Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -19,29 +19,34 @@ 19 19 20 20 == 1.1 What is N95S31B NB-IoT Sensor Node == 21 21 22 -((( 23 - 24 24 23 +((( 25 25 The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*. 25 +))) 26 26 27 +((( 27 27 The temperature & humidity sensor used in N95S31B 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. 29 +))) 28 28 31 +((( 29 29 N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement. 33 +))) 30 30 35 +((( 31 31 N95S31B 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. Please check related Power Analyze report). 37 +))) 32 32 33 - 39 +((( 34 34 ~* make sure you have NB-IoT coverage locally. 35 - 36 - 37 37 ))) 38 38 43 + 39 39 [[image:1657348284168-431.png]] 40 40 41 41 42 - 43 43 == 1.2 Features == 44 44 49 + 45 45 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 46 46 * Monitor Temperature & Humidity via SHT31 47 47 * AT Commands to change parameters ... ... @@ -53,6 +53,8 @@ 53 53 * Micro SIM card slot for NB-IoT SIM 54 54 * 8500mAh Battery for long term use 55 55 61 + 62 + 56 56 == 1.3 Specification == 57 57 58 58 ... ... @@ -63,16 +63,15 @@ 63 63 64 64 (% style="color:#037691" %)**NB-IoT Spec:** 65 65 66 -* -B1 @H-FDD: 2100MHz67 -* -B3 @H-FDD: 1800MHz68 -* -B8 @H-FDD: 900MHz69 -* -B5 @H-FDD: 850MHz70 -* -B20 @H-FDD: 800MHz71 -* -B28 @H-FDD: 700MHz73 +* B1 @H-FDD: 2100MHz 74 +* B3 @H-FDD: 1800MHz 75 +* B8 @H-FDD: 900MHz 76 +* B5 @H-FDD: 850MHz 77 +* B20 @H-FDD: 800MHz 78 +* B28 @H-FDD: 700MHz 72 72 73 73 (% style="color:#037691" %)**Battery:** 74 74 75 - 76 76 * Li/SOCI2 un-chargeable battery 77 77 * Capacity: 8500mAh 78 78 * Self Discharge: <1% / Year @ 25°C ... ... @@ -79,8 +79,11 @@ 79 79 * Max continuously current: 130mA 80 80 * Max boost current: 2A, 1 second 81 81 88 + 89 + 82 82 == 1.4 Applications == 83 83 92 + 84 84 * Smart Buildings & Home Automation 85 85 * Logistics and Supply Chain Management 86 86 * Smart Metering ... ... @@ -92,40 +92,49 @@ 92 92 93 93 94 94 95 -== 1.5 Pin Definitions == 104 +== 1.5 Pin Definitions & Switch == 96 96 106 + 97 97 N95S31B use the mother board from NBSN95 which as below. 98 98 109 + 99 99 [[image:image-20220709144723-1.png]] 100 100 101 101 102 102 === 1.5.1 Jumper JP2 === 103 103 115 + 104 104 Power on Device when put this jumper. 105 105 106 106 107 - 108 108 === 1.5.2 BOOT MODE / SW1 === 109 109 110 -1) 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. 111 111 112 -2) Flash: work mode, device starts to work and send out console output for further debug 122 +((( 123 +**1) 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. 124 +))) 113 113 126 +((( 127 +**2) Flash:** work mode, device starts to work and send out console output for further debug 128 +))) 114 114 115 115 116 116 === 1.5.3 Reset Button === 117 117 133 + 118 118 Press to reboot the device. 119 119 120 120 121 - 122 122 === 1.5.4 LED === 123 123 139 + 124 124 It will flash: 125 125 126 -1. When boot the device in flash mode 127 -1. Send an uplink packet 142 +1. When boot the device in flash mode 128 128 144 +2. Send an uplink packet 145 + 146 + 129 129 = 2. Use N95S31B to communicate with IoT Server = 130 130 131 131 == 2.1 How it works == ... ... @@ -144,16 +144,14 @@ 144 144 145 145 ))) 146 146 147 -[[image:1657 350248151-650.png]]165 +[[image:1657520100595-569.png]] 148 148 149 149 ((( 150 150 151 151 ))) 152 152 153 - 154 154 == 2.2 Configure the N95S31B == 155 155 156 - 157 157 === 2.2.1 Power On N95S31B === 158 158 159 159 ... ... @@ -160,26 +160,48 @@ 160 160 [[image:image-20220709150546-2.png]] 161 161 162 162 163 -=== 2.2. 1Test Requirement ===179 +=== 2.2.2 Test Requirement === 164 164 165 165 182 +((( 166 166 To use N95S31B in your city, make sure meet below requirements: 184 +))) 167 167 168 -* Your local operator has already distributed a NB-IoT Network there. 169 -* The local NB-IoT network used the band that N95S31B supports. 170 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 186 +* ((( 187 +Your local operator has already distributed a NB-IoT Network there. 188 +))) 189 +* ((( 190 +The local NB-IoT network used the band that N95S31B supports. 191 +))) 192 +* ((( 193 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 194 +))) 171 171 196 +((( 172 172 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. 