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Version 82.14 by Xiaoling on 2023/08/19 14:12
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1 (% style="text-align:center" %)
2 [[image:image-20230819102136-3.png]]
3
4
5
6 **Table of Contents：**
7
8 {{toc/}}
9
10
11
12
13
14
15 = 1. Introduction =
16
17 == 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
18
19
20 The Dragino S31-NB and S31B-NB are (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the surrounding (% style="color:blue" %)**environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
21
22 The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
23
24 S31-NB supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP** for different application requirement. and Support Uplinks to various IoT Servers.
25
26 S31-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
27
28 *make sure you have NB-IoT coverage locally.
29
30
31 [[image:1692411831805-116.png]]
32
33
34 == 1.2 ​Features ==
35
36
37 * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
38 * Ultra-low power consumption
39 * External 3 meters SHT31 probe (For S31-NB)
40 * Measure range -40°C ~~ 85°C
41 * Temperature & Humidity alarm
42 * Multiply Sampling and one uplink
43 * Support Bluetooth v5.1 remote configure and update firmware
44 * Uplink on periodically
45 * Downlink to change configure
46 * 8500mAh Battery for long term use
47 * Nano SIM card slot for NB-IoT SIM
48
49 == 1.3 Specification ==
50
51
52 (% style="color:#037691" %)**Common DC Characteristics:**
53
54 * Supply Voltage: 2.1v ~~ 3.6v
55 * Operating Temperature: -40 ~~ 85°C
56
57 (% style="color:#037691" %)**Temperature Sensor:**
58
59 * Range: -40 to + 80°C
60 * Accuracy: ±0.2 @ 0-90 °C
61 * Resolution: 0.1°C
62 * Long Term Shift: <0.03 °C/yr
63
64 (% style="color:#037691" %)**Humidity Sensor: **
65
66 * Range: 0 ~~ 99.9% RH
67 * Accuracy: ± 2%RH ( 0 ~~ 100%RH)
68 * Resolution: 0.01% RH
69 * Long Term Shift: <0.25 %RH/yr
70
71 (% style="color:#037691" %)**NB-IoT Spec:**
72
73 **NB-IoT Module: BC660K-GL**
74
75 Support Bands:
76
77 * B1 @H-FDD: 2100MHz
78 * B2 @H-FDD: 1900MHz
79 * B3 @H-FDD: 1800MHz
80 * B4 @H-FDD: 2100MHz
81 * B5 @H-FDD: 860MHz
82 * B8 @H-FDD: 900MHz
83 * B12 @H-FDD: 720MHz
84 * B13 @H-FDD: 740MHz
85 * B17 @H-FDD: 730MHz
86 * B18 @H-FDD: 870MHz
87 * B19 @H-FDD: 870MHz
88 * B20 @H-FDD: 790MHz
89 * B25 @H-FDD: 1900MHz
90 * B28 @H-FDD: 750MHz
91 * B66 @H-FDD: 2000MHz
92 * B70 @H-FDD: 2000MHz
93 * B85 @H-FDD: 700MHz
94
95 (% style="color:#037691" %)**Battery:**
96
97 * Li/SOCI2 un-chargeable battery
98 * Capacity: 8500mAh
99 * Self Discharge: <1% / Year @ 25°C
100 * Max continuously current: 130mA
101 * Max boost current: 2A, 1 second
102
103 (% style="color:#037691" %)**Power Consumption**
104
105 * STOP Mode: 10uA @ 3.3v
106 * Max transmit power: 350mA@3.3v
107
108 == 1.4 Applications ==
109
110
111 * Smart Buildings & Home Automation
112 * Logistics and Supply Chain Management
113 * Smart Metering
114 * Smart Agriculture
115 * Smart Cities
116 * Smart Factory
117
118 == 1.5 Sleep mode and working mode ==
119
120
121 (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
122
123 (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
124
125
126
127 == 1.6 Button & LEDs ==
128
129
130 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
131
132
133 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
134 |=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width:225px;background-color:#4F81BD;color:white" %)**Action**
135 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
136 If sensor has already attached to NB-IoT network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
137 Meanwhile, BLE module will be active and user can connect via BLE to configure device.
138 )))
139 |(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
140 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to attach NB-IoT network.
141 (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
142 Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device attach NB-IoT network or not.
