Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 114.1 >
edited by Xiaoling
on 2022/07/09 16:11
To version < 104.2 >
edited by Xiaoling
on 2022/07/09 15:21
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... ... @@ -211,15 +211,15 @@
211 211  
212 212  
213 213  
214 -=== 2.2.4  Connect USB – TTL to N95S31B to configure it ===
214 +=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
215 215  
216 216  (((
217 217  (((
218 -User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
218 +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.
219 219  )))
220 220  )))
221 221  
222 -[[image:1657351312545-300.png]]
222 +[[image:image-20220709092052-2.png]]
223 223  
224 224  **Connection:**
225 225  
... ... @@ -239,18 +239,18 @@
239 239  * Flow Control: (% style="color:green" %)**None**
240 240  
241 241  (((
242 -Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
242 +Make sure the switch is in FLASH position, then power on device by connecting the jumper on NDDS75. NDDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
243 243  )))
244 244  
245 245  [[image:1657329814315-101.png]]
246 246  
247 247  (((
248 -(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
248 +(% 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/]]
249 249  )))
250 250  
251 251  
252 252  
253 -=== 2.2.5  Use CoAP protocol to uplink data ===
253 +=== 2.2.4 Use CoAP protocol to uplink data ===
254 254  
255 255  (% 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/]]
256 256  
... ... @@ -270,12 +270,10 @@
270 270  )))
271 271  
272 272  (((
273 -
274 -
275 275  For parameter description, please refer to AT command set
276 276  )))
277 277  
278 -[[image:1657352146020-183.png]]
276 +[[image:1657330452568-615.png]]
279 279  
280 280  
281 281  (((
... ... @@ -282,11 +282,11 @@
282 282  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.
283 283  )))
284 284  
285 -[[image:1657352185396-303.png]]
283 +[[image:1657330472797-498.png]]
286 286  
287 287  
288 288  
289 -=== 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
287 +=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
290 290  
291 291  
292 292  * (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
... ... @@ -293,16 +293,15 @@
293 293  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
294 294  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
295 295  
296 -[[image:1657352391268-297.png]]
294 +[[image:1657330501006-241.png]]
297 297  
298 298  
299 -[[image:1657352403317-397.png]]
297 +[[image:1657330533775-472.png]]
300 300  
301 301  
302 302  
303 -=== 2.2.7  Use MQTT protocol to uplink data ===
301 +=== 2.2.6 Use MQTT protocol to uplink data ===
304 304  
305 -N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
306 306  
307 307  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
308 308  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
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309 309  * (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
310 310  * (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
311 311  * (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
312 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527  **(%%)~/~/Set the sending topic of MQTT
313 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527  **(%%) ~/~/Set the subscription topic of MQTT
309 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
310 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
314 314  
315 -[[image:1657352634421-276.png]]
312 +[[image:1657249978444-674.png]]
316 316  
317 317  
318 -[[image:1657352645687-385.png]]
315 +[[image:1657330723006-866.png]]
319 319  
320 -(((
321 -To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period.
322 -)))
323 323  
324 -
325 325  (((
326 -MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
319 +MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
327 327  )))
328 328  
329 329  
330 330  
331 -=== 2.2.8  Use TCP protocol to uplink data ===
324 +=== 2.2.7 Use TCP protocol to uplink data ===
332 332  
333 -This feature is supported since firmware version v110
334 334  
335 335  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
336 336  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
337 337  
338 -[[image:1657352898400-901.png]]
330 +[[image:image-20220709093918-1.png]]
339 339  
340 340  
341 -[[image:1657352914475-252.png]]
333 +[[image:image-20220709093918-2.png]]
342 342  
343 343  
344 344  
345 -=== 2.2.9  Change Update Interval ===
337 +=== 2.2.8 Change Update Interval ===
346 346  
347 347  User can use below command to change the (% style="color:green" %)**uplink interval**.
348 348  
... ... @@ -349,11 +349,15 @@
349 349  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
350 350  
351 351  (((
352 -
344 +(% style="color:red" %)**NOTE:**
353 353  )))
354 354  
347 +(((
348 +(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
349 +)))
355 355  
356 356  
352 +
357 357  == 2.3  Uplink Payload ==
358 358  
359 359  In this mode, uplink payload includes in total 14 bytes
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