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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Introduction = 19 19 20 + 20 20 == 1.1 What is N95S31B NB-IoT Sensor Node == 21 21 22 22 ((( ... ... @@ -55,6 +55,7 @@ 55 55 56 56 == 1.2 Features == 57 57 59 + 58 58 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 59 59 * Monitor Temperature & Humidity via SHT31 60 60 * AT Commands to change parameters ... ... @@ -66,8 +66,6 @@ 66 66 * Micro SIM card slot for NB-IoT SIM 67 67 * 8500mAh Battery for long term use 68 68 69 - 70 - 71 71 == 1.3 Specification == 72 72 73 73 ... ... @@ -93,10 +93,9 @@ 93 93 * Max continuously current: 130mA 94 94 * Max boost current: 2A, 1 second 95 95 96 - 97 - 98 98 == 1.4 Applications == 99 99 98 + 100 100 * Smart Buildings & Home Automation 101 101 * Logistics and Supply Chain Management 102 102 * Smart Metering ... ... @@ -108,15 +108,20 @@ 108 108 109 109 110 110 111 -== 1.5 Pin Definitions == 112 112 111 +== 1.5 Pin Definitions & Switch == 112 + 113 + 113 113 N95S31B use the mother board from NBSN95 which as below. 114 114 116 + 115 115 [[image:image-20220709144723-1.png]] 116 116 117 117 120 + 118 118 === 1.5.1 Jumper JP2 === 119 119 123 + 120 120 Power on Device when put this jumper. 121 121 122 122 ... ... @@ -123,6 +123,7 @@ 123 123 124 124 === 1.5.2 BOOT MODE / SW1 === 125 125 130 + 126 126 ((( 127 127 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. 128 128 ))) ... ... @@ -135,6 +135,7 @@ 135 135 136 136 === 1.5.3 Reset Button === 137 137 143 + 138 138 Press to reboot the device. 139 139 140 140 ... ... @@ -141,15 +141,15 @@ 141 141 142 142 === 1.5.4 LED === 143 143 150 + 144 144 It will flash: 145 145 146 146 1. When boot the device in flash mode 147 147 1. Send an uplink packet 148 148 149 - 150 - 151 151 = 2. Use N95S31B to communicate with IoT Server = 152 152 158 + 153 153 == 2.1 How it works == 154 154 155 155 ... ... @@ -166,7 +166,7 @@ 166 166 167 167 ))) 168 168 169 -[[image:1657 350248151-650.png]]175 +[[image:1657520100595-569.png]] 170 170 171 171 ((( 172 172 ... ... @@ -182,6 +182,7 @@ 182 182 [[image:image-20220709150546-2.png]] 183 183 184 184 191 + 185 185 === 2.2.1 Test Requirement === 186 186 187 187 ... ... @@ -234,6 +234,7 @@ 234 234 235 235 === 2.2.3 Insert SIM card === 236 236 244 + 237 237 ((( 238 238 Insert the NB-IoT Card get from your provider. 239 239 ))) ... ... @@ -249,14 +249,18 @@ 249 249 250 250 === 2.2.4 Connect USB – TTL to N95S31B to configure it === 251 251 260 + 252 252 ((( 253 253 ((( 254 254 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. 264 + 265 + 255 255 ))) 256 256 ))) 257 257 258 258 [[image:1657351312545-300.png]] 259 259 271 + 260 260 **Connection:** 261 261 262 262 (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND ... ... @@ -280,8 +280,9 @@ 280 280 281 281 [[image:1657329814315-101.png]] 282 282 295 + 283 283 ((( 284 -(% 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/]]297 +(% 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]]** 285 285 ))) 286 286 287 287 ... ... @@ -288,9 +288,10 @@ 288 288 289 289 === 2.2.5 Use CoAP protocol to uplink data === 290 290 291 -(% 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/]] 292 292 305 +(% 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/]]** 293 293 307 + 294 294 ((( 295 295 **Use below commands:** 296 296 ))) ... ... @@ -338,6 +338,7 @@ 338 338 339 339 === 2.2.7 Use MQTT protocol to uplink data === 340 340 355 + 341 341 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 342 342 343 343 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink ... ... @@ -353,6 +353,7 @@ 353 353 354 354 [[image:1657352645687-385.png]] 355 355 371 + 356 356 ((( 357 357 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. 358 358 ))) ... ... @@ -366,6 +366,7 @@ 366 366 367 367 === 2.2.8 Use TCP protocol to uplink data === 368 368 385 + 369 369 This feature is supported since firmware version v110 370 370 371 371 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink ... ... @@ -380,6 +380,7 @@ 380 380 381 381 === 2.2.9 Change Update Interval === 382 382 400 + 383 383 User can use below command to change the (% style="color:green" %)**uplink interval**. 384 384 385 385 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -388,13 +388,16 @@ 388 388 389 389 ))) 390 390 409 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 391 391 411 +**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).** 392 392 413 + 393 393 == 2.3 Uplink Payload == 394 394 395 395 396 396 ((( 397 -N BSN95418 +N95S31B 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. 