Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 83.10 >
edited by Xiaoling
on 2022/12/08 11:32
To version < 90.10 >
edited by Xiaoling
on 2023/05/25 18:07
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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  
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8 +(% style="display:none" %) (%%)
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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 ==
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64 64  * Micro SIM card slot for NB-IoT SIM
65 65  * 8500mAh Battery for long-term use
66 66  
81 +
67 67  == 1.3 Radar probe specification ==
68 68  
69 69  
70 70  * Measuring Method: FMCW
71 -* Frequency: 24.000 24.500 GHz
86 +* Frequency: 24.000 ~~ 24.500 GHz
72 72  * Measurement output power: 6dBm
73 -* Measure range: 0.5 20m
88 +* Measure range: 0.5 ~~ 20m
74 74  * Accuracy: ±0.1m
75 75  * Resolution: 0.01m
76 76  * Horizontal Angel: 78°
77 77  * Vertical Angel: 23°
78 78  
94 +
79 79  == 1.4  Storage Temperature ==
80 80  
81 81  
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95 95  * Sewer
96 96  * Bottom water level monitoring
97 97  
114 +
98 98  == 1.6  Specification ==
99 99  
100 100  
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112 112  * B20 @H-FDD: 800MHz
113 113  * B28 @H-FDD: 700MHz
114 114  
132 +
115 115  == 1.7  Installation ==
116 116  
117 117  
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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]] [[image:image-20221207170748-2.png||height="294" width="540"]]
139 +[[image:image-20221207170748-1.png]]
122 122  
123 123  
142 + [[image:image-20221207170748-2.png||height="345" width="634"]]
124 124  
144 +
125 125  == 1.8  Pin Definitions and Switch ==
126 126  
127 127  
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137 137  
138 138  The diagram below shows the working flow in the default firmware of NMDS200:
139 139  
140 -[[image:image-20221021110615-5.png]]
160 +[[image:image-20221021110615-5.png||height="996" width="492"]]
141 141  
142 142  
143 143  == 2.2 ​ Configure NMDS200 ==
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151 151  
152 152  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.
153 153  
154 -[[image:image-20221208090742-1.png]]
174 +[[image:image-20221209090938-1.png]]
155 155  
156 156  
157 157  === 2.2.1 Insert NB-IoT SIM card ===
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200 200  (% 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]]
201 201  
202 202  
203 -
204 204  === 2.2.3 Use CoAP protocol to uplink data ===
205 205  
206 206  
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217 217  
218 218  For parameter description, please refer to AT command set
219 219  
220 -[[image:image-20221021110948-8.png]]
239 +[[image:1670471530120-960.png||height="647" width="674"]]
221 221  
222 222  
223 223  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.
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236 236  
237 237  * (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
238 238  
239 -​ [[image:image-20221021111025-10.png]]
258 +​ [[image:1670471559211-638.png]]
240 240  
241 241  
242 242  [[image:image-20221021111033-11.png||height="241" width="576"]]
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262 262  
263 263  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
264 264  
265 -​ [[image:image-20221118103445-7.png]]
284 +​ [[image:1670471584490-640.png]]
266 266  
267 267  
268 268  [[image:1670405928926-116.png]]
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281 281  
282 282  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
283 283  
284 -​ [[image:1670406036256-101.png||height="676" width="713"]]
303 +​ [[image:1670471613823-833.png]]
285 285  
286 286  
287 287  [[image:image-20221021111131-15.png]]
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312 312  |=(% 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**
313 313  |=(% 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"]]
314 314  
315 -(% border="1" style="background-color:#ffffcc; color:green; width:350px" %)
334 +(% border="1" style="background-color:#ffffcc; color:green; width:429px" %)
316 316  |(% style="width:60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((
317 317  **1-32 group**
318 318  )))
319 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:98px" %)...
338 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:100px" %)...
320 320  
321 321  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
322 322  
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323 323  [[image:1670406261143-723.png]]
324 324  
325 325  
326 -The payload is ASCII string, representative same HEX: f867787050471071  0064  0cc3  09  01  00 00ef  013d  6390453d
345 +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__(%%)**
327 327  
328 -**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__(%%)**
329 -
330 330  **where:**
331 331  
332 332  * (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
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347 347  
348 348  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
349 349  
350 -
351 351  == 2.4  Payload Explanation and Sensor Interface ==
352 352  
353 353  === 2.4.1  Device ID ===
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369 369  
370 370  Specify the software version: 0x64=100, which means firmware version 1.00.
371 371  
372 -For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
388 +For example 0x00 64 : This device is NMDS200 with firmware version 1.0.0.
373 373  
374 374  
375 375  === 2.4.3  Battery Info ===
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462 462  * After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
463 463  * For each uplink probe, LED will be on for 500ms.
464 464  
465 -
466 466  == 2.7  Distance alarm function ==
467 467  
468 468  
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470 470  
471 471  (% style="color:#037691" %)**Example 1:**
472 472  
473 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
488 +AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
474 474  
475 475  AT+ ALARM2 =min,max
476 476  
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477 477  
478 478  (% style="color:#037691" %)**Example 2:**
479 479  
480 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
495 +AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
481 481  
482 482  
483 483  == 2.8  Set the number of data to be uploaded and the recording time ==
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505 505  == 2.10  ​Firmware Change Log ==
506 506  
507 507  
508 -Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
523 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0>>https://www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0]]
509 509  
510 510  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
511 511  
512 512  
513 -== 2.11  ​Battery Analysis ==
528 +== 2.11 Battery & Power Consumption ==
514 514  
515 -=== 2.11.1  ​Battery Type ===
516 516  
531 +NMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
517 517  
518 -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.
533 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
519 519  
520 -The battery is designed to last for several years depends on the actual use environment and update interval. 
521 521  
522 -The battery-related documents as below:
523 -
524 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
525 -
526 -* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
527 -
528 -* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
529 -
530 -[[image:image-20221021111911-26.png]] ​
531 -
532 -
533 -=== 2.11.2  Power consumption Analyze ===
534 -
535 -
536 -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.
537 -
538 -Instruction to use as below:
539 -
540 -(% 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/]]
541 -
542 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
543 -
544 -* Product Model
545 -
546 -* Uplink Interval
547 -
548 -* Working Mode
549 -
550 -And the Life expectation in difference case will be shown on the right.
551 -
552 -[[image:1666596205057-567.png]] ​
553 -
554 -
555 -=== 2.11.3  ​Battery Note ===
556 -
557 -
558 -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.
559 -
560 -
561 -=== 2.11.4  Replace the battery ===
562 -
563 -
564 -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).
565 -
566 -
567 567  = 3. ​ Access NB-IoT Module =
568 568  
569 569  
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688 688  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.
689 689  
690 690  
660 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
661 +
662 +
663 +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]]//**.
664 +
665 +
691 691  = 7. ​ Order Info =
692 692  
693 693  
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