198 +))) 173 173 200 +((( 174 174 N95S31B supports different communication protocol such as : 202 +))) 175 175 176 176 ((( 177 -* CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 178 -* raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 179 -* MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 180 -* TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 205 +* ((( 206 +CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 207 +))) 208 +* ((( 209 +raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 210 +))) 211 +* ((( 212 +MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 213 +))) 214 +* ((( 215 +TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 216 +))) 181 181 218 +((( 182 182 We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server. 220 +))) 183 183 184 184 185 185 ))) ... ... @@ -187,9 +187,9 @@ 187 187 [[image:1657350625843-586.png]] 188 188 189 189 190 - 191 191 === 2.2.3 Insert SIM card === 192 192 230 + 193 193 ((( 194 194 Insert the NB-IoT Card get from your provider. 195 195 ))) ... ... @@ -202,26 +202,29 @@ 202 202 [[image:1657351240556-536.png]] 203 203 204 204 205 - 206 206 === 2.2.4 Connect USB – TTL to N95S31B to configure it === 207 207 245 + 208 208 ((( 209 209 ((( 210 210 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. 249 + 250 + 211 211 ))) 212 212 ))) 213 213 214 214 [[image:1657351312545-300.png]] 215 215 216 -**Connection:** 217 217 218 - background-color:yellow" %)USB TTL GND <~-~-~-~-> GND257 +(% style="color:blue" %)**Connection:** 219 219 220 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~->UART_RXD259 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND** 221 221 222 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD261 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)** 223 223 263 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)** 224 224 265 + 225 225 In the PC, use below serial tool settings: 226 226 227 227 * Baud: (% style="color:green" %)**9600** ... ... @@ -236,17 +236,18 @@ 236 236 237 237 [[image:1657329814315-101.png]] 238 238 280 + 239 239 ((( 240 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]282 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]]** 241 241 ))) 242 242 243 243 244 - 245 245 === 2.2.5 Use CoAP protocol to uplink data === 246 246 247 -(% 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/]] 248 248 289 +(% 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/]]** 249 249 291 + 250 250 ((( 251 251 **Use below commands:** 252 252 ))) ... ... @@ -255,10 +255,10 @@ 255 255 (% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 256 256 ))) 257 257 * ((( 258 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 300 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 259 259 ))) 260 260 * ((( 261 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 303 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/ Set COAP resource path 262 262 ))) 263 263 264 264 ((( ... ... @@ -277,7 +277,6 @@ 277 277 [[image:1657352185396-303.png]] 278 278 279 279 280 - 281 281 === 2.2.6 Use UDP protocol to uplink data(Default protocol) === 282 282 283 283 ... ... @@ -291,18 +291,18 @@ 291 291 [[image:1657352403317-397.png]] 292 292 293 293 294 - 295 295 === 2.2.7 Use MQTT protocol to uplink data === 296 296 337 + 297 297 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 298 298 299 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 300 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 301 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 302 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 303 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 304 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 305 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/Set the subscription topic of MQTT 340 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/ Set to use MQTT protocol to uplink 341 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/ Set MQTT server address and port 342 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/ Set up the CLIENT of MQTT 343 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/ Set the username of MQTT 344 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/ Set the password of MQTT 345 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/ Set the sending topic of MQTT 346 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/ Set the subscription topic of MQTT 306 306 307 307 [[image:1657352634421-276.png]] 308 308 ... ... @@ -309,19 +309,19 @@ 309 309 310 310 [[image:1657352645687-385.png]] 311 311 353 + 312 312 ((( 313 313 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. 