Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 1.4 >
edited by Xiaoling
on 2022/10/19 16:31
To version < 83.1 >
edited by Xiaoling
on 2022/12/08 09:07
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1 -CPN01- NB-IoT Outdoor Open/Close Dry Contact Sensor User Manual
1 +NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
Content
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1 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652856952171-363.png?rev=1.1||alt="1652856952171-363.png"]]
1 +(% style="text-align:center" %)
2 +[[image:LMDS200_10.jpg]]
3 +
4 +
5 +**Table of Contents：**
6 +
7 +
8 +
9 +
10 +
11 += 1.  Introduction =
12 +
13 +== 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
14 +
15 +
16 +(((
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.
18 +
19 +
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.
21 +
22 +NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
23 +
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.
25 +
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.
27 +
28 +NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
29 +
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)
31 +
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 +)))
34 +
35 +
36 +
37 +== ​1.2  Features ==
38 +
39 +
40 +* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
41 +* Short uplink interval for Distance Alarm
42 +* Monitor Battery Level
43 +* Microwave Radar for distance detection
44 +* Datalog feature
45 +* Uplink periodically
46 +* Downlink to change configure
47 +* Wall Mountable
48 +* Outdoor Use
49 +* Ultra-Low Power consumption
50 +* AT Commands to change parameters
51 +* Micro SIM card slot for NB-IoT SIM
52 +* 8500mAh Battery for long-term use
53 +
54 +== 1.3 Radar probe specification ==
55 +
56 +
57 +* Measuring Method: FMCW
58 +* Frequency: 24.000 24.500 GHz
59 +* Measurement output power: 6dBm
60 +* Measure range: 0.5 20m
61 +* Accuracy: ±0.1m
62 +* Resolution: 0.01m
63 +* Horizontal Angel: 78°
64 +* Vertical Angel: 23°
65 +
66 +
67 +== 1.4  Storage Temperature ==
68 +
69 +
70 + -40°C to +85°C
71 +
72 +
73 +
74 +
75 +
76 +== 1.5 ​ Applications ==
77 +
78 +
79 +
80 +* Horizontal distance measurement
81 +* Liquid level measurement
82 +* Parking management system
83 +* Object proximity and presence detection
84 +* Intelligent trash can management system
85 +* Robot obstacle avoidance
86 +* Automatic control
87 +* Sewer
88 +* Bottom water level monitoring
89 +
90 +== 1.6  Specification ==
91 +
92 +
93 +(% style="color:blue" %)**Common DC Characteristics:**
94 +
95 +* Supply Voltage: 2.1v ~~ 3.6v
96 +* Operating Temperature: 0 ~~ 70°C
97 +
98 +(% style="color:blue" %)**NB-IoT Spec:**
99 +
100 +* B1 @H-FDD: 2100MHz
101 +* B3 @H-FDD: 1800MHz
102 +* B8 @H-FDD: 900MHz
103 +* B5 @H-FDD: 850MHz
104 +* B20 @H-FDD: 800MHz
105 +* B28 @H-FDD: 700MHz
106 +
107 +== 1.7  Installation ==
108 +
109 +
110 +Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
111 +
112 +
113 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
114 +
115 +
116 +
117 +== 1.8  Pin Definitions and Switch ==
118 +
119 +
120 +[[image:1670404362039-351.png]]
121 +
122 +
123 += 2.  Use NMDS200 to communicate with IoT Server =
124 +
125 +== 2.1  How it works ==
126 +
127 +
128 +The NB-IoT network will forward this value to IoT server via the protocol defined by NMDS200.
129 +
130 +The diagram below shows the working flow in the default firmware of NMDS200:
131 +
132 +[[image:image-20221021110615-5.png]]
133 +
134 +
135 +== 2.2 ​ Configure NMDS200 ==
136 +
137 +
138 +To use NMDS200 in your city, make sure to meet below requirements:
139 +
140 +* Your local operator has already distributed an NB-IoT Network.
141 +* The local NB-IoT network used the band that NMDS200 supports.
142 +* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
143 +
144 +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.