143 )))
144 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
145
146 == 1.7 BLE connection ==
147
148
149 S31x-NB support BLE remote configure and firmware update.
150
151
152 BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
153
154 * Press button to send an uplink
155 * Press button to active device.
156 * Device Power on or reset.
157
158 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
159
160
161 == 1.8 Pin Definitions & Switch ==
162
163
164 S31x-NB use the mother board from S31-NB which as below.
165
166 [[image:image-20230819104805-5.png]]
167
168
169
170 === 1.8.1 Jumper JP2 ===
171
172
173 Power on Device when put this jumper.
174
175
176 === 1.8.2 BOOT MODE / SW1 ===
177
178
179 1) (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
180
181 2) (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
182
183
184 === 1.8.3 Reset Button ===
185
186
187 Press to reboot the device.
188
189
190
191 == 1.9 Hardware Variant ==
192
193
194 (% border="1" cellspacing="5" style="width:410px" %)
195 |=(% style="width: 102px;background-color:#4F81BD;color:white" %)Model|=(% style="width: 126px; background-color:#4F81BD;color:white" %)Photo|=(% style="width: 179px;background-color:#4F81BD;color:white" %)Probe Info
196 |(% style="width:102px" %)(((
197 S31-LB
198 )))|(% style="width:126px" %)(((
199 (% style="text-align:center" %)
200 [[image:image-20230819110632-6.png||height="130" width="104"]]
201 )))|(% style="width:179px" %)(((
202 1 x SHT31 Probe
203
204 Cable Length : 3 meters
205
206
207 )))
208 |(% style="width:102px" %)(((
209 S31B-LB
210 )))|(% style="width:126px" %)(((
211 (% style="text-align:center" %)
212 [[image:image-20230819110702-7.png||height="164" width="90"]]
213 )))|(% style="width:179px" %)(((
214 1 x SHT31 Probe
215
216 Installed in device.
217 )))
218
219 (% style="display:none" %)
220
221
222
223
224 = 2. Use S31-NB to communicate with IoT Server =
225
226 == 2.1 Send data to IoT server via NB-IoT network ==
227
228
229 The S31-NB is equipped with a NB-IoT module, the pre-loaded firmware in S31-NB 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 S31-NB.
230
231
232 Below shows the network structure:
233
234 [[image:1692415924540-357.png]]
235
236
237 There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB.
238
239
240 (% style="color:blue" %)**GE Version**(%%): This version doesn’t include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set S31-NB send data to IoT server.
241
242 1. Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]].
243
244 1. Set up sensor to point to IoT Server. See instruction of [[Configure to Connect Different Servers>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.Configuretoconnecttodifferentservers]]. 
245
246 Below shows result of different server as a glance.
247
248
249 (% border="1" cellspacing="4" style="width:515px" %)
250 |(% style="background-color:#4f81bd; color:white; width:100px" %)**Servers**|(% style="background-color:#4f81bd; color:white; width:300px" %)**Dash Board**|(% style="background-color:#4f81bd; color:white; width:115px" %)**Comments**
251 |(% style="width:127px" %)[[Node-Red>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.5A0Node-RedA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-8.png||height="183" width="367"]]|(% style="width:170px" %)
252 |(% style="width:127px" %)[[DataCake>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]|(% style="width:385px" %)[[image:image-20230819113244-9.png||height="120" width="369"]]|(% style="width:170px" %)
253 |(% style="width:127px" %)[[Tago.IO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.7A0Tago.ioA028viaA0MQTT29]]|(% style="width:385px" %) |(% style="width:170px" %)
254 |(% style="width:127px" %)[[General UDP>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.1GeneralA0UDPA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)
255 |(% style="width:127px" %)[[General MQTT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.2GeneralA0MQTTA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)
256 |(% style="width:127px" %)[[ThingSpeak>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.3A0ThingSpeakA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-10.png||height="82" width="291"]]|(% style="width:170px" %)
257 |(% style="width:127px" %)[[ThingsBoard>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.6A0ThingsBoard.CloudA028viaA0MQTT29]]|(% style="width:385px" %)[[image:image-20230819113244-11.png||height="113" width="293"]]|(% style="width:170px" %)
258 |(% style="width:127px" %) |(% style="width:385px" %) |(% style="width:170px" %)
259
260 (% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate S31-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].
