7  Distance alarm function ==
470 470  
471 471  
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483 483  AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
484 484  
485 485  
471 +
472 +
486 486  == 2.8  Set the number of data to be uploaded and the recording time ==
487 487  
488 488  
... ... @@ -610,13 +610,13 @@
610 610  
611 611  AT+INTMOD            : Set the trigger interrupt mode
612 612  
613 -AT+5VT  : Set extend the time of 5V power  
600 +AT+5VT  : Set extend the time of 5V power  
614 614  
615 -AT+PRO  : Choose agreement
602 +AT+PRO  : Choose agreement
616 616  
617 -AT+RXDL  : Extend the sending and receiving time
604 +AT+RXDL  : Extend the sending and receiving time
618 618  
619 -AT+SERVADDR  : Server Address
606 +AT+SERVADDR  : Server Address
620 620  
621 621  AT+TR      :  Get or Set record time
622 622  
... ... @@ -624,7 +624,7 @@
624 624  
625 625  AT+CDP     :  Read or Clear cached data
626 626  
627 -AT+DEBUG:  Enable or Disable debug mode
614 +AT+DEBUG:  Enable or Disable debug mode
628 628  
629 629  AT+ALARM1:  Get or Set alarm of distance1
630 630  
... ... @@ -704,7 +704,6 @@
704 704  
705 705  * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
706 706  
707 -
708 708  = 9.  Support =
709 709  
710 710  

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