Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 83.6 >
edited by Xiaoling
on 2022/12/08 11:16
To version < 83.11 >
edited by Xiaoling
on 2022/12/08 11:33
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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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19 19  
21 +(((
20 20  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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21 21  
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22 22  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
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23 23  
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24 24  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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25 25  
33 +(((
26 26  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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27 27  
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28 28  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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29 29  
41 +(((
30 30  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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31 31  
45 +(((
32 32  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.
33 33  )))
34 34  
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104 104  Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
105 105  
106 106  
107 -[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
121 +[[image:image-20221207170748-1.png]]
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109 109  
124 + [[image:image-20221207170748-2.png||height="345" width="634"]]
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127 +
111 111  == 1.8  Pin Definitions and Switch ==
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113 113  
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294 294  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.
295 295  
296 296  
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="H2.4.5A0Distance"]] |(% style="width:93px" %) [[Distance  2>>||anchor="H2.4.5A0Distance"]]
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"]]
300 300  
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" %)(((
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" %)(((
303 303  **1-32 group**
304 304  )))
305 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
322 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:98px" %)...
306 306  
307 307  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
308 308  
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449 449  * For each uplink probe, LED will be on for 500ms.
450 450  
451 451  
452 -
453 453  == 2.7  Distance alarm function ==
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455 455  
... ... @@ -594,13 +594,13 @@
594 594  
595 595  AT+INTMOD            : Set the trigger interrupt mode
596 596  
597 -AT+5VT  : Set extend the time of 5V power  
613 +AT+5VT  : Set extend the time of 5V power  
598 598  
599 -AT+PRO  : Choose agreement
615 +AT+PRO  : Choose agreement
600 600  
601 -AT+RXDL  : Extend the sending and receiving time
617 +AT+RXDL  : Extend the sending and receiving time
602 602  
603 -AT+SERVADDR  : Server Address
619 +AT+SERVADDR  : Server Address
604 604  
605 605  AT+TR      :  Get or Set record time
606 606  
... ... @@ -608,7 +608,7 @@
608 608  
609 609  AT+CDP     :  Read or Clear cached data
610 610  
611 -AT+DEBUG:  Enable or Disable debug mode
627 +AT+DEBUG:  Enable or Disable debug mode
612 612  
613 613  AT+ALARM1:  Get or Set alarm of distance1
614 614  
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688 688  
689 689  * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
690 690  
707 +
691 691  = 9.  Support =
692 692  
693 693  

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