Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 83.8 >
edited by Xiaoling
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To version < 90.11 >
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1 1  (% style="text-align:center" %)
2 -[[image:LMDS200_10.jpg]]
2 +[[image:LMDS200_10.jpg||height="572" width="572"]]
3 3  
4 4  
5 +
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7 +
8 +(% style="display:none" %) (%%)
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13 +
5 5  **Table of Contents：**
6 6  
7 7  {{toc/}}
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9 9  
10 10  
11 11  
21 +
22 +
23 +
24 +
25 +
12 12  = 1.  Introduction =
13 13  
14 14  == 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
... ... @@ -16,19 +16,33 @@
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.
33 +)))
19 19  
35 +(((
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.
37 +)))
21 21  
39 +(((
22 22  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
41 +)))
23 23  
43 +(((
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.
45 +)))
25 25  
47 +(((
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.
49 +)))
27 27  
51 +(((
28 28  NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
53 +)))
29 29  
55 +(((
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)
57 +)))
31 31  
59 +(((
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  
... ... @@ -54,9 +54,9 @@
54 54  
55 55  
56 56  * Measuring Method: FMCW
57 -* Frequency: 24.000 24.500 GHz
85 +* Frequency: 24.000 ~~ 24.500 GHz
58 58  * Measurement output power: 6dBm
59 -* Measure range: 0.5 20m
87 +* Measure range: 0.5 ~~ 20m
60 60  * Accuracy: ±0.1m
61 61  * Resolution: 0.01m
62 62  * Horizontal Angel: 78°
... ... @@ -104,10 +104,12 @@
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"]]
135 +[[image:image-20221207170748-1.png]]
108 108  
109 109  
138 + [[image:image-20221207170748-2.png||height="345" width="634"]]
110 110  
140 +
111 111  == 1.8  Pin Definitions and Switch ==
112 112  
113 113  
... ... @@ -123,7 +123,7 @@
123 123  
124 124  The diagram below shows the working flow in the default firmware of NMDS200:
125 125  
126 -[[image:image-20221021110615-5.png]]
156 +[[image:image-20221021110615-5.png||height="996" width="492"]]
127 127  
128 128  
129 129  == 2.2 ​ Configure NMDS200 ==
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137 137  
138 138  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
139 139  
140 -[[image:image-20221208090742-1.png]]
170 +[[image:image-20221209090938-1.png]]
141 141  
142 142  
143 143  === 2.2.1 Insert NB-IoT SIM card ===
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186 186  (% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
187 187  
188 188  
189 -
190 190  === 2.2.3 Use CoAP protocol to uplink data ===
191 191  
192 192  
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203 203  
204 204  For parameter description, please refer to AT command set
205 205  
206 -[[image:image-20221021110948-8.png]]
235 +[[image:1670471530120-960.png||height="647" width="674"]]
207 207  
208 208  
209 209  After configuring the server address and (% style="color:green" %)**reset NMDS200**(%%) (via AT+ATZ ), NMDS200 will start to uplink sensor values to the CoAP server.
... ... @@ -222,7 +222,7 @@
222 222  
223 223  * (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
224 224  
225 -​ [[image:image-20221021111025-10.png]]
254 +​ [[image:1670471559211-638.png]]
226 226  
227 227  
228 228  [[image:image-20221021111033-11.png||height="241" width="576"]]
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248 248  
249 249  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
250 250  
251 -​ [[image:image-20221118103445-7.png]]
280 +​ [[image:1670471584490-640.png]]
252 252  
253 253  
254 254  [[image:1670405928926-116.png]]
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267 267  
268 268  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
269 269  
270 -​ [[image:1670406036256-101.png||height="676" width="713"]]
299 +​ [[image:1670471613823-833.png]]
271 271  
272 272  
273 273  [[image:image-20221021111131-15.png]]
... ... @@ -298,11 +298,11 @@
298 298  |=(% 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**
299 299  |=(% 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"]]
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:350px" %)
330 +(% border="1" style="background-color:#ffffcc; color:green; width:429px" %)
302 302  |(% 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:98px" %)...