314 314 ))) 315 315 316 - 317 317 ((( 318 318 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. 319 319 ))) 320 320 321 321 322 - 323 323 === 2.2.8 Use TCP protocol to uplink data === 324 324 365 + 325 325 This feature is supported since firmware version v110 326 326 327 327 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink ... ... @@ -333,9 +333,9 @@ 333 333 [[image:1657352914475-252.png]] 334 334 335 335 336 - 337 337 === 2.2.9 Change Update Interval === 338 338 379 + 339 339 User can use below command to change the (% style="color:green" %)**uplink interval**. 340 340 341 341 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -344,44 +344,70 @@ 344 344 345 345 ))) 346 346 388 +((( 389 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:** 390 +))) 347 347 392 +((( 393 +(% 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).** 394 +))) 348 348 396 + 349 349 == 2.3 Uplink Payload == 350 350 351 351 352 -NBSN95 has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes. 400 +((( 401 +N95S31B has different working modes for the connections of different types of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes. 402 +))) 353 353 354 354 405 +((( 355 355 For example: 407 +))) 356 356 357 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 409 +((( 410 + (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/ will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 411 +))) 358 358 359 359 414 +((( 360 360 The uplink payloads are composed in ASCII String. For example: 416 +))) 361 361 418 +((( 362 362 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 420 +))) 363 363 422 +((( 364 364 0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes 424 +))) 365 365 366 366 427 +((( 367 367 (% style="color:red" %)**NOTE:** 429 +))) 368 368 369 369 (% style="color:red" %) 370 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]]. 371 -1. By default, the device will send an uplink message every 1 hour. 432 +1. ((( 433 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].** 434 +))) 435 +1. ((( 436 +**By default, the device will send an uplink message every 1 hour.** 372 372 373 373 439 + 440 +))) 374 374 375 375 === 2.3.1 Payload Analyze === 376 376 377 - N95S31Buplink payload includesin total21bytes444 +==== 2.3.1.1 Before Firmware v1.2 ==== 378 378 379 379 380 - (% border="1"cellspacing="10"style="background-color:#ffffcc;color:green;width:520px"%)381 - |=(% style="width: 60px;" %)(((382 - **Size(bytes)**383 -)) )|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width:70px;" %)**1**|=(% style="width: 55px;" %)1|=(% style="width: 115px;" %)5|=(% style="width:60px;" %)**2**|=(% style="width:60px;" %)**2**384 -|(% style="width:97px" %)**Value**|(% style="width: 83px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:123px" %)MOD 0X01|(% style="width:99px" %)(((447 +N95S31B uplink payload includes in total 21 bytes. 448 + 449 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 450 +|=(% style="width: 50px;background-color:#D9E2F3" %)**Size(bytes)**|=(% style="width: 45px;background-color:#D9E2F3" %)**6**|=(% style="width: 25px;background-color:#D9E2F3" %)2|=(% style="width: 25px;background-color:#D9E2F3" %)**2**|=(% style="width: 65px;background-color:#D9E2F3" %)**1**|=(% style="width: 50px;background-color:#D9E2F3" %)1|=(% style="width: 120px;background-color:#D9E2F3" %)5|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2** 451 +|(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:162px" %)((( 385 385 ((( 386 386 Reserve/ Same as NBSN95 CFGMOD=1 387 387 ))) ... ... @@ -389,7 +389,7 @@ 389 389 ((( 390 390 No function here. 391 391 ))) 392 -)))|(% style="width: 77px" %)(((459 +)))|(% style="width:102px" %)((( 393 393 ((( 394 394 [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]] 395 395 ))) ... ... @@ -397,7 +397,7 @@ 397 397 ((( 398 398 By SHT31 399 399 ))) 400 -)))|(% style="width:8 0px" %)(((467 +)))|(% style="width:81px" %)((( 401 401 ((( 402 402 [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]] 403 403 ))) ... ... @@ -408,6 +408,8 @@ 408 408 ))) 409 409 410 410 ((( 478 + 479 + 411 411 ((( 412 412 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 413 413 ))) ... ... @@ -417,29 +417,89 @@ 417 417 [[image:1657354294009-643.png]] 418 418 419 419 420 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:489 