Summary

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.David

Content

...	...	@@ -17,6 +17,7 @@
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
...	...	@@ -66,9 +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		-
72	72	== 1.3  Specification ==
73	73
74	74
...	...	@@ -77,7 +77,6 @@
77	77	* Supply Voltage: 2.1v ~~ 3.6v
78	78	* Operating Temperature: -40 ~~ 85°C
79	79
80		-
81	81	(% style="color:#037691" %)**NB-IoT Spec:**
82	82
83	83	* - B1 @H-FDD: 2100MHz
...	...	@@ -87,7 +87,6 @@
87	87	* - B20 @H-FDD: 800MHz
88	88	* - B28 @H-FDD: 700MHz
89	89
90		-
91	91	(% style="color:#037691" %)**Battery:**
92	92
93	93	* Li/SOCI2 un-chargeable battery
...	...	@@ -96,11 +96,9 @@
96	96	* Max continuously current: 130mA
97	97	* Max boost current: 2A, 1 second
98	98
99		-
100		-
101		-
102	102	== ​1.4  Applications ==
103	103
	98	+
104	104	* Smart Buildings & Home Automation
105	105	* Logistics and Supply Chain Management
106	106	* Smart Metering
...	...	@@ -112,15 +112,20 @@
112	112	​
113	113
114	114
115		-== 1.5  Pin Definitions ==
116	116
	111	+== 1.5  Pin Definitions & Switch ==
	112	+
	113	+
117	117	N95S31B use the mother board from NBSN95 which as below.
118	118
	116	+
119	119	[[image:image-20220709144723-1.png]]
120	120
121	121
	120	+
122	122	=== 1.5.1 Jumper JP2 ===
123	123
	123	+
124	124	Power on Device when put this jumper.
125	125
126	126
...	...	@@ -127,6 +127,7 @@
127	127
128	128	=== 1.5.2 BOOT MODE / SW1 ===
129	129
	130	+
130	130	(((
131	131	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.
132	132	)))
...	...	@@ -139,6 +139,7 @@
139	139
140	140	=== 1.5.3 Reset Button ===
141	141
	143	+
142	142	Press to reboot the device.
143	143
144	144
...	...	@@ -145,16 +145,15 @@
145	145
146	146	=== 1.5.4 LED ===
147	147
	150	+
148	148	It will flash:
149	149
150	150	1. When boot the device in flash mode
151	151	1. Send an uplink packet
152	152
153		-
154		-
155		-
156	156	= 2.  Use N95S31B to communicate with IoT Server =
157	157
	158	+
158	158	== 2.1  How it works ==
159	159
160	160
...	...	@@ -171,7 +171,7 @@
171	171
172	172	)))
173	173
174		-[[image:1657350248151-650.png]]
	175	+[[image:1657520100595-569.png]]
175	175
176	176	(((
177	177
...	...	@@ -187,6 +187,7 @@
187	187	[[image:image-20220709150546-2.png]]
188	188
189	189
	191	+
190	190	=== 2.2.1 Test Requirement ===
191	191
192	192
...	...	@@ -239,6 +239,7 @@
239	239
240	240	=== 2.2.3  Insert SIM card ===
241	241
	244	+
242	242	(((
243	243	Insert the NB-IoT Card get from your provider.
244	244	)))
...	...	@@ -254,14 +254,18 @@
254	254
255	255	=== 2.2.4  Connect USB – TTL to N95S31B to configure it ===
256	256
	260	+
257	257	(((
258	258	(((
259	259	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	+
260	260	)))
261	261	)))
262	262
263	263	[[image:1657351312545-300.png]]
264	264
	271	+
265	265	**Connection:**
266	266
267	267	(% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
...	...	@@ -285,8 +285,9 @@
285	285
286	286	[[image:1657329814315-101.png]]
287	287
	295	+
288	288	(((
289		-(% 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]]**
290	290	)))
291	291
292	292
...	...	@@ -293,9 +293,10 @@
293	293
294	294	=== 2.2.5  Use CoAP protocol to uplink data ===
295	295
296		-(% 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/]]
297	297
	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/]]**
298	298
	307	+
299	299	(((
300	300	**Use below commands:**
301	301	)))
...	...	@@ -343,6 +343,7 @@
343	343
344	344	=== 2.2.7  Use MQTT protocol to uplink data ===
345	345
	355	+
346	346	N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
347	347
348	348	* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
...	...	@@ -358,6 +358,7 @@
358	358
359	359	[[image:1657352645687-385.png]]
360	360
	371	+
361	361	(((
362	362	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.
363	363	)))
...	...	@@ -371,6 +371,7 @@
371	371
