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 ... ... @@ -55,7 +55,6 @@ 55 55 56 56 57 57 58 - 59 59 == 1.3 Specification == 60 60 61 61 ... ... @@ -66,16 +66,15 @@ 66 66 67 67 (% style="color:#037691" %)**NB-IoT Spec:** 68 68 69 -* -B1 @H-FDD: 2100MHz70 -* -B3 @H-FDD: 1800MHz71 -* -B8 @H-FDD: 900MHz72 -* -B5 @H-FDD: 850MHz73 -* -B20 @H-FDD: 800MHz74 -* -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 75 75 76 76 (% style="color:#037691" %)**Battery:** 77 77 78 - 79 79 * Li/SOCI2 un-chargeable battery 80 80 * Capacity: 8500mAh 81 81 * Self Discharge: <1% / Year @ 25°C ... ... @@ -84,9 +84,9 @@ 84 84 85 85 86 86 87 - 88 88 == 1.4 Applications == 89 89 92 + 90 90 * Smart Buildings & Home Automation 91 91 * Logistics and Supply Chain Management 92 92 * Smart Metering ... ... @@ -98,41 +98,49 @@ 98 98 99 99 100 100 101 -== 1.5 Pin Definitions == 104 +== 1.5 Pin Definitions & Switch == 102 102 106 + 103 103 N95S31B use the mother board from NBSN95 which as below. 104 104 109 + 105 105 [[image:image-20220709144723-1.png]] 106 106 107 107 108 108 === 1.5.1 Jumper JP2 === 109 109 115 + 110 110 Power on Device when put this jumper. 111 111 112 112 113 - 114 114 === 1.5.2 BOOT MODE / SW1 === 115 115 116 -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. 117 117 118 -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 +))) 119 119 126 +((( 127 +**2) Flash:** work mode, device starts to work and send out console output for further debug 128 +))) 120 120 121 121 122 122 === 1.5.3 Reset Button === 123 123 133 + 124 124 Press to reboot the device. 125 125 126 126 127 - 128 128 === 1.5.4 LED === 129 129 139 + 130 130 It will flash: 131 131 132 -1. When boot the device in flash mode 133 -1. Send an uplink packet 142 +1. When boot the device in flash mode 134 134 144 +2. Send an uplink packet 135 135 146 + 136 136 = 2. Use N95S31B to communicate with IoT Server = 137 137 138 138 == 2.1 How it works == ... ... @@ -151,16 +151,14 @@ 151 151 152 152 ))) 153 153 154 -[[image:1657 350248151-650.png]]165 +[[image:1657520100595-569.png]] 155 155 156 156 ((( 157 157 158 158 ))) 159 159 160 - 161 161 == 2.2 Configure the N95S31B == 162 162 163 - 164 164 === 2.2.1 Power On N95S31B === 165 165 166 166 ... ... @@ -167,26 +167,48 @@ 167 167 [[image:image-20220709150546-2.png]] 168 168 169 169 170 -=== 2.2. 1Test Requirement ===179 +=== 2.2.2 Test Requirement === 171 171 172 172 182 +((( 173 173 To use N95S31B in your city, make sure meet below requirements: 184 +))) 174 174 175 -* Your local operator has already distributed a NB-IoT Network there. 176 -* The local NB-IoT network used the band that N95S31B supports. 177 -* 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 +))) 178 178 196 +((( 179 179 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. 198 +))) 180 180 200 +((( 181 181 N95S31B supports different communication protocol such as : 202 +))) 182 182 183 183 ((( 184 -* CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 185 -* raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 186 -* MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 187 -* 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 +))) 188 188 218 +((( 189 189 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 +))) 190 190 191 191 192 192 ))) ... ... @@ -194,9 +194,9 @@ 194 194 [[image:1657350625843-586.png]] 195 195 196 196 197 - 198 198 === 2.2.3 Insert SIM card === 199 199 230 + 200 200 ((( 201 201 Insert the NB-IoT Card get from your provider. 202 202 ))) ... ... @@ -209,26 +209,29 @@ 209 209 [[image:1657351240556-536.png]] 210 210 211 211 212 - 213 213 === 2.2.4 Connect USB – TTL to N95S31B to configure it === 214 214 245 + 215 215 ((( 216 216 ((( 217 217 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 + 218 218 ))) 219 219 ))) 220 220 221 221 [[image:1657351312545-300.png]] 222 222 223 -**Connection:** 224 224 225 - background-color:yellow" %)USB TTL GND <~-~-~-~-> GND257 +(% style="color:blue" %)**Connection:** 226 226 227 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~->UART_RXD259 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND** 228 228 229 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD261 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)** 230 230 263 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)** 