Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 83.2 >
edited by Xiaoling
on 2022/12/08 09:28
To version < 83.10 >
edited by Xiaoling
on 2022/12/08 11:32
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Summary

Details

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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.
27 +)))
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  
... ... @@ -103,7 +103,7 @@
103 103  Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
104 104  
105 105  
106 -[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
121 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="294" width="540"]]
107 107  
108 108  
109 109  
... ... @@ -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 |(% style="width:93px" %) Distance  2
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="H2.4.7A0Timestamp"]]| 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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332 332  
333 333  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
334 334  
350 +
335 335  == 2.4  Payload Explanation and Sensor Interface ==
336 336  
337 337  === 2.4.1  Device ID ===
... ... @@ -371,17 +371,17 @@
371 371  
372 372  NB-IoT Network signal Strength.
373 373  
374 -**Ex1: 0x1d = 29**
390 +(% style="color:blue" %)**Ex1: 0x1d = 29**
375 375  
376 -**0**  -113dBm or less
392 +(% style="color:#037691" %)**0** (%%) -113dBm or less
377 377  
378 -**1**  -111dBm
394 +(% style="color:#037691" %)**1**  (%%) -111dBm
379 379  
380 -**2...30** -109dBm... -53dBm
396 +(% style="color:#037691" %)**2...30** (%%) -109dBm... -53dBm
381 381  
382 -**31**   -51dBm or greater
398 +(% style="color:#037691" %)**31** (%%) -51dBm or greater
383 383  
384 -**99**    Not known or not detectable
400 +(% style="color:#037691" %)**99** (%%) Not known or not detectable
385 385  
386 386  
387 387  === 2.4.5  Distance ===
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447 447  * For each uplink probe, LED will be on for 500ms.
448 448  
449 449  
450 -
451 -
452 452  == 2.7  Distance alarm function ==
453 453  
454 454  
455 455  (% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
456 456  
457 -**(% style="color:blue" %)Example 1:**
471 +(% style="color:#037691" %)**Example 1:**
458 458  
459 459  AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
460 460  
... ... @@ -461,13 +461,11 @@
461 461  AT+ ALARM2 =min,max
462 462  
463 463  
464 -**(% style="color:blue" %)Example 2:**
478 +(% style="color:#037691" %)**Example 2:**
465 465  
466 466  AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
467 467  
468 468  
469 -
470 -
471 471  == 2.8  Set the number of data to be uploaded and the recording time ==
472 472  
473 473  
... ... @@ -595,13 +595,13 @@
595 595  
596 596  AT+INTMOD            : Set the trigger interrupt mode
597 597  
598 -AT+5VT  : Set extend the time of 5V power  
610 +AT+5VT  : Set extend the time of 5V power  
599 599  
600 -AT+PRO  : Choose agreement
612 +AT+PRO  : Choose agreement
601 601  
602 -AT+RXDL  : Extend the sending and receiving time
614 +AT+RXDL  : Extend the sending and receiving time
603 603  
604 -AT+SERVADDR  : Server Address
616 +AT+SERVADDR  : Server Address
605 605  
606 606  AT+TR      :  Get or Set record time
607 607  
... ... @@ -609,7 +609,7 @@
609 609  
610 610  AT+CDP     :  Read or Clear cached data
611 611  
612 -AT+DEBUG:  Enable or Disable debug mode
624 +AT+DEBUG:  Enable or Disable debug mode
613 613  
614 614  AT+ALARM1:  Get or Set alarm of distance1
615 615  
... ... @@ -679,7 +679,7 @@
679 679  = 7. ​ Order Info =
680 680  
681 681  
682 -Part Number:**(% style="color:blue" %) NMDS200**
694 +Part Number:(% style="color:blue" %)** NMDS200**
683 683  
684 684  
685 685  = 8.  Packing Info =
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689 689  
690 690  * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
691 691  
704 +
692 692  = 9.  Support =
693 693  
694 694  

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