Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 99.1 >
edited by Xiaoling
on 2022/07/11 14:10
To version < 108.11 >
edited by Xiaoling
on 2023/04/04 13:39
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -53,9 +53,9 @@
53 53  [[image:1657327959271-447.png]]
54 54  
55 55  
56 -
57 57  == 1.2 ​ Features ==
58 58  
58 +
59 59  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
60 60  * Ultra low power consumption
61 61  * Distance Detection by Ultrasonic technology
... ... @@ -70,8 +70,10 @@
70 70  * 8500mAh Battery for long term use
71 71  
72 72  
73 +
73 73  == 1.3  Specification ==
74 74  
76 +
75 75  (% style="color:#037691" %)**Common DC Characteristics:**
76 76  
77 77  * Supply Voltage: 2.1v ~~ 3.6v
... ... @@ -79,12 +79,12 @@
79 79  
80 80  (% style="color:#037691" %)**NB-IoT Spec:**
81 81  
82 -* - B1 @H-FDD: 2100MHz
83 -* - B3 @H-FDD: 1800MHz
84 -* - B8 @H-FDD: 900MHz
85 -* - B5 @H-FDD: 850MHz
86 -* - B20 @H-FDD: 800MHz
87 -* - B28 @H-FDD: 700MHz
84 +* B1 @H-FDD: 2100MHz
85 +* B3 @H-FDD: 1800MHz
86 +* B8 @H-FDD: 900MHz
87 +* B5 @H-FDD: 850MHz
88 +* B20 @H-FDD: 800MHz
89 +* B28 @H-FDD: 700MHz
88 88  
89 89  (% style="color:#037691" %)**Battery:**
90 90  
... ... @@ -97,11 +97,13 @@
97 97  (% style="color:#037691" %)**Power Consumption**
98 98  
99 99  * STOP Mode: 10uA @ 3.3v
100 -* Max transmit power: 350mA@3.3v
102 +* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
101 101  
102 102  
105 +
103 103  == ​1.4  Applications ==
104 104  
108 +
105 105  * Smart Buildings & Home Automation
106 106  * Logistics and Supply Chain Management
107 107  * Smart Metering
... ... @@ -119,11 +119,11 @@
119 119  [[image:1657328609906-564.png]]
120 120  
121 121  
122 -
123 123  = 2.  Use NDDS75 to communicate with IoT Server =
124 124  
125 125  == 2.1  How it works ==
126 126  
130 +
127 127  (((
128 128  The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
129 129  )))
... ... @@ -143,12 +143,11 @@
143 143  
144 144  )))
145 145  
146 -
147 147  == 2.2 ​ Configure the NDDS75 ==
148 148  
149 -
150 150  === 2.2.1 Test Requirement ===
151 151  
154 +
152 152  (((
153 153  To use NDDS75 in your city, make sure meet below requirements:
154 154  )))
... ... @@ -158,7 +158,7 @@
158 158  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
159 159  
160 160  (((
161 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
164 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server.
162 162  )))
163 163  
164 164  
... ... @@ -165,9 +165,9 @@
165 165  [[image:1657328756309-230.png]]
166 166  
167 167  
168 -
169 169  === 2.2.2 Insert SIM card ===
170 170  
173 +
171 171  (((
172 172  Insert the NB-IoT Card get from your provider.