231 231 265 + 232 232 In the PC, use below serial tool settings: 233 233 234 234 * Baud: (% style="color:green" %)**9600** ... ... @@ -243,17 +243,18 @@ 243 243 244 244 [[image:1657329814315-101.png]] 245 245 280 + 246 246 ((( 247 -(% 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]]** 248 248 ))) 249 249 250 250 251 - 252 252 === 2.2.5 Use CoAP protocol to uplink data === 253 253 254 -(% 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/]] 255 255 289 +(% 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/]]** 256 256 291 + 257 257 ((( 258 258 **Use below commands:** 259 259 ))) ... ... @@ -262,10 +262,10 @@ 262 262 (% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 263 263 ))) 264 264 * ((( 265 -(% 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 266 266 ))) 267 267 * ((( 268 -(% 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 269 269 ))) 270 270 271 271 ((( ... ... @@ -284,7 +284,6 @@ 284 284 [[image:1657352185396-303.png]] 285 285 286 286 287 - 288 288 === 2.2.6 Use UDP protocol to uplink data(Default protocol) === 289 289 290 290 ... ... @@ -298,18 +298,18 @@ 298 298 [[image:1657352403317-397.png]] 299 299 300 300 301 - 302 302 === 2.2.7 Use MQTT protocol to uplink data === 303 303 337 + 304 304 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 305 305 306 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 307 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 308 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 309 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 310 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 311 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 312 -* (% 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 313 313 314 314 [[image:1657352634421-276.png]] 315 315 ... ... @@ -316,19 +316,19 @@ 316 316 317 317 [[image:1657352645687-385.png]] 318 318 353 + 319 319 ((( 320 320 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. 321 321 ))) 322 322 323 - 324 324 ((( 325 325 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. 326 326 ))) 327 327 328 328 329 - 330 330 === 2.2.8 Use TCP protocol to uplink data === 331 331 365 + 332 332 This feature is supported since firmware version v110 333 333 334 334 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink ... ... @@ -340,9 +340,9 @@ 340 340 [[image:1657352914475-252.png]] 341 341 342 342 343 - 344 344 === 2.2.9 Change Update Interval === 345 345 379 + 346 346 User can use below command to change the (% style="color:green" %)**uplink interval**. 347 347 348 348 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -351,58 +351,99 @@ 351 351 352 352 ))) 353 353 388 +((( 389 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:** 390 +))) 354 354 392 +((( 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 +))) 355 355 396 + 356 356 == 2.3 Uplink Payload == 357 357 358 358 359 -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 +))) 360 360 361 361 405 +((( 362 362 For example: 407 +))) 363 363 364 - (% 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 +))) 365 365 366 366 414 +((( 367 367 The uplink payloads are composed in ASCII String. For example: 416 +))) 368 368 418 +((( 369 369 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 420 +))) 370 370 422 +((( 371 371 0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes 424 +))) 372 372 373 373 427 +((( 374 374 (% style="color:red" %)**NOTE:** 429 +))) 375 375 376 376 (% style="color:red" %) 377 -1. All modes share the same Payload Explanation from [[HERE>>path:#Payload_Explain]]. 378 -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.** 379 379 380 380 439 + 440 +))) 381 381 382 382 === 2.3.1 Payload Analyze === 383 383 444 +==== 2.3.1.1 Before Firmware v1.2 ==== 445 + 446 + 384 384 N95S31B uplink payload includes in total 21 bytes 385 385 386 386 387 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 388 -|=(% style="width: 60px;" %)((( 389 -**Size(bytes)** 390 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %) |=(% style="width: 99px;" %) |=(% style="width: 77px;" %)**2**|=(% style="width: 60px;" %)**1** 391 -|(% 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:123px" %)MOD 0X01|(% style="width:99px" %)((( 450 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %) 451 +|=(% style="width: 