398 398 ))) 399 399 400 400 ... ... @@ -403,7 +403,7 @@ 403 403 ))) 404 404 405 405 ((( 406 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the BSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.427 + (% 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. 407 407 ))) 408 408 409 409 ... ... @@ -426,16 +426,19 @@ 426 426 427 427 (% style="color:red" %) 428 428 1. ((( 429 -All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]]. 450 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].** 430 430 ))) 431 431 1. ((( 432 -By default, the device will send an uplink message every 1 hour. 433 -))) 453 +**By default, the device will send an uplink message every 1 hour.** 434 434 435 435 436 436 457 + 458 +))) 459 + 437 437 === 2.3.1 Payload Analyze === 438 438 462 + 439 439 N95S31B uplink payload includes in total 21 bytes 440 440 441 441 ... ... @@ -470,6 +470,8 @@ 470 470 ))) 471 471 472 472 ((( 497 + 498 + 473 473 ((( 474 474 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 475 475 ))) ... ... @@ -496,12 +496,41 @@ 496 496 ))) 497 497 498 498 ((( 499 - 525 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 500 500 ))) 501 501 528 +In this mode, uplink payload includes 91 bytes in total by default. 502 502 530 +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. 531 + 532 +|**Size(bytes)**|**8**|2|2|1|1|2|1|2|2|2|4|2|2|4 533 +|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|TemDS18B20|Interrupt|ADC|SHTTEM|SHTHUM|Time stamp |SHTTEM|SHTHUM|Time stamp ..... 534 + 535 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data. 536 + 537 +[[image:image-20220908154949-1.png]] 538 + 539 +The payload is ASCII string, representative same HEX: 540 + 541 +0x(% style="color:red" %)f868411056758782(% style="color:blue" %)000c(% style="color:green" %)0d0f(% style="color:red" %)0c(% style="color:blue" %)01(% style="color:green" %)0000(% style="color:red" %)00**//0030//**(% style="color:blue" %)**//0114//**(% style="color:red" %)**//0231//**(% style="color:green" %)**//63199d3c//**0113023163199d12//**0113023163199c5e**//0112023763199baa//**0112023263199af6**//0111023b631999a7//**0112023b631998f3**//011202426319983f//**01110242631996eb**//(%%) where: 542 + 543 +* (% style="color:red" %) Device ID: f868411056758782 = f868411056758782 544 +* (% style="color:blue" %) Version: 0x000c=120=1.2 545 +* (% style="color:green" %) BAT: 0x0d0f = 3343 mV = 3.343V 546 +* (% style="color:red" %) Singal: 0x0c = 12 547 +* (% style="color:blue" %) Mod: 0x01 = 1 548 +* TemDS18B20: 0x0000= 0 = 0 549 +* (% style="color:green" %)Interrupt: 0x00= 0 550 +* (% style="color:green" %)adc: 0x0030= 48 551 +* SHTTEM: 0x0114= 276 = 27.6 552 +* SHTHUM:0x0231 =561=56.1% 553 +* (% style="color:red" %) Time stamp : 0x6315537b =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 554 +* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12 555 +* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,....... 556 + 503 503 === 2.3.2 Device ID === 504 504 559 + 505 505 ((( 506 506 By default, the Device ID equal to the last 6 bytes of IMEI. 507 507 ))) ... ... @@ -520,10 +520,22 @@ 520 520 521 521 ((( 522 522 The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID. 578 + 579 + 523 523 ))) 524 524 582 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 525 525 526 526 585 +By default, the Device ID equal to the last 15 bits of IMEI. 586 + 587 +User can use **AT+DEUI** to set Device ID 588 + 589 +**Example:** 590 + 591 +AT+DEUI=868411056754138 592 + 593 + 527 527 === 2.3.3 Version Info === 528 528 529 529 ... ... @@ -554,6 +554,7 @@ 554 554 555 555 === 2.3.4 Battery Info === 556 556 624 + 557 557 ((( 558 558 Ex1: 0x0B45 = 2885mV 559 559 ))) ... ... @@ -566,6 +566,7 @@ 566 566 567 567 === 2.3.5 Signal Strength === 568 568 637 + 569 569 ((( 570 570 NB-IoT Network signal Strength. 571 571 ))) ... ... @@ -598,6 +598,7 @@ 598 598 599 599 === 2.3.6 Temperature & Humidity === 600 600 670 + 601 601 The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 602 602 603 603 [[image:image-20220709161741-3.png]] ... ... @@ -616,8 +616,9 @@ 616 616 617 617 == 2.4 Downlink Payload == 618 618 619 -By default, NDDS75 prints the downlink payload to console port. 620 620 690 +By default, N95S31B prints the downlink payload to console port. 691 + 621 621 [[image:image-20220709100028-1.png]] 622 622 623 623 ... ... @@ -654,7 +654,7 @@ 654 654 ))) 655 655 656 656 ((( 657 -If payload = 0x04FF, it will reset the DDS75728 +If payload = 0x04FF, it will reset the N95S31B 658 658 ))) 659 659 660 660 ... ... @@ -665,12 +665,59 @@ 665 665 ))) 666 666 667 667 739 +== 2.5 Humidity and Temperature alarm function == 668 668 669 - ==2.5Battery Analysis ==741 +➢ AT Command: 670 670 671 - === 2.5.1 BatteryType===743 +AT+ SHHUM=min,max 672 672 745 +² When min=0, and max≠0, Alarm higher than max 673 673 747 +² When min≠0, and max=0, Alarm lower than min 748 + 749 +² When min≠0 and max≠0, Alarm higher than max or lower than min 750 + 751 +Example: 752 + 753 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50. 