261
262
263 == 2.2 ​Payload Types ==
264
265
266 To meet different server requirement, S31-NB supports different payload type.
267
268 **Includes:**
269
270 * [[General JSON format payload>>path:#General_Json]]. (Type=5)
271
272 * [[HEX format Payload>>path:#HEX_Payload]]. (Type=0)
273
274 * [[ThingSpeak Format>>path:#ThingSpeak_Payload]]. (Type=1)
275
276 * [[ThingsBoard Format>>path:#ThingsBoard_Payload]]. (Type=3)
277
278 User can specify the payload type when choose the connection protocol. Example:
279
280 (% style="color:#037691" %)**AT+PRO=2,0**  (%%) ~/~/ Use UDP Connection & hex Payload
281
282 (% style="color:#037691" %)**AT+PRO=2,5**   (%%) ~/~/ Use UDP Connection & Json Payload
283
284 (% style="color:#037691" %)**AT+PRO=3,5 ** (%%) ~/~/ Use MQTT Connection & Json Payload
285
286
287 === 2.2.1 General Json Format (Type~=5) ===
288
289
290 This is the General Json Format. As below:
291
292 (% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S31x-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**
293
294
295 (% style="color:red" %)**Notice, from above payload:**
296
297 * Temperature , Humidity , Battery & Signal are the value at uplink time.
298
299 * Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Temperature, Humidity, Sampling time.
300
301
302 === 2.2.2 HEX format Payload(Type~=0) ===
303
304
305 This is the HEX Format. As below:
306
307 (% style="color:#4472c4" %)**f86620705346276200640cba16010000000011011801e864d49c2d011a01e364d49925011901eb64d49871011901e564d497bd011a01e664d49709011901e964d49655011a01e864d495a1011a01e864d494ed011801e864d49439**
308
309 [[image:1692424009971-458.png]]
310
311
312 (% style="color:blue" %)**Version:**
313
314 These bytes include the hardware and software version.
315
316 (% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for S31B-NB & S31-NB
317
318 (% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100
319
320
321 (% style="color:blue" %)**BAT (Battery Info):**
322
323 Ex1: 0x0CBA = 3258mV
324
325
326 (% style="color:blue" %)**Signal Strength:**
327
328 NB-IoT Network signal Strength.
329
330 **Ex1: 0x16 = 22**
331
332 **0**  -113dBm or less
333
334 **1**  -111dBm
335
336 **2...30** -109dBm... -53dBm
337
338 **31**   -51dBm or greater
339
340 **99**    Not known or not detectable
341
342
343 (% style="color:blue" %)**Temperature: **
344
345 If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
346
347 If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
348
349 (FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
350
351
352 (% style="color:blue" %)**Humidity:   **
353
354 Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
355
356
357 (% style="color:blue" %)**TimeStamp:   **
358
359 Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
360
361 Put the decimal value into this link(https:~/~/www.epochconverter.com/) to get the time.
362
363
364 === 2.2.3 ThingsBoard Payload(Type~=3) ===
365
366
367 Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
368
369 (% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24}**
370
371
372 === 2.2.4 ThingSpeak Payload(Type~=1) ===
373
374
375 This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:
376
377 Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
378
379 As below:
380
381 (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
382
383
384 == 2.3 Test Uplink and Change Update Interval ==
385
386
387 By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8
388
389 User can use below commands to change the (% style="color:blue" %)**uplink interval**.
390
391 (% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s
392
393 User can also push the button for more than 1 seconds to activate an uplink.
394
395
396 == 2.4 Multi-Samplings and One uplink ==
397
398
399 To save battery life, S31-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
400
401 * (% style="color:#037691" %)**AT+TR=900**   (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)
402
403 * (% 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.
