Summary

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.David

Content

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17	17
18	18	= 1.  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
...	...	@@ -66,7 +66,6 @@
66	66	* Micro SIM card slot for NB-IoT SIM
67	67	* 8500mAh Battery for long term use
68	68
69		-
70	70	== 1.3  Specification ==
71	71
72	72
...	...	@@ -92,9 +92,9 @@
92	92	* Max continuously current: 130mA
93	93	* Max boost current: 2A, 1 second
94	94
95		-
96	96	== ​1.4  Applications ==
97	97
	98	+
98	98	* Smart Buildings & Home Automation
99	99	* Logistics and Supply Chain Management
100	100	* Smart Metering
...	...	@@ -106,15 +106,20 @@
106	106	​
107	107
108	108
	110	+
109	109	== 1.5  Pin Definitions & Switch ==
110	110
	113	+
111	111	N95S31B use the mother board from NBSN95 which as below.
112	112
	116	+
113	113	[[image:image-20220709144723-1.png]]
114	114
115	115
	120	+
116	116	=== 1.5.1 Jumper JP2 ===
117	117
	123	+
118	118	Power on Device when put this jumper.
119	119
120	120
...	...	@@ -121,6 +121,7 @@
121	121
122	122	=== 1.5.2 BOOT MODE / SW1 ===
123	123
	130	+
124	124	(((
125	125	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.
126	126	)))
...	...	@@ -133,6 +133,7 @@
133	133
134	134	=== 1.5.3 Reset Button ===
135	135
	143	+
136	136	Press to reboot the device.
137	137
138	138
...	...	@@ -139,14 +139,15 @@
139	139
140	140	=== 1.5.4 LED ===
141	141
	150	+
142	142	It will flash:
143	143
144	144	1. When boot the device in flash mode
145	145	1. Send an uplink packet
146	146
147		-
148	148	= 2.  Use N95S31B to communicate with IoT Server =
149	149
	158	+
150	150	== 2.1  How it works ==
151	151
152	152
...	...	@@ -163,7 +163,7 @@
163	163
164	164	)))
165	165
166		-[[image:1657350248151-650.png]]
	175	+[[image:1657520100595-569.png]]
167	167
168	168	(((
169	169
...	...	@@ -179,6 +179,7 @@
179	179	[[image:image-20220709150546-2.png]]
180	180
181	181
	191	+
182	182	=== 2.2.1 Test Requirement ===
183	183
184	184
...	...	@@ -231,6 +231,7 @@
231	231
232	232	=== 2.2.3  Insert SIM card ===
233	233
	244	+
234	234	(((
235	235	Insert the NB-IoT Card get from your provider.
236	236	)))
...	...	@@ -246,14 +246,18 @@
246	246
247	247	=== 2.2.4  Connect USB – TTL to N95S31B to configure it ===
248	248
	260	+
249	249	(((
250	250	(((
251	251	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	+
252	252	)))
253	253	)))
254	254
255	255	[[image:1657351312545-300.png]]
256	256
	271	+
257	257	**Connection:**
258	258
259	259	(% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
...	...	@@ -277,8 +277,9 @@
277	277
278	278	[[image:1657329814315-101.png]]
279	279
	295	+
280	280	(((
281		-(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
	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]]**
282	282	)))
283	283
284	284
...	...	@@ -285,9 +285,10 @@
285	285
286	286	=== 2.2.5  Use CoAP protocol to uplink data ===
287	287
288		-(% 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/]]
289	289
	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/]]**
290	290
	307	+
291	291	(((
292	292	**Use below commands:**
293	293	)))
...	...	@@ -335,6 +335,7 @@
335	335
336	336	=== 2.2.7  Use MQTT protocol to uplink data ===
337	337
	355	+
338	338	N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
339	339
340	340	* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
...	...	@@ -350,6 +350,7 @@
350	350
351	351	[[image:1657352645687-385.png]]
352	352
	371	+
353	353	(((
354	354	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.
355	355	)))
...	...	@@ -363,6 +363,7 @@
363	363
364	364	=== 2.2.8  Use TCP protocol to uplink data ===
365	365
	385	+
366	366	This feature is supported since firmware version v110
367	367
368	368	* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
...	...	@@ -377,6 +377,7 @@
377	377
378	378	=== 2.2.9  Change Update Interval ===
379	379
	400	+
380	380	User can use below command to change the (% style="color:green" %)**uplink interval**.
381	381
382	382	* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
...	...	@@ -385,13 +385,16 @@
385	385
386	386	)))
387	387
	409	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
388	388
	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).**
389	389
	413	+
390	390	== 2.3  Uplink Payload ==
391	391
392	392
393	393	(((
394		-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.
	418	+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.
395	395	)))
396	396
397	397
...	...	@@ -400,7 +400,7 @@
400	400	)))
401	401
402	402	(((
403		- (% 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.
	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.
404	404	)))
405	405
406	406
...	...	@@ -423,15 +423,19 @@
423	423
424	424	(% style="color:red" %)
425	425	1. (((
426		-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"]].**
427	427	)))
428	428	1. (((
429		-By default, the device will send an uplink message every 1 hour.
430		-)))
	453	+**By default, the device will send an uplink message every 1 hour.**
431	431
432	432
	456	+
	457	+
	458	+)))
	459	+
433	433	=== 2.3.1  Payload Analyze ===
434	434
	462	+
435	435	N95S31B uplink payload includes in total 21 bytes