372	372	=== 2.2.8  Use TCP protocol to uplink data ===
373	373
	385	+
374	374	This feature is supported since firmware version v110
375	375
376	376	* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
...	...	@@ -385,6 +385,7 @@
385	385
386	386	=== 2.2.9  Change Update Interval ===
387	387
	400	+
388	388	User can use below command to change the (% style="color:green" %)**uplink interval**.
389	389
390	390	* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
...	...	@@ -393,13 +393,16 @@
393	393
394	394	)))
395	395
	409	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
396	396
	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).**
397	397
	413	+
398	398	== 2.3  Uplink Payload ==
399	399
400	400
401	401	(((
402		-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.
403	403	)))
404	404
405	405
...	...	@@ -408,7 +408,7 @@
408	408	)))
409	409
410	410	(((
411		- (% 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.
412	412	)))
413	413
414	414
...	...	@@ -431,17 +431,19 @@
431	431
432	432	(% style="color:red" %)
433	433	1. (((
434		-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"]].**
435	435	)))
436	436	1. (((
437		-By default, the device will send an uplink message every 1 hour.
438		-)))
	453	+**By default, the device will send an uplink message every 1 hour.**
439	439
440	440
441	441
	457	+
	458	+)))
442	442
443	443	=== 2.3.1  Payload Analyze ===
444	444
	462	+
445	445	N95S31B uplink payload includes in total 21 bytes
446	446
447	447
...	...	@@ -476,6 +476,8 @@
476	476	)))
477	477
478	478	(((
	497	+
	498	+
479	479	(((
480	480	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
481	481	)))
...	...	@@ -502,12 +502,41 @@
502	502	)))
503	503
504	504	(((
505		-
	525	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
506	506	)))
507	507
	528	+In this mode, uplink payload includes 91 bytes in total by default.
508	508
	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 NSE01 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(% style="color:red" %),SHTHUM,Time stamp : //**0113023163199c5e**//,.......
	556	+
509	509	=== 2.3.2  Device ID ===
510	510
	559	+
511	511	(((
512	512	By default, the Device ID equal to the last 6 bytes of IMEI.
513	513	)))
...	...	@@ -526,21 +526,44 @@
526	526
527	527	(((
528	528	The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
	578	+
	579	+
529	529	)))
530	530
	582	+(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
531	531
532	532
	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	+
533	533	=== 2.3.3  Version Info ===
534	534
535	535
	597	+(((
536	536	These bytes include the hardware and software version.
	599	+)))
537	537
	601	+(((
538	538	Higher byte: Specify hardware version: always 0x00 for N95S31B
	603	+)))
539	539
	605	+(((
540	540	Lower byte: Specify the software version: 0x6E=110, means firmware version 110
	607	+)))
541	541
	609	+(((
	610	+
	611	+)))
542	542
	613	+(((
543	543	For example: 0x00 6E: this device is N95S31B with firmware version 110.
	615	+)))
544	544
545	545	(((
546	546
...	...	@@ -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
...	...	@@ -829,13 +829,16 @@
829	829	(((
830	830
831	831
832		-(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
	980	+(((
	981	+(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
833	833	)))
	983	+)))
834	834
835	835
836	836
837	837	= 6.  Trouble Shooting =
838	838
	989	+
839	839	== 6.1  ​Connection problem when uploading firmware ==
840	840
841	841
...	...	@@ -851,6 +851,7 @@
851	851
852	852	== 6.2  AT Command input doesn't work ==
853	853
	1005	+
854	854	(((
855	855	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.
856	856
...	...	@@ -900,5 +900,8 @@
900	900
901	901	= 9.  Support =
902	902
	1055	+
903	903	* 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.
904	904	* 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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