404
405 The diagram below explains the relationship between TR, NOUD, and TDC more clearly:
406
407 [[image:1692424376354-959.png]]
408
409
410 == 2.5 Humidity and Temperature alarm function ==
411
412
413 On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink.
414
415
416 (% style="color:blue" %)**AT Commands:**
417
418 (% style="color:#037691" %)**AT+ SHHUM=min,max**
419
420 Example: AT+ SHHUM=50,80  ~/~/ Alarm when humidity lower than 50 or higher than 80.
421
422
423 (% style="color:#037691" %)**AT+ SHTEMP=min,max**
424
425 Example: AT+ SHTEMP=20,30  ~/~/ Alarm when temperature lower than 20 or higher than 30
426
427
428 (% style="color:red" %)**Notice:**
429
430 * To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.**
431
432 * If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.**
433
434
435 == 2.6 Trggier an uplink by external interrupt ==
436
437
438 S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
439
440 (% style="color:blue" %)**AT command:**
441
442 * (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
443
444 * (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt
445
446 * (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge
447
448 * (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge
449
450 * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
451
452 = 3. Configure S31x-NB =
453
454 == 3.1 Configure Methods ==
455
456
457 S31x-NB supports below configure method:
458
459 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
460
461 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
462
463 == 3.2 AT Commands Set ==
464
465
466 AT+<CMD>?        : Help on <CMD>
467
468 AT+<CMD>         : Run <CMD>
469
470 AT+<CMD>=<value> : Set the value
471
472 AT+<CMD>=?       : Get the value
473
474
475 (% style="color:blue" %)**General Commands**      
476
477 AT                    : Attention       
478
479 AT?  : Short Help     
480
481 ATZ  : MCU Reset    
482
483 AT+TDC  : Application Data Transmission Interval
484
485 AT+CFG  : Print all configurations
486
487 AT+CFGMOD           : Working mode selection
488
489 AT+DEUI  : Get or set the Device ID
490
491 AT+INTMOD            : Set the trigger interrupt mode
492
493 AT+5VT           : Set extend the time of 5V power  
494
495 AT+PRO          : Choose agreement
496
497 AT+RXDL  : Extend the sending and receiving time
498
499 AT+DNSCFG  : Get or Set DNS Server
500
501 AT+GETSENSORVALUE   : Returns the current sensor measurement
502
503 AT+NOUD  : Get or Set the number of data to be uploaded
504
505 AT+CDP     : Read or Clear cached data
506
507 AT+SHTEMP:  Get or Set alarm of temp
508
509 AT+SHHUM:  Get or Set alarm of moisture
510
511 AT+SERVADDR :  Server Address
512
513
514 (% style="color:blue" %)**UDP Management**
515
516 AT+CFM  :  Upload confirmation mode (only valid for UDP)
517
518
519 (% style="color:blue" %)**MQTT Management**
520
521 AT+CLIENT               : Get or Set MQTT client
522
523 AT+UNAME              : Get or Set MQTT Username
524
525 AT+PWD                  : Get or Set MQTT password
526
527 AT+PUBTOPIC  : Get or Set MQTT publish topic
528
529 AT+SUBTOPIC  : Get or Set MQTT subscription topic
530
531
532 (% style="color:blue" %)**Information**          
533
534 AT+FDR  : Factory Data Reset
535
536 AT+PWORD  : Serial Access Password
537
538 AT+LDATA  : Get the last upload data
539
540 AT+CDP  : Read or Clear cached data
541
542
543 = 4. Battery & Power Consumption =
544
545
546 S31x-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
547
548 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
549
550
551 = 5. Firmware update =
552
553
554 User can change device firmware to::
555
556 * Update with new features.
557
558 * Fix bugs.
559
560 Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
561
562 Methods to Update Firmware:
563
564 * (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].
565
566 * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
567
568
569
570
571 = 6. FAQ =
572
573
574
575 = 7. Order Info =
576
577
578 Part Number: (% style="color:blue" %)**S31-LB-XX  / S31B-LB-XX**
579
580 (% style="color:red" %)**XX**(%%): The default frequency band
581
582 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
583
584 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
585
586 * (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
587
588 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
589
590 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
591
592 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
593
594 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
595
596 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
597
598 = 8. ​Packing Info =
599
600
601 (% style="color:#037691" %)**Package Includes**:
602
603 * S31x-LB LoRaWAN Temperature & Humidity Sensor
604
605 (% style="color:#037691" %)**Dimension and weight**:
606
607 * Device Size: cm
608
609 * Device Weight: g
610
611 * Package Size / pcs : cm
612
613 * Weight / pcs : g
614
615 = 9. Support =
616
617
618 * 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.
619
620 * 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.cc>>mailto:Support@dragino.cc]].
621
622 (% style="display:none" %) (%%)