173 173  )))
... ... @@ -180,9 +180,9 @@
180 180  [[image:1657328884227-504.png]]
181 181  
182 182  
183 -
184 184  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
185 185  
188 +
186 186  (((
187 187  (((
188 188  User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
... ... @@ -191,15 +191,16 @@
191 191  
192 192  [[image:image-20220709092052-2.png]]
193 193  
194 -**Connection:**
195 195  
196 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
198 +(% style="color:blue" %)**Connection:**
197 197  
198 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
200 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
199 199  
200 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
202 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
201 201  
204 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
202 202  
206 +
203 203  In the PC, use below serial tool settings:
204 204  
205 205  * Baud:  (% style="color:green" %)**9600**
... ... @@ -214,17 +214,18 @@
214 214  
215 215  [[image:1657329814315-101.png]]
216 216  
221 +
217 217  (((
218 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
223 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]**
219 219  )))
220 220  
221 221  
222 -
223 223  === 2.2.4 Use CoAP protocol to uplink data ===
224 224  
225 -(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
226 226  
230 +(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)**[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]**
227 227  
232 +
228 228  (((
229 229  **Use below commands:**
230 230  )))
... ... @@ -233,33 +233,40 @@
233 233  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
234 234  )))
235 235  * (((
236 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
241 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
237 237  )))
238 238  * (((
239 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
244 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
245 +
246 +
247 +
240 240  )))
241 241  
242 242  (((
243 243  For parameter description, please refer to AT command set
252 +
253 +
244 244  )))
245 245  
246 246  [[image:1657330452568-615.png]]
247 247  
248 248  
259 +
249 249  (((
250 250  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
262 +
263 +
251 251  )))
252 252  
253 253  [[image:1657330472797-498.png]]
254 254  
255 255  
256 -
257 257  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
258 258  
259 259  
260 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
261 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
262 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
272 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
273 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
274 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
263 263  
264 264  [[image:1657330501006-241.png]]
265 265  
... ... @@ -267,17 +267,16 @@
267 267  [[image:1657330533775-472.png]]
268 268  
269 269  
270 -
271 271  === 2.2.6 Use MQTT protocol to uplink data ===
272 272  
273 273  
274 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
275 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
276 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
277 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
278 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
279 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
280 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
285 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
286 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
287 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
288 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
289 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
290 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
291 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
281 281  
282 282  [[image:1657249978444-674.png]]
283 283  
... ... @@ -290,12 +290,11 @@
290 290  )))
291 291  
292 292  
293 -
294 294  === 2.2.7 Use TCP protocol to uplink data ===
295 295  
296 296  
297 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
298 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
307 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
308 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
299 299  
300 300  [[image:image-20220709093918-1.png]]
301 301  
... ... @@ -303,28 +303,34 @@
303 303  [[image:image-20220709093918-2.png]]
304 304  
305 305  
306 -
307 307  === 2.2.8 Change Update Interval ===
308 308  
318 +
309 309  User can use below command to change the (% style="color:green" %)**uplink interval**.
310 310  
311 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
321 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
312 312  
313 313  (((
324 +
325 +
326 +
314 314  (% style="color:red" %)**NOTE:**
315 -)))
316 316  
317 -(((
318 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
330 +
331 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
319 319  )))
320 320  
334 +(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
321 321  
322 322  
323 323  == 2.3  Uplink Payload ==
324 324  
325 -In this mode, uplink payload includes in total 14 bytes
339 +=== 2.3.1  Before Firmware v1.3.2 ===
326 326  
327 327  
342 +In this mode, uplink payload includes in total 14 bytes
343 +
328 328  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
329 329  |=(% style="width: 60px;" %)(((
330 330  **Size(bytes)**
... ... @@ -332,49 +332,82 @@
332 332  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
333 333  
334 334  (((
335 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
351 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
336 336  )))
337 337  
338 338  
339 339  [[image:1657331036973-987.png]]
340 340  
341 -(((
357 +
358 +The payload is **ASCII** string, representative same HEX:
359 +
360 +(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
361 +
362 +**where :**
363 +
364 +* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
365 +
366 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
367 +
368 +* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
369 +
370 +* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
371 +
372 +* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
373 +
374 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
375 +
376 +
377 +
378 +=== 2.3.2  Since firmware v1.3.2 ===
379 +
380 +
381 +In this mode, uplink payload includes 69 bytes in total by default.
382 +
383 +Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
384 +
385 +(% border="1" style="background-color:#ffffcc; color:green; width:490px" %)
386 +|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:25px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:25px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:70px" %)**4**|(% style="width:40px" %)**2**|(% style="width:60px" %)**4**
387 +|=(% style="width: 95px;" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
388 +
389 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
390 +
391 +[[image:image-20220908175246-1.png]]
392 +
393 +
342 342  The payload is ASCII string, representative same HEX:
343 -)))
344 344  
345 -(((
346 -0x72403155615900640c6c19029200 where:
347 -)))
396 +**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
348 348  
349 -* (((
350 -Device ID: 0x724031556159 = 724031556159
351 -)))
352 -* (((
353 -Version: 0x0064=100=1.0.0
354 -)))
398 +**where:**
355 355  
356 -* (((
357 -BAT: 0x0c6c = 3180 mV = 3.180V
358 -)))
359 -* (((
360 -Signal: 0x19 = 25
361 -)))
362 -* (((
363 -Distance: 0x0292= 658 mm
364 -)))
365 -* (((
366 -Interrupt: 0x00 = 0
400 +* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
367 367  
402 +* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
368 368  
404 +* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
369 369  
370 -
371 -)))
406 +* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
372 372  
373 -== 2.4  Payload Explanation and Sensor Interface ==
408 +* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
374 374  
410 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
375 375  
412 +* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
413 +
414 +* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
415 +
416 +* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
417 +
418 +* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
419 +
420 +
421 +
422 +== 2.4  Payload Explanation and Sensor Interface ==
423 +
376 376  === 2.4.1  Device ID ===
377 377  
426 +
378 378  (((
379 379  By default, the Device ID equal to the last 6 bytes of IMEI.