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186** 421 421 422 -* Device ID: 0x724031607457 = 724031607457 423 -* Version: 0x006e=110=1.1.0 491 +**where:** 424 424 425 -* BAT: 0x0ccd = 3277 mV = 3.277V 426 -* Signal: 0x1b = 27 427 -* Model: 0x01 = 1 428 -* 0x00dc000ccc= reserve, ignore in N95S31B 429 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C 430 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh 493 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457 431 431 495 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0 496 + 497 +* (% style="color:#037691" %)**BAT:** (%%) 0x0ccd = 3277 mV = 3.277V 498 + 499 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27 500 + 501 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1 502 + 503 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B** 504 + 505 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C 506 + 507 +* (% style="color:#037691" %)**Humidity by SHT31:** (%%) 0x0186 = 390 = 39.0 %rh 508 + 432 432 ((( 433 433 434 -))) 435 435 436 -((( 437 437 438 438 ))) 439 439 515 +==== 2.3.1.2 Since Firmware v1.2 ==== 440 440 517 + 518 +In this mode, uplink payload includes 91 bytes in total by default. 519 + 520 +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. 521 + 522 + 523 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 524 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:55px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**4** 525 +|=(% style="width: 95px;" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:43px" %)Ver|(% style="width:47px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:56px" %)MOD|(% style="width:109px" %)TemDS18B20|(% style="width:80px" %)Interrupt|(% style="width:51px" %)ADC|(% style="width:79px" %)SHTTEM|(% style="width:84px" %)SHTHUM|(% style="width:100px" %)Time stamp |(% style="width:76px" %)SHTTEM|(% style="width:81px" %)SHTHUM|(% style="width:121px" %)Time stamp ..... 526 + 527 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data. 528 + 529 + 530 +[[image:image-20220908154949-1.png]] 531 + 532 + 533 +The payload is ASCII string, representative same HEX: 534 + 535 +**0x (% style="color:red" %)__f868411056758782__ (% style="color:blue" %)__000c__ (% style="color:green" %)__0d0f__ (% style="color:#00b0f0" %)__0c__ (% style="color:#7030a0" %)__01__ (% style="color:#d60093" %)__0000__ (% style="color:#a14d07" %)__00__ __0030__ (% style="color:#0020b0" %)__0114__ (% style="color:#420042" %)__0231__ (% style="color:#663300" %)__63199d3c__ (%%)__0113023163199d12__ __0113023163199c5e__// //__0112023763199baa__ __0112023263199af6__// //__0111023b631999a7__ ** 536 + 537 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__** 538 + 539 +**where:** 540 + 541 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782 542 + 543 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2 544 + 545 +* (% style="color:#037691" %)**BAT:** (%%)0x0d0f = 3343 mV = 3.343V 546 + 547 +* (% style="color:#037691" %)**Singal:**(%%) 0x0c = 12 548 + 549 +* (% style="color:#037691" %)**Mod:**(%%) 0x01 = 1 550 + 551 +* (% style="color:#037691" %)**TemDS18B20:**(%%) 0x0000= 0 = 0 552 + 553 +* (% style="color:#037691" %)**Interrupt:** (%%)0x00= 0 554 + 555 +* (% style="color:#037691" %)**adc:**(%%) 0x0030= 48 556 + 557 +* (% style="color:#037691" %)**SHTTEM:**(%%) 0x0114= 276 = 27.6 558 + 559 +* (% style="color:#037691" %)**SHTHUM:**(%%) 0x0231 =561=56.1% 560 + 561 +* (% style="color:#037691" %)**Time stamp : **(%%)0x63199d3c =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 562 + 563 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%) 0113023163199d12 564 + 565 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, ....... 566 + 567 + 568 + 441 441 === 2.3.2 Device ID === 442 442 571 + 443 443 ((( 444 444 By default, the Device ID equal to the last 6 bytes of IMEI. 445 445 ))) ... ... @@ -446,10 +446,12 @@ 446 446 447 447 ((( 448 448 User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID 578 + 579 + 449 449 ))) 450 450 451 451 ((( 452 -**Example:** 583 +(% style="color:blue" %)**Example:** 453 453 ))) 454 454 455 455 ((( ... ... @@ -457,30 +457,54 @@ 457 457 ))) 458 458 459 459 ((( 460 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID. 591 +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. 