50px;" %)**Size(bytes)**|=(% style="width: 45px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 65px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 70px;" %)**2**|=(% style="width: 70px;" %)**2** 452 +|(% 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" %)((( 453 +((( 392 392 Reserve/ Same as NBSN95 CFGMOD=1 455 +))) 393 393 457 +((( 394 394 No function here. 395 -)))|(% style="width:77px" %)((( 396 -[[Temperature >>||anchor="H2.4.5A0Distance"]] 459 +))) 460 +)))|(% style="width:102px" %)((( 461 +((( 462 +[[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]] 463 +))) 397 397 465 +((( 398 398 By SHT31 399 -)))|(% style="width:80px" %)((( 400 -[[Humidity>>||anchor="H2.4.6A0DigitalInterrupt"]] 467 +))) 468 +)))|(% style="width:81px" %)((( 469 +((( 470 +[[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]] 471 +))) 401 401 473 +((( 402 402 By SHT31 403 403 ))) 476 +))) 404 404 405 405 ((( 479 + 480 + 406 406 ((( 407 407 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 408 408 ))) ... ... @@ -412,29 +412,89 @@ 412 412 [[image:1657354294009-643.png]] 413 413 414 414 415 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:490 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186** 416 416 417 -* Device ID: 0x724031607457 = 724031607457 418 -* Version: 0x006e=110=1.1.0 492 +**where:** 419 419 420 -* BAT: 0x0ccd = 3277 mV = 3.277V 421 -* Signal: 0x1b = 27 422 -* Model: 0x01 = 1 423 -* 0x00dc000ccc= reserve, ignore in N95S31B 424 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C 425 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh 494 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457 426 426 496 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0 497 + 498 +* (% style="color:#037691" %)**BAT:** (%%) 0x0ccd = 3277 mV = 3.277V 499 + 500 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27 501 + 502 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1 503 + 504 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B** 505 + 506 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C 507 + 508 +* (% style="color:#037691" %)**Humidity by SHT31:** (%%) 0x0186 = 390 = 39.0 %rh 509 + 427 427 ((( 428 428 429 -))) 430 430 431 -((( 432 432 433 433 ))) 434 434 516 +==== 2.3.1.2 Since Firmware v1.2 ==== 435 435 518 + 519 +In this mode, uplink payload includes 91 bytes in total by default. 520 + 521 +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. 522 + 523 + 524 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %) 525 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:30px" %)**1**|(% style="width:20px" %)**1**|(% style="width:55px" %)**2**|(% style="width:35px" %)**1**|(% style="width:20px" %)**2**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:30px" %)**4**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:35px" %)**4** 526 +|=(% 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 ..... 527 + 528 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data. 529 + 530 + 531 +[[image:image-20220908154949-1.png]] 532 + 533 + 534 +The payload is ASCII string, representative same HEX: 535 + 536 +**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__ ** 537 + 538 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__** 539 + 540 +**where:** 541 + 542 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782 543 + 544 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2 545 + 546 +* (% style="color:#037691" %)**BAT:** (%%)0x0d0f = 3343 mV = 3.343V 547 + 548 +* (% style="color:#037691" %)**Singal:**(%%) 0x0c = 12 549 + 550 +* (% style="color:#037691" %)**Mod:**(%%) 0x01 = 1 551 + 552 +* (% style="color:#037691" %)**TemDS18B20:**(%%) 0x0000= 0 = 0 553 + 554 +* (% style="color:#037691" %)**Interrupt:** (%%)0x00= 0 555 + 556 +* (% style="color:#037691" %)**adc:**(%%) 0x0030= 48 557 + 558 +* (% style="color:#037691" %)**SHTTEM:**(%%) 0x0114= 276 = 27.6 559 + 560 +* (% style="color:#037691" %)**SHTHUM:**(%%) 0x0231 =561=56.1% 561 + 562 +* (% style="color:#037691" %)**Time stamp : **(%%)0x63199d3c =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 563 + 564 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%) 0113023163199d12 565 + 566 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, ....... 