380 380  )))
... ... @@ -381,10 +381,12 @@
381 381  
382 382  (((
383 383  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
433 +
434 +
384 384  )))
385 385  
386 386  (((
387 -**Example:**
438 +(% style="color:blue" %)**Example :**
388 388  )))
389 389  
390 390  (((
... ... @@ -392,13 +392,25 @@
392 392  )))
393 393  
394 394  (((
395 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
446 +The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
396 396  )))
397 397  
398 398  
450 +(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
399 399  
452 +(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
453 +
454 +User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
455 +
456 +
457 +(% style="color:blue" %)**Example :**
458 +
459 +AT+DEUI=868411056754138
460 +
461 +
400 400  === 2.4.2  Version Info ===
401 401  
464 +
402 402  (((
403 403  Specify the software version: 0x64=100, means firmware version 1.00.
404 404  )))
... ... @@ -408,9 +408,9 @@
408 408  )))
409 409  
410 410  
411 -
412 412  === 2.4.3  Battery Info ===
413 413  
476 +
414 414  (((
415 415  Ex1: 0x0B45 = 2885mV
416 416  )))
... ... @@ -420,9 +420,9 @@
420 420  )))
421 421  
422 422  
423 -
424 424  === 2.4.4  Signal Strength ===
425 425  
488 +
426 426  (((
427 427  NB-IoT Network signal Strength.
428 428  )))
... ... @@ -452,9 +452,9 @@
452 452  )))
453 453  
454 454  
455 -
456 456  === 2.4.5  Distance ===
457 457  
520 +
458 458  Get the distance. Flat object range 280mm - 7500mm.
459 459  
460 460  (((
... ... @@ -471,12 +471,9 @@
471 471  
472 472  )))
473 473  
474 -(((
475 -
476 -)))
477 -
478 478  === 2.4.6  Digital Interrupt ===
479 479  
539 +
480 480  (((
481 481  Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
482 482  )))
... ... @@ -486,7 +486,7 @@
486 486  )))
487 487  
488 488  (((
489 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
549 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
490 490  )))
491 491  
492 492  
... ... @@ -508,9 +508,9 @@
508 508  )))
509 509  
510 510  
511 -
512 512  === 2.4.7  ​+5V Output ===
513 513  
573 +
514 514  (((
515 515  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
516 516  )))
... ... @@ -518,10 +518,14 @@
518 518  
519 519  (((
520 520  The 5V output time can be controlled by AT Command.
581 +
582 +
521 521  )))
522 522  
523 523  (((
524 524  (% style="color:blue" %)**AT+5VT=1000**
587 +
588 +
525 525  )))
526 526  
527 527  (((
... ... @@ -529,9 +529,9 @@
529 529  )))
530 530  
531 531  
532 -
533 533  == 2.5  Downlink Payload ==
534 534  
598 +
535 535  By default, NDDS75 prints the downlink payload to console port.
536 536  
537 537  [[image:image-20220709100028-1.png]]
... ... @@ -581,125 +581,88 @@
581 581  )))
582 582  
583 583  
648 +== 2.6  Distance alarm function(Since firmware v1.3.2) ==
584 584  
585 -== 2.6  ​LED Indicator ==
586 586  
651 +(% style="color:blue" %)** ➢ AT Command:**
587 587  
588 -The NDDS75 has an internal LED which is to show the status of different state.
653 +(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
589 589  
655 +² When min=0, and max≠0, Alarm higher than max
590 590  
591 -* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
592 -* Then the LED will be on for 1 second means device is boot normally.
593 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
594 -* For each uplink probe, LED will be on for 500ms.