592 + 593 + 461 461 ))) 462 462 596 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:** 463 463 464 464 599 +By default, the Device ID equal to the last 15 bits of IMEI. 600 + 601 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID 602 + 603 + 604 +(% style="color:blue" %)**Example:** 605 + 606 +AT+DEUI=868411056754138 607 + 608 + 465 465 === 2.3.3 Version Info === 466 466 467 467 612 +((( 468 468 These bytes include the hardware and software version. 614 +))) 469 469 470 -Higher byte: Specify hardware version: always 0x00 for N95S31B 616 +((( 617 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B 618 +))) 471 471 472 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110 620 +((( 621 +**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110 622 +))) 473 473 624 +((( 625 + 626 +))) 474 474 628 +((( 475 475 For example: 0x00 6E: this device is N95S31B with firmware version 110. 630 +))) 476 476 477 477 ((( 478 478 479 479 ))) 480 480 481 - 482 482 === 2.3.4 Battery Info === 483 483 638 + 484 484 ((( 485 485 Ex1: 0x0B45 = 2885mV 486 486 ))) ... ... @@ -490,9 +490,9 @@ 490 490 ))) 491 491 492 492 493 - 494 494 === 2.3.5 Signal Strength === 495 495 650 + 496 496 ((( 497 497 NB-IoT Network signal Strength. 498 498 ))) ... ... @@ -522,9 +522,9 @@ 522 522 ))) 523 523 524 524 525 - 526 526 === 2.3.6 Temperature & Humidity === 527 527 682 + 528 528 The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 529 529 530 530 [[image:image-20220709161741-3.png]] ... ... @@ -540,14 +540,18 @@ 540 540 Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 541 541 542 542 543 - 544 544 == 2.4 Downlink Payload == 545 545 546 -By default, NDDS75 prints the downlink payload to console port. 547 547 548 - [[image:image-20220709100028-1.png]]701 +By default, N95S31B prints the downlink payload to console port. 549 549 703 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 704 +|(% style="background-color:#d9e2f3; color:#0070c0; width:200px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:170px" %)**Downlink payload size(bytes)** 705 +|(% style="width:204px" %)TDC(Transmit Time Interval)|(% style="width:80px" %)Any|(% style="width:94px" %)01|(% style="width:150px" %)4 706 +|(% style="width:204px" %)RESET|(% style="width:80px" %)Any|(% style="width:94px" %)04|(% style="width:150px" %)2 707 +|(% style="width:204px" %)INTMOD|(% style="width:80px" %)Any|(% style="width:94px" %)06|(% style="width:150px" %)4 550 550 709 + 551 551 ((( 552 552 (% style="color:blue" %)**Examples:** 553 553 ))) ... ... @@ -581,7 +581,7 @@ 581 581 ))) 582 582 583 583 ((( 584 -If payload = 0x04FF, it will reset the DDS75743 +If payload = 0x04FF, it will reset the N95S31B 585 585 ))) 586 586 587 587 ... ... @@ -592,69 +592,76 @@ 592 592 ))) 593 593 594 594 754 +== 2.5 Humidity and Temperature alarm function == 595 595 596 -== 2.5 Battery Analysis == 597 597 598 - ===2.5.1BatteryType===757 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 599 599 600 600 601 -((( 602 -The N95S31B 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. 603 -))) 760 +(% style="color:#037691" %)**AT+ SHHUM=min,max** 604 604 605 -((( 606 -The battery is designed to last for several years depends on the actually use environment and update interval. 607 -))) 608 608 609 -((( 610 -The battery related documents as below: 611 -))) 763 +² When min=0, and max≠0, Alarm higher than max 612 612 613 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 614 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 615 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 765 +² When min≠0, and max=0, Alarm lower than min 616 616 617 -((( 618 -[[image:image-20220709101450-2.png]] 619 -))) 767 +² When min≠0 and max≠0, Alarm higher than max or lower than min 620 620 621 621 770 + (% style="color:blue" %)**Example:** 622 622 623 - ===2.5.2PowerconsumptionAnalyze===772 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50. 624 624 625 -((( 626 -The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project. 627 -))) 628 628 629 -((( 630 - 631 -))) 775 +(% style="color:#037691" %)**AT+ SHTEMP=min,max** 632 632 777 +² When min=0, and max≠0, Alarm higher than max 633 633 634 - ===2.5.3BatteryNote===779 +² When min≠0, and max=0, Alarm lower than min 635 635 636 -((( 637 -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 uplink data, then the battery life may be decreased. 638 -))) 781 +² When min≠0 and max≠0, Alarm higher than max or lower than min 639 639 640 640 784 +**~ (% style="color:blue" %)Example:(%%)** 641 641 642 - ===2.5.4Replacethebattery===786 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20. 