567 + 568 + 569 + 436 436 === 2.3.2 Device ID === 437 437 572 + 438 438 ((( 439 439 By default, the Device ID equal to the last 6 bytes of IMEI. 440 440 ))) ... ... @@ -441,10 +441,12 @@ 441 441 442 442 ((( 443 443 User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID 579 + 580 + 444 444 ))) 445 445 446 446 ((( 447 -**Example:** 584 +(% style="color:blue" %)**Example:** 448 448 ))) 449 449 450 450 ((( ... ... @@ -452,30 +452,54 @@ 452 452 ))) 453 453 454 454 ((( 455 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID. 592 +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. 593 + 594 + 456 456 ))) 457 457 597 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:** 458 458 459 459 600 +By default, the Device ID equal to the last 15 bits of IMEI. 601 + 602 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID 603 + 604 + 605 +(% style="color:blue" %)**Example:** 606 + 607 +AT+DEUI=868411056754138 608 + 609 + 460 460 === 2.3.3 Version Info === 461 461 462 462 613 +((( 463 463 These bytes include the hardware and software version. 615 +))) 464 464 465 -Higher byte: Specify hardware version: always 0x00 for N95S31B 617 +((( 618 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B 619 +))) 466 466 467 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110 621 +((( 622 +**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110 623 +))) 468 468 625 +((( 626 + 627 +))) 469 469 629 +((( 470 470 For example: 0x00 6E: this device is N95S31B with firmware version 110. 631 +))) 471 471 472 472 ((( 473 473 474 474 ))) 475 475 476 - 477 477 === 2.3.4 Battery Info === 478 478 639 + 479 479 ((( 480 480 Ex1: 0x0B45 = 2885mV 481 481 ))) ... ... @@ -485,9 +485,9 @@ 485 485 ))) 486 486 487 487 488 - 489 489 === 2.3.5 Signal Strength === 490 490 651 + 491 491 ((( 492 492 NB-IoT Network signal Strength. 493 493 ))) ... ... @@ -517,9 +517,9 @@ 517 517 ))) 518 518 519 519 520 - 521 521 === 2.3.6 Temperature & Humidity === 522 522 683 + 523 523 The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 524 524 525 525 [[image:image-20220709161741-3.png]] ... ... @@ -535,11 +535,11 @@ 535 535 Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 536 536 537 537 538 - 539 539 == 2.4 Downlink Payload == 540 540 541 -By default, NDDS75 prints the downlink payload to console port. 542 542 702 +By default, N95S31B prints the downlink payload to console port. 703 + 543 543 [[image:image-20220709100028-1.png]] 544 544 545 545 ... ... @@ -576,7 +576,7 @@ 576 576 ))) 577 577 578 578 ((( 579 -If payload = 0x04FF, it will reset the DDS75740 +If payload = 0x04FF, it will reset the N95S31B 580 580 ))) 581 581 582 582 ... ... @@ -587,69 +587,76 @@ 587 587 ))) 588 588 589 589 751 +== 2.5 Humidity and Temperature alarm function == 590 590 591 -== 2.5 Battery Analysis == 592 592 593 - ===2.5.1BatteryType===754 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 594 594 595 595 596 -((( 597 -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. 598 -))) 757 +(% style="color:#037691" %)**AT+ SHHUM=min,max** 599 599 600 -((( 601 -The battery is designed to last for several years depends on the actually use environment and update interval. 602 -))) 603 603 604 -((( 605 -The battery related documents as below: 606 -))) 760 +² When min=0, and max≠0, Alarm higher than max 607 607 608 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 609 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 610 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 762 +² When min≠0, and max=0, Alarm lower than min 611 611 612 -((( 613 -[[image:image-20220709101450-2.png]] 614 -))) 764 +² When min≠0 and max≠0, Alarm higher than max or lower than min 615 615 616 616 767 + (% style="color:blue" %)**Example:** 617 617 618 - ===2.5.2PowerconsumptionAnalyze===769 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50. 619 619 620 -((( 621 -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. 622 -))) 623 623 624 -((( 625 - 626 -))) 772 +(% style="color:#037691" %)**AT+ SHTEMP=min,max** 627 627 774 +² When min=0, and max≠0, Alarm higher than max 628 628 629 - ===2.5.3BatteryNote===776 +² When min≠0, and max=0, Alarm lower than min 630 630 631 -((( 632 -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. 633 -))) 778 +² When min≠0 and max≠0, Alarm higher than max or lower than min 634 634 635 635 781 +**~ (% style="color:blue" %)Example:(%%)** 636 636 637 - ===2.5.4Replacethebattery===783 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20. 