657 +² When min≠0, and max=0, Alarm lower than min
595 595  
596 -(((
597 -
598 -)))
659 +² When min≠0 and max≠0, Alarm higher than max or lower than min
599 599  
600 600  
662 +(% style="color:blue" %)** Example:**
601 601  
602 -== 2.7  ​Firmware Change Log ==
664 +**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
603 603  
604 604  
605 -(((
606 -Download URL & Firmware Change log
607 -)))
667 +== 2.7  Set the number of data to be uploaded and the recording time ==
608 608  
609 -(((
610 -[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
611 -)))
612 612  
670 +(% style="color:blue" %)** ➢ AT Command:**
613 613  
614 -(((
615 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
616 -)))
672 +* (% 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)
673 +* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
617 617  
675 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
618 618  
677 +[[image:image-20221009001114-1.png||height="687" width="955"]]
619 619  
620 -== 2.8  ​Battery Analysis ==
621 621  
622 -=== 2.8.1  ​Battery Type ===
680 +== 2.8  Read or Clear cached data ==
623 623  
624 624  
625 -(((
626 -The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-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.
627 -)))
683 +(% style="color:blue" %)** ➢ AT Command:**
628 628  
629 -(((
630 -The battery is designed to last for several years depends on the actually use environment and update interval. 
631 -)))
685 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
686 +* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
632 632  
633 -(((
634 -The battery related documents as below:
635 -)))
688 +[[image:image-20220908175333-2.png]]
636 636  
637 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
638 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
639 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
640 640  
641 -(((
642 -[[image:image-20220709101450-2.png]]
643 -)))
691 +== 2.9  ​LED Indicator ==
644 644  
645 645  
694 +The NDDS75 has an internal LED which is to show the status of different state.
646 646  
647 -=== 2.8.2  Power consumption Analyze ===
648 648  
649 -(((
650 -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.
651 -)))
697 +* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
698 +* Then the LED will be on for 1 second means device is boot normally.
699 +* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
700 +* For each uplink probe, LED will be on for 500ms.
652 652  
653 -
654 654  (((
655 -Instruction to use as below:
703 +
656 656  )))
657 657  
658 -(((
659 -(% 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/]]
660 -)))
661 661  
707 +== 2.10  ​Firmware Change Log ==
662 662  
663 -(((
664 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
665 -)))
666 666  
667 -* (((
668 -Product Model
669 -)))
670 -* (((
671 -Uplink Interval
672 -)))
673 -* (((
674 -Working Mode
675 -)))
676 -
677 677  (((
678 -And the Life expectation in difference case will be shown on the right.
711 +Download URL & Firmware Change log:  [[https:~~/~~/www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0>>https://www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0]]
679 679  )))
680 680  
681 -[[image:image-20220709110451-3.png]]
682 -
683 -
684 -
685 -=== 2.8.3  ​Battery Note ===
686 -
687 687  (((
688 -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.
715 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
689 689  )))
690 690  
691 691  
719 +== 2.11 Battery & Power Consumption ==
692 692  
693 -=== 2.8.4  Replace the battery ===
694 694  
695 -(((
696 -The default battery pack of NDDS75 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).
697 -)))
722 +NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
698 698  
724 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
699 699  
700 700  
701 701  = 3. ​ Access NB-IoT Module =
702 702  
729 +
703 703  (((
704 704  Users can directly access the AT command set of the NB-IoT module.
705 705  )))
... ... @@ -706,90 +706,107 @@
706 706  
707 707  (((
708 708  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/]] 
736 +
737 +
709 709  )))
710 710  
711 711  [[image:1657333200519-600.png]]
712 712  
713 713  
714 -
715 715  = 4.  Using the AT Commands =
716 716  
717 717  == 4.1  Access AT Commands ==
718 718  
719 -See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
720 720  
748 +See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
721 721  
722 -AT+<CMD>?  : Help on <CMD>
723 723  
724 -AT+<CMD>         : Run <CMD>
751 +AT+<CMD>?  :  Help on <CMD>
725 725  
726 -AT+<CMD>=<value> : Set the value