145 +
146 +[[image:image-20221207173300-4.png]]
147 +
148 +
149 +=== 2.2.1 Insert NB-IoT SIM card ===
150 +
151 +
152 +Insert the NB-IoT Card get from your provider.
153 +
154 +User needs to take out the NB-IoT module and insert the SIM card like below:
155 +
156 +[[image:image-20221021110745-6.png]] ​
157 +
158 +
159 +=== 2.2.2 Connect USB – TTL to NMDS200 and configure it ===
160 +
161 +
162 +User need to configure NMDS200 via serial port to set the (% style="color:red" %)**Server Address** / **Uplink Topic**(%%) to define where and how-to uplink packets. NMDS200 support AT Commands, user can use a USB to TTL adapter to connect to NMDS200 and use AT Commands to configure it, as below.
163 +
164 +(% style="color:blue" %)**Connection:**
165 +
166 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
167 +
168 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD**
169 +
170 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD**
171 +
172 +
173 +In the PC, use below serial tool settings:
174 +
175 +* Baud:  (% style="color:red" %)**9600**
176 +
177 +* Data bits:** (% style="color:red" %)8(%%)**
178 +
179 +* Stop bits: (% style="color:red" %)**1**
180 +
181 +* Parity:  (% style="color:red" %)**None**
182 +
183 +* Flow Control: (% style="color:red" %)**None**
184 +
185 +Make sure the switch is in FLASH position, then power on NMDS200 by connecting the (% style="color:orange" %)**Yellow Jumper**(%%).
186 +
187 +​[[image:image-20221021110817-7.png]]
188 +
189 +NMDS200 will output system info once powered on as below, we can enter the **password: 12345678** to access AT Command input.
190 +
191 +
192 +(% 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]]
193 +
194 +
195 +
196 +=== 2.2.3 Use CoAP protocol to uplink data ===
197 +
198 +
199 +(% style="color:red" %)**Note: if you don't have a CoAP server, you can refer this link to set up a CoAP server: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
200 +
201 +
202 +(% style="color:blue" %)**Use below commands in NDS03A:**
203 +
204 +* (% style="color:#037691" %)**AT+PRO=1**                (%%) ~/~/ Set to use CoAP protocol to uplink
205 +
206 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%) ~/~/ Set CoAP server address and port
207 +
208 +* (% style="color:#037691" %)**AT+URI=0,0,11,2,"mqtt" ** (%%) ~/~/  Set CoAP resource path
209 +
210 +For parameter description, please refer to AT command set
211 +
212 +[[image:image-20221021110948-8.png]]
213 +
214 +
215 +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.
216 +
217 +[[image:1670405841875-916.png]] ​
218 +
219 +
220 +=== 2.2.4 Use UDP protocol to uplink data(Default protocol) ===
221 +
222 +
223 +(% style="color:blue" %)**AT Commands:**
224 +
225 +* (% style="color:#037691" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
226 +
227 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  Set UDP server address and port
228 +
229 +* (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
230 +
231 +​ [[image:image-20221021111025-10.png]]
232 +
233 +
234 +[[image:image-20221021111033-11.png||height="241" width="576"]]
235 +
236 +​
237 +
238 +=== 2.2.5 Use MQTT protocol to uplink data ===
239 +
240 +
241 +(% style="color:blue" %)**AT Commands:**
242 +
243 +* (% style="color:#037691" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
244 +
245 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
246 +
247 +* (% style="color:#037691" %)**AT+CLIENT=CLIENT       ** (%%) ~/~/  Set up the CLIENT of MQTT
248 +
249 +* (% style="color:#037691" %)**AT+UNAME=UNAME                     **(%%)** **~/~/  Set the username of MQTT
250 +
251 +* (% style="color:#037691" %)**AT+PWD=PWD                         **(%%)** **~/~/  Set the password of MQTT
252 +
253 +* (% style="color:#037691" %)**AT+PUBTOPIC=NSE01_PUB              **(%%)** **~/~/  Set the sending topic of MQTT
254 +
255 +* (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
256 +
257 +​ [[image:image-20221118103445-7.png]]
258 +
259 +
260 +[[image:1670405928926-116.png]]
261 +
262 +​
263 +
264 +MQTT protocol has a much higher power consumption compare with UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
265 +
266 +
267 +=== 2.2.6 Use TCP protocol to uplink data ===
268 +
269 +
270 +(% style="color:blue" %)**AT Commands:**
271 +
272 +* (% style="color:#037691" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
273 +
274 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
275 +
276 +​ [[image:1670406036256-101.png||height="676" width="713"]]
277 +
278 +
279 +[[image:image-20221021111131-15.png]]
280 +
281 +​
282 +
283 +=== 2.2.7 Change Update Interval ===
284 +
285 +
286 +User can use below command to change the (% style="color:blue" %)**uplink interval**.