643 643 644 644 645 -((( 646 -You can change the battery in the N95S31B.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 647 -))) 789 +== 2.6 Set the number of data to be uploaded and the recording time == 648 648 649 649 650 -((( 651 -The default battery pack of N95S31B 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). 652 -))) 792 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 653 653 794 +* (% 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) 795 +* (% 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. 654 654 797 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:** 655 655 799 +[[image:image-20221009001045-1.png||height="726" width="1009"]] 800 + 801 + 802 +== 2.7 Read or Clear cached data == 803 + 804 + 805 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 806 + 807 +* (% style="color:#037691" %)**AT+CDP** (%%) ~/~/ Read cached data 808 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/ Clear cached data 809 + 810 +[[image:image-20220908163102-2.png]] 811 + 812 + 813 +== 2.8 Battery & Power Consumption == 814 + 815 + 816 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 817 + 818 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 819 + 820 + 656 656 = 3. Access NB-IoT Module = 657 657 823 + 658 658 ((( 659 659 Users can directly access the AT command set of the NB-IoT module. 660 660 ))) ... ... @@ -661,19 +661,21 @@ 661 661 662 662 ((( 663 663 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/]] 830 + 831 + 664 664 ))) 665 665 666 666 [[image:1657333200519-600.png]] 667 667 668 668 669 - 670 670 = 4. Using the AT Commands = 671 671 672 672 == 4.1 Access AT Commands == 673 673 674 -See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]] 675 675 842 +See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0>>https://www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0]] 676 676 844 + 677 677 AT+<CMD>? : Help on <CMD> 678 678 679 679 AT+<CMD> : Run <CMD> ... ... @@ -713,7 +713,24 @@ 713 713 714 714 AT+SERVADDR : Server Address 715 715 884 +AT+TR : Get or Set record time 716 716 886 +AT+APN : Get or set the APN 887 + 888 +AT+FBAND : Get or Set whether to automatically modify the frequency band 889 + 890 +AT+DNSCFG : Get or Set DNS Server 891 + 892 +AT+GETSENSORVALUE : Returns the current sensor measurement 893 + 894 +AT+NOUD : Get or Set the number of data to be uploaded 895 + 896 +AT+CDP : Read or Clear cached data 897 + 898 +AT+SHTEMP: Get or Set alarm of temp 899 + 900 +AT+SHHUM: Get or Set alarm of moisture 901 + 717 717 (% style="color:#037691" %)**COAP Management** 718 718 719 719 AT+URI : Resource parameters ... ... @@ -744,7 +744,6 @@ 744 744 AT+PWORD : Serial Access Password 745 745 746 746 747 - 748 748 = 5. FAQ = 749 749 750 750 == 5.1 How to Upgrade Firmware == ... ... @@ -759,13 +759,12 @@ 759 759 ))) 760 760 761 761 ((( 762 - 946 +Firmware Download:[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]] 763 763 764 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update. 948 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 765 765 ))) 766 766 767 767 768 - 769 769 = 6. Trouble Shooting = 770 770 771 771 == 6.1 Connection problem when uploading firmware == ... ... @@ -775,14 +775,10 @@ 775 775 **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]] 776 776 ))) 777 777 778 -(% class="wikigeneratedid" %) 779 -((( 780 - 781 -))) 782 782 783 - 784 784 == 6.2 AT Command input doesn't work == 785 785 964 + 786 786 ((( 787 787 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. 788 788 ... ... @@ -789,7 +789,12 @@ 789 789 790 790 ))) 791 791 971 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". == 792 792 973 + 974 +This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**. 975 + 976 + 793 793 = 7. Order Info = 794 794 795 795 ... ... @@ -796,11 +796,6 @@ 796 796 Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY** 797 797 798 798 799 -(% class="wikigeneratedid" %) 800 -((( 801 - 802 -))) 803 - 804 804 = 8. Packing Info = 805 805 806 806 ((( ... ... @@ -823,14 +823,13 @@ 823 823 * Weight / pcs : 180g 824 824 ))) 825 825 826 -((( 827 - 828 828 829 829 830 - 831 -))) 832 - 833 833 = 9. Support = 834 834 1009 + 835 835 * 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. 1011 + 836 836 * 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]] 1013 + 1014 +
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