Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 83.11 >
edited by Xiaoling
on 2022/12/08 11:33
To version < 90.12 >
edited by Xiaoling
on 2023/05/26 10:14
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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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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 ==
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68 68  
69 69  
70 70  * Measuring Method: FMCW
71 -* Frequency: 24.000 24.500 GHz
85 +* Frequency: 24.000 ~~ 24.500 GHz
72 72  * Measurement output power: 6dBm
73 -* Measure range: 0.5 20m
87 +* Measure range: 0.5 ~~ 20m
74 74  * Accuracy: ±0.1m
75 75  * Resolution: 0.01m
76 76  * Horizontal Angel: 78°
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124 124   [[image:image-20221207170748-2.png||height="345" width="634"]]
125 125  
126 126  
127 -
128 128  == 1.8  Pin Definitions and Switch ==
129 129  
130 130  
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140 140  
141 141  The diagram below shows the working flow in the default firmware of NMDS200:
142 142  
143 -[[image:image-20221021110615-5.png]]
156 +[[image:image-20221021110615-5.png||height="996" width="492"]]
144 144  
145 145  
146 146  == 2.2 ​ Configure NMDS200 ==
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154 154  
155 155  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.
156 156  
157 -[[image:image-20221208090742-1.png]]
170 +[[image:image-20221209090938-1.png]]
158 158  
159 159  
160 160  === 2.2.1 Insert NB-IoT SIM card ===
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203 203  (% 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]]
204 204  
205 205  
206 -
207 207  === 2.2.3 Use CoAP protocol to uplink data ===
208 208  
209 209  
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220 220  
221 221  For parameter description, please refer to AT command set
222 222  
223 -[[image:image-20221021110948-8.png]]
235 +[[image:1670471530120-960.png||height="647" width="674"]]
224 224  
225 225  
226 226  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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239 239  
240 240  * (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
241 241  
242 -​ [[image:image-20221021111025-10.png]]
254 +​ [[image:1670471559211-638.png]]
243 243  
244 244  
245 245  [[image:image-20221021111033-11.png||height="241" width="576"]]
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265 265  
266 266  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
267 267  
268 -​ [[image:image-20221118103445-7.png]]
280 +​ [[image:1670471584490-640.png]]
269 269  
270 270  
271 271  [[image:1670405928926-116.png]]
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284 284  
285 285  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
286 286  
287 -​ [[image:1670406036256-101.png||height="676" width="713"]]
299 +​ [[image:1670471613823-833.png]]
288 288  
289 289  
290 290  [[image:image-20221021111131-15.png]]
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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**
326 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:450px" %)
327 +|=(% scope="row" style="width: 60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:50px;background-color:#4F81BD;color:white" %)**8**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:75px;background-color:#4F81BD;color:white" %)**1**|(% style="width:30px;background-color:#4F81BD;color:white" %)**1**|(% style="width:50px;background-color:#4F81BD;color:white" %)**1**|(% style="width:60px;background-color:#4F81BD;color:white" %)**2**|(% style="width:60px;background-color:#4F81BD;color:white" %)**2**
316 316  |=(% 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"]]
317 317  
318 -(% border="1" style="background-color:#ffffcc; color:green; width:350px" %)
330 +(% border="1" style="background-color:#ffffcc; color:green; width:429px" %)
319 319  |(% style="width:60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((
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" %)...
334 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:100px" %)...
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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326 326  [[image:1670406261143-723.png]]
327 327  
328 328  
329 -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__(%%)**
330 330  
331 -**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__(%%)**
332 -
333 333  **where:**
334 334  
335 335  * (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
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350 350  
351 351  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
352 352  
353 -
354 354  == 2.4  Payload Explanation and Sensor Interface ==
355 355  
356 356  === 2.4.1  Device ID ===
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372 372  
373 373  Specify the software version: 0x64=100, which means firmware version 1.00.
374 374  
375 -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.
376 376  
377 377  
378 378  === 2.4.3  Battery Info ===
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434 434  
435 435  By default, NMDS200 prints the downlink payload to console port.
436 436  
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 +
437 437  [[image:image-20221021111414-18.png]] ​
438 438  
439 439  
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465 465  * After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
466 466  * For each uplink probe, LED will be on for 500ms.
467 467  
468 -
469 469  == 2.7  Distance alarm function ==
470 470  
471 471  
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473 473  
474 474  (% style="color:#037691" %)**Example 1:**
475 475  
476 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
490 +AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
477 477  
478 478  AT+ ALARM2 =min,max
479 479  
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480 480  
481 481  (% style="color:#037691" %)**Example 2:**
482 482  
483 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
497 +AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
484 484  
485 485  
486 486  == 2.8  Set the number of data to be uploaded and the recording time ==
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508 508  == 2.10  ​Firmware Change Log ==
509 509  
510 510  
511 -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]]
512 512  
513 513  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
514 514  
515 515  
516 -== 2.11  ​Battery Analysis ==
530 +== 2.11 Battery & Power Consumption ==
517 517  
518 -=== 2.11.1  ​Battery Type ===
519 519  
533 +NMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
520 520  
521 -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/]] .
522 522  
523 -The battery is designed to last for several years depends on the actual use environment and update interval. 
524 524  
525 -The battery-related documents as below:
526 -
527 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
528 -
529 -* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
530 -
531 -* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
532 -
533 -[[image:image-20221021111911-26.png]] ​
534 -
535 -
536 -=== 2.11.2  Power consumption Analyze ===
537 -
538 -
539 -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.
540 -
541 -Instruction to use as below:
542 -
543 -(% 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/]]
544 -
545 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
546 -
547 -* Product Model
548 -
549 -* Uplink Interval
550 -
551 -* Working Mode
552 -
553 -And the Life expectation in difference case will be shown on the right.
554 -
555 -[[image:1666596205057-567.png]] ​
556 -
557 -
558 -=== 2.11.3  ​Battery Note ===
559 -
560 -
561 -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.
562 -
563 -
564 -=== 2.11.4  Replace the battery ===
565 -
566 -
567 -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).
568 -
569 -
570 570  = 3. ​ Access NB-IoT Module =
571 571  
572 572  
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691 691  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.
692 692  
693 693  
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 +
694 694  = 7. ​ Order Info =
695 695  
696 696  
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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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