287 +
288 +* (% style="color:#037691" %)**AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (4 hours)
289 +
290 +(% style="color:red" %)**NOTE:**
291 +
292 +1.  By default, the device will send an uplink message every 4 hour.
293 +
294 +
295 +== 2.3  Uplink Payload ==
296 +
297 +
298 +The uplink payload includes 23 bytes in total by default.
299 +
300 +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.
301 +
302 +
303 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
304 +|=(% 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**
305 +|=(% 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
306 +
307 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
308 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
309 +**1-32 group**
310 +)))
311 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
312 +
313 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
314 +
315 +[[image:1670406261143-723.png]]
316 +
317 +
318 +The payload is ASCII string, representative same HEX: f867787050471071  0064  0cc3  09  01  00 00ef  013d  6390453d
319 +
320 +**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__(%%)**
321 +
322 +**where:**
323 +
324 +* (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
325 +
326 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
327 +
328 +* (% style="color:#037691" %)**BAT :**(%%)  0x0cc3 = 3267 mV = 3.267V
329 +
330 +* (% style="color:#037691" %)**Singal: **(%%)0x09 = 9
331 +
332 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
333 +
334 +* (% style="color:#037691" %)**Exit flag: **(%%)0x00 =0
335 +
336 +* (% style="color:#037691" %)**Distance 1: **(%%)0x00ef=239
337 +
338 +* (% style="color:#037691" %)**Distance 2: **(%%)0x013d =317
339 +
340 +* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
341 +
342 +
343 +== 2.4  Payload Explanation and Sensor Interface ==
344 +
345 +=== 2.4.1  Device ID ===
346 +
347 +
348 +By default, the Device ID is equal to the last 15 bits of IMEI.
349 +
350 +User can use (% style="color:blue" %)**AT+DEUI** (%%)to set Device ID
351 +
352 +**Example:**
353 +
354 +AT+DEUI=868411056754138
355 +
356 +The Device ID is stored in a non-erase area, Upgrade the firmware or run AT+FDR won't erase the Device ID.
357 +
358 +
359 +=== 2.4.2  Version Info ===
360 +
361 +
362 +Specify the software version: 0x64=100, which means firmware version 1.00.
363 +
364 +For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
365 +
366 +
367 +=== 2.4.3  Battery Info ===
368 +
369 +
370 +Check the battery voltage for NMDS200.
371 +
372 +Ex1: 0x0B45 = 2885mV
373 +
374 +Ex2: 0x0B49 = 2889mV
375 +
376 +
377 +=== 2.4.4  Signal Strength ===
378 +
379 +
380 +NB-IoT Network signal Strength.
381 +
382 +**Ex1: 0x1d = 29**
383 +
384 +**0**  -113dBm or less
385 +
386 +**1**  -111dBm
387 +
388 +**2...30** -109dBm... -53dBm
389 +
390 +**31**   -51dBm or greater
391 +
392 +**99**    Not known or not detectable
393 +
394 +
395 +=== 2.4.5  Distance ===
396 +
397 +
398 +[[image:1670407401682-959.png]]
399 +
400 +(% style="color:blue" %)**Object1 Distance:**
401 +
402 +Distance between sensor probe to the first object. (unit: cm)
403 +
404 +For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is
405 +
406 +(% style="color:blue" %)**0205(H) = 517 (D) = 517 cm.**
407 +
408 +
409 +(% style="color:blue" %)**Object2 Distance:**
410 +
411 +Distance between sensor probe to the second object. (unit: cm)
412 +
413 +
414 +=== 2.4.6  Timestamp ===
415 +
416 +
417 +Timestamp : 0x6315537b =1662342011
418 +
419 +
420 +== 2.5  Downlink Payload ==
421 +
422 +
423 +By default, NMDS200 prints the downlink payload to console port.