436	436
437	437
...	...	@@ -466,6 +466,8 @@
466	466	)))
467	467
468	468	(((
	497	+
	498	+
469	469	(((
470	470	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
471	471	)))
...	...	@@ -492,12 +492,41 @@
492	492	)))
493	493
494	494	(((
495		-
	525	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
496	496	)))
497	497
	528	+In this mode, uplink payload includes 91 bytes in total by default.
498	498
	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	+
499	499	=== 2.3.2  Device ID ===
500	500
	559	+
501	501	(((
502	502	By default, the Device ID equal to the last 6 bytes of IMEI.
503	503	)))
...	...	@@ -516,12 +516,25 @@
516	516
517	517	(((
518	518	The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
	578	+
	579	+
519	519	)))
520	520
	582	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
521	521
522	522
	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	+
523	523	=== 2.3.3  Version Info ===
524	524
	596	+
525	525	(((
526	526	These bytes include the hardware and software version.
527	527	)))
...	...	@@ -549,6 +549,7 @@
549	549
550	550	=== 2.3.4  Battery Info ===
551	551
	624	+
552	552	(((
553	553	Ex1: 0x0B45 = 2885mV
554	554	)))
...	...	@@ -561,6 +561,7 @@
561	561
562	562	=== 2.3.5  Signal Strength ===
563	563
	637	+
564	564	(((
565	565	NB-IoT Network signal Strength.
566	566	)))
...	...	@@ -593,6 +593,7 @@
593	593
594	594	=== 2.3.6  Temperature & Humidity ===
595	595
	670	+
596	596	The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
597	597
598	598	[[image:image-20220709161741-3.png]]
...	...	@@ -611,8 +611,9 @@
611	611
612	612	== 2.4  Downlink Payload ==
613	613
614		-By default, NDDS75 prints the downlink payload to console port.
615	615
	690	+By default, N95S31B prints the downlink payload to console port.
	691	+
616	616	[[image:image-20220709100028-1.png]]
617	617
618	618
...	...	@@ -649,7 +649,7 @@
649	649	)))
650	650
651	651	(((
652		-If payload = 0x04FF, it will reset the NDDS75
	728	+If payload = 0x04FF, it will reset the N95S31B
653	653	)))
654	654
655	655
...	...	@@ -660,12 +660,59 @@
660	660	)))
661	661
662	662
	739	+== 2.5 Humidity and Temperature alarm function ==
663	663
664		-== 2.5  ​Battery Analysis ==
	741	+➢ AT Command:
665	665
666		-=== 2.5.1  ​Battery Type ===
	743	+AT+ SHHUM=min,max
667	667
	745	+² When min=0, and max≠0, Alarm higher than max
668	668
	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	+
669	669	(((
670	670	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.
671	671	)))
...	...	@@ -688,10 +688,11 @@
688	688
689	689
690	690
691		-=== 2.5.2  Power consumption Analyze ===
	814	+=== 2.8.2  Power consumption Analyze ===
692	692
	816	+
693	693	(((
694		-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.
	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.
695	695	)))
696	696
697	697	(((
...	...	@@ -699,8 +699,9 @@
699	699	)))
700	700
701	701
702		-=== 2.5.3  ​Battery Note ===
	826	+=== 2.8.3  ​Battery Note ===
703	703
	828	+
704	704	(((
705	705	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.
706	706	)))
...	...	@@ -707,7 +707,7 @@
707	707
708	708
709	709
710		-=== 2.5.4  Replace the battery ===
	835	+=== 2.8.4  Replace the battery ===
711	711
712	712
713	713	(((
...	...	@@ -723,6 +723,7 @@
723	723
724	724	= 3. ​ Access NB-IoT Module =
725	725
	851	+
726	726	(((
727	727	Users can directly access the AT command set of the NB-IoT module.
728	728	)))
...	...	@@ -729,6 +729,8 @@
729	729
730	730	(((
731	731	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	+
732	732	)))
733	733
734	734	[[image:1657333200519-600.png]]
...	...	@@ -737,11 +737,13 @@
737	737
738	738	= 4.  Using the AT Commands =
739	739
	868	+
740	740	== 4.1  Access AT Commands ==
741	741
742		-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/]]
743	743
	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]]
744	744
	874	+
745	745	AT+<CMD>?  : Help on <CMD>
746	746
747	747	AT+<CMD>         : Run <CMD>
...	...	@@ -781,7 +781,24 @@
781	781
782	782	AT+SERVADDR  : Server Address
783	783
	914	+AT+TR      : Get or Set record time
784	784
	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	+
785	785	(% style="color:#037691" %)**COAP Management**
786	786
787	787	AT+URI            : Resource parameters
...	...	@@ -815,6 +815,7 @@
815	815
816	816	= ​5.  FAQ =
817	817
	965	+
818	818	== 5.1 ​ How to Upgrade Firmware ==
819	819
820	820
...	...	@@ -830,7 +830,7 @@
830	830
831	831
832	832	(((
833		-(% 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.**
834	834	)))
835	835	)))
836	836
...	...	@@ -838,6 +838,7 @@
838	838
839	839	= 6.  Trouble Shooting =
840	840
	989	+
841	841	== 6.1  ​Connection problem when uploading firmware ==
842	842
843	843
...	...	@@ -853,6 +853,7 @@
853	853
854	854	== 6.2  AT Command input doesn't work ==
855	855
	1005	+
856	856	(((
857	857	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.
858	858
...	...	@@ -902,5 +902,7 @@
902	902
903	903	= 9.  Support =
904	904
	1055	+
905	905	* 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.
906	906	* 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	+

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