Changes for page NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 17:03
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... ... @@ -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. 19 +))) 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. 23 +))) 21 21 25 +((( 22 22 NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one. 27 +))) 23 23 29 +((( 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. 31 +))) 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. 35 +))) 27 27 37 +((( 28 28 NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements. 39 +))) 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) 43 +))) 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 ... ... @@ -50,18 +50,22 @@ 50 50 * Micro SIM card slot for NB-IoT SIM 51 51 * 8500mAh Battery for long-term use 52 52 67 + 68 + 53 53 == 1.3 Radar probe specification == 54 54 55 55 56 56 * Measuring Method: FMCW 57 -* Frequency: 24.000 24.500 GHz 73 +* Frequency: 24.000 ~~ 24.500 GHz 58 58 * Measurement output power: 6dBm 59 -* Measure range: 0.5 20m 75 +* Measure range: 0.5 ~~ 20m 60 60 * Accuracy: ±0.1m 61 61 * Resolution: 0.01m 62 62 * Horizontal Angel: 78° 63 63 * Vertical Angel: 23° 64 64 81 + 82 + 65 65 == 1.4 Storage Temperature == 66 66 67 67 ... ... @@ -81,6 +81,8 @@ 81 81 * Sewer 82 82 * Bottom water level monitoring 83 83 102 + 103 + 84 84 == 1.6 Specification == 85 85 86 86 ... ... @@ -98,6 +98,8 @@ 98 98 * B20 @H-FDD: 800MHz 99 99 * B28 @H-FDD: 700MHz 100 100 121 + 122 + 101 101 == 1.7 Installation == 102 102 103 103 ... ... @@ -104,10 +104,13 @@ 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"]]129 +[[image:image-20221207170748-1.png]] 108 108 109 109 132 + [[image:image-20221207170748-2.png||height="345" width="634"]] 110 110 134 + 135 + 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]] 151 +[[image:image-20221021110615-5.png||height="996" width="492"]] 127 127 128 128 129 129 == 2.2 Configure NMDS200 == ... ... @@ -186,7 +186,6 @@ 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 ... ... @@ -203,7 +203,7 @@ 203 203 204 204 For parameter description, please refer to AT command set 205 205 206 -[[image: image-20221021110948-8.png]]230 +[[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]]249 + [[image:1670471559211-638.png]] 226 226 227 227 228 228 [[image:image-20221021111033-11.png||height="241" width="576"]] ... ... @@ -248,7 +248,7 @@ 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]]275 + [[image:1670471584490-640.png]] 252 252 253 253 254 254 [[image:1670405928926-116.png]] ... ... @@ -267,7 +267,7 @@ 267 267 268 268 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600 ** (%%) ~/~/ Set TCP server address and port 269 269 270 - [[image:16704 06036256-101.png||height="676" width="713"]]294 + [[image:1670471613823-833.png]] 271 271 272 272 273 273 [[image:image-20221021111131-15.png]] ... ... @@ -294,15 +294,15 @@ 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:5 10px" %)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 321 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:450px" %) 322 +|=(% 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** 323 +|=(% 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" %)(((325 +(% border="1" style="background-color:#ffffcc; color:green; width:429px" %) 326 +|(% 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" %)...329 +|(% 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 ... ... @@ -334,6 +334,7 @@ 334 334 * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time) 335 335 336 336 361 + 337 337 == 2.4 Payload Explanation and Sensor Interface == 338 338 339 339 === 2.4.1 Device ID === ... ... @@ -594,13 +594,13 @@ 594 594 595 595 AT+INTMOD : Set the trigger interrupt mode 596 596 597 -AT+5VT 622 +AT+5VT : Set extend the time of 5V power 598 598 599 -AT+PRO 624 +AT+PRO : Choose agreement 600 600 601 -AT+RXDL 626 +AT+RXDL : Extend the sending and receiving time 602 602 603 -AT+SERVADDR 628 +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 636 +AT+DEBUG: Enable or Disable debug mode 612 612 613 613 AT+ALARM1: Get or Set alarm of distance1 614 614 ... ... @@ -688,6 +688,8 @@ 688 688 689 689 * NMDS200 NB-IoT Microwave Radar Distance Sensor x 1 690 690 716 + 717 + 691 691 = 9. Support = 692 692 693 693
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