424 +
425 +[[image:image-20221021111414-18.png]] ​
426 +
427 +
428 +**Examples:**
429 +
430 +* (% style="color:#037691" %)**Set TDC**
431 +
432 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
433 +
434 +Payload:    01 00 00 1E    TDC=30S
435 +
436 +Payload:    01 00 00 3C    TDC=60S
437 +
438 +* (% style="color:#037691" %)**Reset**
439 +
440 +If payload = 0x04FF, it will reset the NMDS200
441 +
442 +* (% style="color:#037691" %)**INTMOD**
443 +
444 +Downlink Payload: 06000003, Set AT+INTMOD=3
445 +
446 +
447 +== 2.6  ​LED Indicator ==
448 +
449 +
450 +The NMDS200 has an internal LED which is to show the status of different states.
451 +
452 +* When the device starts normally, the LED will light up for 1 second.
453 +* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
454 +* For each uplink probe, LED will be on for 500ms.
455 +
456 +
457 +
458 +== 2.7  Distance alarm function ==
459 +
460 +
461 +(% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
462 +
463 +**Example 1:**
464 +
465 +AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
466 +
467 +AT+ ALARM2 =min,max
468 +
469 +
470 +**Example 2:**
471 +
472 +AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
473 +
474 +
475 +== 2.8  Set the number of data to be uploaded and the recording time ==
476 +
477 +
478 +(% style="color:blue" %)**AT Command:**
479 +
480 +(% style="color:#037691" %)**AT+TR=900**(%%)  ~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
481 +
482 +(% style="color:#037691" %)**AT+NOUD=8**(%%)** ** ~/~/  The device uploads 0 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
483 +
484 +
485 +== 2.9  Read or Clear cached data ==
486 +
487 +
488 +(% style="color:blue" %)**AT Command:**
489 +
490 +(% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
491 +
492 +(% style="color:#037691" %)**AT+CDP=0**  (%%) ~/~/ Clear cached data ​
493 +
494 +[[image:1670408172929-569.png]]
495 +
496 +
497 +== 2.10  ​Firmware Change Log ==
498 +
499 +
500 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
501 +
502 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
503 +
504 +
505 +== 2.11  ​Battery Analysis ==
506 +
507 +=== 2.11.1  ​Battery Type ===
508 +
509 +
510 +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.
511 +
512 +The battery is designed to last for several years depends on the actual use environment and update interval. 
513 +
514 +The battery-related documents as below:
515 +
516 +* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
517 +
518 +* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
519 +
520 +* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
521 +
522 +[[image:image-20221021111911-26.png]] ​
523 +
524 +
525 +=== 2.11.2  Power consumption Analyze ===
526 +
527 +
528 +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.
529 +
530 +Instruction to use as below:
531 +
532 +(% 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/]]
533 +
534 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose
535 +
536 +* Product Model
537 +
538 +* Uplink Interval
539 +
540 +* Working Mode
541 +
542 +And the Life expectation in difference case will be shown on the right.
543 +
544 +[[image:1666596205057-567.png]] ​
545 +
546 +
547 +=== 2.11.3  ​Battery Note ===
548 +
549 +
550 +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.
551 +
552 +
553 +=== 2.11.4  Replace the battery ===
554 +
555 +
556 +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).
557 +
558 +
559 += 3. ​ Access NB-IoT Module =
560 +
561 +
562 +Users can directly access the AT command set of the NB-IoT module.