753 +AT+<CMD>         :  Run <CMD>
727 727  
728 -AT+<CMD>=?  : Get the value
755 +AT+<CMD>=<value> :  Set the value
729 729  
757 +AT+<CMD>=?  :  Get the value
730 730  
759 +
731 731  (% style="color:#037691" %)**General Commands**(%%)      
732 732  
733 -AT  : Attention       
762 +AT  :  Attention       
734 734  
735 -AT?  : Short Help     
764 +AT?  :  Short Help     
736 736  
737 -ATZ  : MCU Reset    
766 +ATZ  :  MCU Reset    
738 738  
739 -AT+TDC  : Application Data Transmission Interval
768 +AT+TDC  :  Application Data Transmission Interval
740 740  
741 -AT+CFG  : Print all configurations
770 +AT+CFG  :  Print all configurations
742 742  
743 -AT+CFGMOD           : Working mode selection
772 +AT+CFGMOD           :  Working mode selection
744 744  
745 -AT+INTMOD            : Set the trigger interrupt mode
774 +AT+INTMOD            :  Set the trigger interrupt mode
746 746  
747 -AT+5VT  : Set extend the time of 5V power  
776 +AT+5VT  :  Set extend the time of 5V power  
748 748  
749 -AT+PRO  : Choose agreement
778 +AT+PRO  :  Choose agreement
750 750  
751 -AT+WEIGRE  : Get weight or set weight to 0
780 +AT+WEIGRE  :  Get weight or set weight to 0
752 752  
753 -AT+WEIGAP  : Get or Set the GapValue of weight
782 +AT+WEIGAP  :  Get or Set the GapValue of weight
754 754  
755 -AT+RXDL  : Extend the sending and receiving time
784 +AT+RXDL  :  Extend the sending and receiving time
756 756  
757 -AT+CNTFAC  : Get or set counting parameters
786 +AT+CNTFAC  :  Get or set counting parameters
758 758  
759 -AT+SERVADDR  : Server Address
788 +AT+SERVADDR  :  Server Address
760 760  
790 +AT+TR  :  Get or Set record time"
761 761  
792 +AT+APN     :  Get or set the APN
793 +
794 +AT+FBAND  :  Get or Set whether to automatically modify the frequency band
795 +
796 +AT+DNSCFG  : Get or Set DNS Server
797 +
798 +AT+GETSENSORVALUE   :  Returns the current sensor measurement
799 +
800 +AT+NOUD  :  Get or Set the number of data to be uploaded
801 +
802 +AT+CDP     :  Read or Clear cached data
803 +
804 +AT+LDDSALARM :  Get or Set alarm of distance
805 +
806 +
762 762  (% style="color:#037691" %)**COAP Management**      
763 763  
764 -AT+URI            : Resource parameters
809 +AT+URI            :  Resource parameters
765 765  
766 766  
767 767  (% style="color:#037691" %)**UDP Management**
768 768  
769 -AT+CFM          : Upload confirmation mode (only valid for UDP)
814 +AT+CFM          :  Upload confirmation mode (only valid for UDP)
770 770  
771 771  
772 772  (% style="color:#037691" %)**MQTT Management**
773 773  
774 -AT+CLIENT               : Get or Set MQTT client
819 +AT+CLIENT  :  Get or Set MQTT client
775 775  
776 -AT+UNAME  : Get or Set MQTT Username
821 +AT+UNAME  :  Get or Set MQTT Username
777 777  
778 -AT+PWD                  : Get or Set MQTT password
823 +AT+PWD  :  Get or Set MQTT password
779 779  
780 -AT+PUBTOPIC  : Get or Set MQTT publish topic
825 +AT+PUBTOPIC  :  Get or Set MQTT publish topic
781 781  
782 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
827 +AT+SUBTOPIC  :  Get or Set MQTT subscription topic
783 783  
784 784  
785 785  (% style="color:#037691" %)**Information**          
786 786  
787 -AT+FDR  : Factory Data Reset
832 +AT+FDR  :  Factory Data Reset
788 788  
789 -AT+PWORD  : Serial Access Password
834 +AT+PWORD  :  Serial Access Password
790 790  
791 791  
792 -
793 793  = ​5.  FAQ =
794 794  
795 795  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -804,11 +804,10 @@
804 804  )))
805 805  
806 806  (((
807 -(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
851 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
808 808  )))
809 809  
810 810  
811 -
812 812  = 6.  Trouble Shooting =
813 813  
814 814  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -823,13 +823,11 @@
823 823  
824 824  )))
825 825  
826 -
827 827  == 6.2  AT Command input doesn't work ==
828 828  
871 +
829 829  (((
830 830  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.
831 -
832 -
833 833  )))
834 834  
835 835  
... ... @@ -839,11 +839,6 @@
839 839  Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
840 840  
841 841  
842 -(% class="wikigeneratedid" %)
843 -(((
844 -
845 -)))
846 -
847 847  = 8.  Packing Info =
848 848  
849 849  (((
... ... @@ -869,11 +869,11 @@
869 869  (((
870 870  
871 871  
872 -
873 873  
874 874  )))
875 875  
876 876  = 9.  Support =
877 877  
913 +
878 878  * 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.
879 879  * 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]]
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