638 638 639 639 640 -((( 641 -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. 642 -))) 786 +== 2.6 Set the number of data to be uploaded and the recording time == 643 643 644 644 645 -((( 646 -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). 647 -))) 789 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 648 648 791 +* (% 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) 792 +* (% 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. 649 649 794 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:** 650 650 796 +[[image:image-20221009001045-1.png||height="726" width="1009"]] 797 + 798 + 799 +== 2.7 Read or Clear cached data == 800 + 801 + 802 +**~ (% style="color:blue" %)➢ AT Command:(%%)** 803 + 804 +* (% style="color:#037691" %)**AT+CDP** (%%) ~/~/ Read cached data 805 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/ Clear cached data 806 + 807 +[[image:image-20220908163102-2.png]] 808 + 809 + 810 +== 2.8 Battery & Power Consumption == 811 + 812 + 813 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 814 + 815 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 816 + 817 + 651 651 = 3. Access NB-IoT Module = 652 652 820 + 653 653 ((( 654 654 Users can directly access the AT command set of the NB-IoT module. 655 655 ))) ... ... @@ -656,19 +656,21 @@ 656 656 657 657 ((( 658 658 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/]] 827 + 828 + 659 659 ))) 660 660 661 661 [[image:1657333200519-600.png]] 662 662 663 663 664 - 665 665 = 4. Using the AT Commands = 666 666 667 667 == 4.1 Access AT Commands == 668 668 669 -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/]] 670 670 839 +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]] 671 671 841 + 672 672 AT+<CMD>? : Help on <CMD> 673 673 674 674 AT+<CMD> : Run <CMD> ... ... @@ -708,7 +708,24 @@ 708 708 709 709 AT+SERVADDR : Server Address 710 710 881 +AT+TR : Get or Set record time 711 711 883 +AT+APN : Get or set the APN 884 + 885 +AT+FBAND : Get or Set whether to automatically modify the frequency band 886 + 887 +AT+DNSCFG : Get or Set DNS Server 888 + 889 +AT+GETSENSORVALUE : Returns the current sensor measurement 890 + 891 +AT+NOUD : Get or Set the number of data to be uploaded 892 + 893 +AT+CDP : Read or Clear cached data 894 + 895 +AT+SHTEMP: Get or Set alarm of temp 896 + 897 +AT+SHHUM: Get or Set alarm of moisture 898 + 712 712 (% style="color:#037691" %)**COAP Management** 713 713 714 714 AT+URI : Resource parameters ... ... @@ -739,7 +739,6 @@ 739 739 AT+PWORD : Serial Access Password 740 740 741 741 742 - 743 743 = 5. FAQ = 744 744 745 745 == 5.1 How to Upgrade Firmware == ... ... @@ -754,13 +754,12 @@ 754 754 ))) 755 755 756 756 ((( 757 - 943 +firmware:[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]] 758 758 759 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update. 945 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 760 760 ))) 761 761 762 762 763 - 764 764 = 6. Trouble Shooting = 765 765 766 766 == 6.1 Connection problem when uploading firmware == ... ... @@ -770,14 +770,10 @@ 770 770 **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]] 771 771 ))) 772 772 773 -(% class="wikigeneratedid" %) 774 -((( 775 - 776 -))) 777 777 778 - 779 779 == 6.2 AT Command input doesn't work == 780 780 961 + 781 781 ((( 782 782 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. 783 783 ... ... @@ -784,7 +784,12 @@ 784 784 785 785 ))) 786 786 968 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". == 787 787 970 + 971 +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]]//**. 972 + 973 + 788 788 = 7. Order Info = 789 789 790 790 ... ... @@ -791,11 +791,6 @@ 791 791 Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY** 792 792 793 793 794 -(% class="wikigeneratedid" %) 795 -((( 796 - 797 -))) 798 - 799 799 = 8. Packing Info = 800 800 801 801 ((( ... ... @@ -818,14 +818,13 @@ 818 818 * Weight / pcs : 180g 819 819 ))) 820 820 821 -((( 822 - 823 823 824 824 825 - 826 -))) 827 - 828 828 = 9. Support = 829 829 1006 + 830 830 * 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. 1008 + 831 831 * 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]] 1010 + 1011 +
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