563 +
564 +The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
565 +
566 +
567 +[[image:image-20221118094449-6.png]] ​
568 +
569 +
570 += 4.  Using the AT Commands =
571 +
572 +== 4.1  Access AT Commands ==
573 +
574 +
575 +See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
576 +
577 +AT+<CMD>?  : Help on <CMD>
578 +
579 +AT+<CMD>         : Run <CMD>
580 +
581 +AT+<CMD>=<value> : Set the value
582 +
583 +AT+<CMD>=?  : Get the value
584 +
585 +
586 +(% style="color:blue" %)**General Commands**      
587 +
588 +AT  : Attention       
589 +
590 +AT?  : Short Help     
591 +
592 +ATZ  : MCU Reset    
593 +
594 +AT+TDC  : Application Data Transmission Interval
595 +
596 +AT+CFG  : Print all configurations
597 +
598 +AT+CFGMOD           : Working mode selection
599 +
600 +AT+INTMOD            : Set the trigger interrupt mode
601 +
602 +AT+5VT  : Set extend the time of 5V power  
603 +
604 +AT+PRO  : Choose agreement
605 +
606 +AT+RXDL  : Extend the sending and receiving time
607 +
608 +AT+SERVADDR  : Server Address
609 +
610 +AT+TR      :  Get or Set record time
611 +
612 +AT+NOUD      : Get or Set the number of data to be uploaded
613 +
614 +AT+CDP     :  Read or Clear cached data
615 +
616 +AT+ DEBUG   : Enable or Disable debug mode
617 +
618 +AT+ TTRIG1   : Get or Set PB14 PIN Alarm Base on Timeout
619 +
620 +AT+ TTRIG2   : Get or Set PB15 PIN Alarm Base on Timeout
621 +
622 +AT+COUNTMOD  :  Get or Set the count mode
623 +
624 +AT+TTRCHANNEL  : Get or Set the number of interrupt channels
625 +
626 +AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute)
627 +
628 +AT+DISALARM  : Enable/Disable Alarm for door open/close or water leak event
629 +
630 +AT+ CLRC   :  Clear current door open count
631 +
632 +
633 +(% style="color:blue" %)**COAP Management**      
634 +
635 +AT+URI            : Resource parameters
636 +
637 +
638 +(% style="color:blue" %)**UDP Management**
639 +
640 +AT+CFM          : Upload confirmation mode (only valid for UDP)
641 +
642 +
643 +(% style="color:blue" %)**MQTT Management**
644 +
645 +AT+CLIENT               : Get or Set MQTT client
646 +
647 +AT+UNAME  : Get or Set MQTT Username
648 +
649 +AT+PWD                  : Get or Set MQTT password
650 +
651 +AT+PUBTOPIC  : Get or Set MQTT publish topic
652 +
653 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
654 +
655 +
656 +(% style="color:blue" %)**Information**          
657 +
658 +AT+FDR  : Factory Data Reset
659 +
660 +AT+PWORD  : Serial Access Password
661 +
662 +
663 += ​5.  FAQ =
664 +
665 +== 5.1 ​ How to Upgrade Firmware ==
666 +
667 +
668 +User can upgrade the firmware for 1) bug fix, 2) new feature release.
669 +
670 +Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
671 +
672 +(% style="color:red" %)**Notice: **(% style="color:blue" %)**NDS03A** (%%)**and (% style="color:blue" %)LDS03A(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
673 +
674 +
675 += 6.  Trouble Shooting =
676 +
677 +== 6.1  ​Connection problem when uploading firmware ==
678 +
679 +
680 +(% style="color:blue" %)**Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
681 +
682 +
683 +== 6.2  AT Command input doesn't work ==
684 +
685 +
686 +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.
687 +
688 +
689 += 7. ​ Order Info =
690 +
691 +
692 +Part Number**:** NDS03A
693 +
694 +
695 += 8.  Packing Info =
696 +
697 +
698 +(% style="color:blue" %)**Package Includes**:
699 +
700 +* NDS03A Open/Close Door Sensor x 1
701 +
702 += 9.  Support =
703 +
704 +
705 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
706 +
707 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
708 +
709 +​
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