754 + 755 + 756 +AT+ SHTEMP=min,max 757 + 758 +² When min=0, and max≠0, Alarm higher than max 759 + 760 +² When min≠0, and max=0, Alarm lower than min 761 + 762 +² When min≠0 and max≠0, Alarm higher than max or lower than min 763 + 764 +Example: 765 + 766 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20. 767 + 768 +== 2.6 Set the number of data to be uploaded and the recording time == 769 + 770 +➢ AT Command: 771 + 772 +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) 773 + 774 +AT+NOUD=8 ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 775 + 776 +== 2.7 Read or Clear cached data == 777 + 778 +➢ AT Command: 779 + 780 +AT+CDP ~/~/ Read cached data 781 + 782 +[[image:image-20220908163102-2.png]] 783 + 784 +AT+CDP=0 ~/~/ Clear cached data 785 + 786 +== 2.8 Battery Analysis == 787 + 788 + 789 +=== 2.8.1 Battery Type === 790 + 791 + 674 674 ((( 675 675 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. 676 676 ))) ... ... @@ -693,10 +693,11 @@ 693 693 694 694 695 695 696 -=== 2. 5.2 Power consumption Analyze ===814 +=== 2.8.2 Power consumption Analyze === 697 697 816 + 698 698 ((( 699 -The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]818 +The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project. 700 700 ))) 701 701 702 702 ((( ... ... @@ -704,8 +704,9 @@ 704 704 ))) 705 705 706 706 707 -=== 2. 5.3 Battery Note ===826 +=== 2.8.3 Battery Note === 708 708 828 + 709 709 ((( 710 710 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. 711 711 ))) ... ... @@ -712,7 +712,7 @@ 712 712 713 713 714 714 715 -=== 2. 5.4 Replace the battery ===835 +=== 2.8.4 Replace the battery === 716 716 717 717 718 718 ((( ... ... @@ -728,6 +728,7 @@ 728 728 729 729 = 3. Access NB-IoT Module = 730 730 851 + 731 731 ((( 732 732 Users can directly access the AT command set of the NB-IoT module. 733 733 ))) ... ... @@ -734,6 +734,8 @@ 734 734 735 735 ((( 736 736 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/]] 858 + 859 + 737 737 ))) 738 738 739 739 [[image:1657333200519-600.png]] ... ... @@ -742,11 +742,13 @@ 742 742 743 743 = 4. Using the AT Commands = 744 744 868 + 745 745 == 4.1 Access AT Commands == 746 746 747 -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/]] 748 748 872 +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]] 749 749 874 + 750 750 AT+<CMD>? : Help on <CMD> 751 751 752 752 AT+<CMD> : Run <CMD> ... ... @@ -786,7 +786,24 @@ 786 786 787 787 AT+SERVADDR : Server Address 788 788 914 +AT+TR : Get or Set record time 789 789 916 +AT+APN : Get or set the APN 917 + 918 +AT+FBAND : Get or Set whether to automatically modify the frequency band 919 + 920 +AT+DNSCFG : Get or Set DNS Server 921 + 922 +AT+GETSENSORVALUE : Returns the current sensor measurement 923 + 924 +AT+NOUD : Get or Set the number of data to be uploaded 925 + 926 +AT+CDP : Read or Clear cached data 927 + 928 +AT+SHTEMP: Get or Set alarm of temp 929 + 930 +AT+SHHUM: Get or Set alarm of moisture 931 + 790 790 (% style="color:#037691" %)**COAP Management** 791 791 792 792 AT+URI : Resource parameters ... ... @@ -820,6 +820,7 @@ 820 820 821 821 = 5. FAQ = 822 822 965 + 823 823 == 5.1 How to Upgrade Firmware == 824 824 825 825 ... ... @@ -835,7 +835,7 @@ 835 835 836 836 837 837 ((( 838 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update. 981 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 839 839 ))) 840 840 ))) 841 841 ... ... @@ -843,6 +843,7 @@ 843 843 844 844 = 6. Trouble Shooting = 845 845 989 + 846 846 == 6.1 Connection problem when uploading firmware == 847 847 848 848 ... ... @@ -858,6 +858,7 @@ 858 858 859 859 == 6.2 AT Command input doesn't work == 860 860 1005 + 861 861 ((( 862 862 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. 863 863 ... ... @@ -907,5 +907,8 @@ 907 907 908 908 = 9. Support = 909 909 1055 + 910 910 * 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. 911 911 * 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]] 1058 + 1059 +
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