334 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:100px" %)...
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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309 309  [[image:1670406261143-723.png]]
310 310  
311 311  
312 -The payload is ASCII string, representative same HEX: f867787050471071  0064  0cc3  09  01  00 00ef  013d  6390453d
341 +The payload is ASCII string, representative same HEX: **0x (% style="color:red" %)__f867787050471071__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)**
313 313  
314 -**0x (% style="color:red" %)__f867787050471071__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)**
315 -
316 316  **where:**
317 317  
318 318  * (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
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333 333  
334 334  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
335 335  
336 -
337 -
338 338  == 2.4  Payload Explanation and Sensor Interface ==
339 339  
340 340  === 2.4.1  Device ID ===
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356 356  
357 357  Specify the software version: 0x64=100, which means firmware version 1.00.
358 358  
359 -For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
384 +For example 0x00 64 : This device is NMDS200 with firmware version 1.0.0.
360 360  
361 361  
362 362  === 2.4.3  Battery Info ===
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418 418  
419 419  By default, NMDS200 prints the downlink payload to console port.
420 420  
446 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
447 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:97px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:183px" %)**Downlink payload size(bytes)**
448 +|TDC (Transmit Time Interval)|Any|(% style="width:97px" %)01|(% style="width:183px" %)4
449 +|RESET|Any|(% style="width:97px" %)04|(% style="width:183px" %)2
450 +|INTMOD|Any|(% style="width:97px" %)06|(% style="width:183px" %)4
451 +
421 421  [[image:image-20221021111414-18.png]] ​
422 422  
423 423  
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449 449  * After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
450 450  * For each uplink probe, LED will be on for 500ms.
451 451  
452 -
453 -
454 454  == 2.7  Distance alarm function ==
455 455  
456 456  
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458 458  
459 459  (% style="color:#037691" %)**Example 1:**
460 460  
461 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
490 +AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
462 462  
463 463  AT+ ALARM2 =min,max
464 464  
... ... @@ -465,7 +465,7 @@
465 465  
466 466  (% style="color:#037691" %)**Example 2:**
467 467  
468 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
497 +AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
469 469  
470 470  
471 471  == 2.8  Set the number of data to be uploaded and the recording time ==
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493 493  == 2.10  ​Firmware Change Log ==
494 494  
495 495  
496 -Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
525 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0>>https://www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0]]
497 497  
498 498  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
499 499  
500 500  
501 -== 2.11  ​Battery Analysis ==
530 +== 2.11 Battery & Power Consumption ==
502 502  
503 -=== 2.11.1  ​Battery Type ===
504 504  
533 +NMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
505 505  
506 -The NMDS200 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
535 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
507 507  
508 -The battery is designed to last for several years depends on the actual use environment and update interval. 
509 509  
510 -The battery-related documents as below:
511 -
512 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
513 -
514 -* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
515 -
516 -* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
517 -
518 -[[image:image-20221021111911-26.png]] ​
519 -
520 -
521 -=== 2.11.2  Power consumption Analyze ===
522 -
523 -
524 -Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
525 -
526 -Instruction to use as below:
527 -
528 -(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
529 -
530 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
531 -
532 -* Product Model
533 -
534 -* Uplink Interval
535 -
536 -* Working Mode
537 -
538 -And the Life expectation in difference case will be shown on the right.
539 -
540 -[[image:1666596205057-567.png]] ​
541 -
542 -
543 -=== 2.11.3  ​Battery Note ===
544 -
545 -
546 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
547 -
548 -
549 -=== 2.11.4  Replace the battery ===
550 -
551 -
552 -The default battery pack of NMDS200 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
553 -
554 -
555 555  = 3. ​ Access NB-IoT Module =
556 556  
557 557  
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676 676  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER** (%%)while press the send key, user need to add ENTER in their string.
677 677  
678 678  
662 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
663 +
664 +
665 +This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
666 +
667 +
679 679  = 7. ​ Order Info =
680 680  
681 681  
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689 689  
690 690  * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
691 691  
692 -
693 -
694 694  = 9.  Support =
695 695  
696 696  
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