Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 125.7 >
edited by Xiaoling
on 2022/09/09 17:40
To version < 129.36 >
edited by Xiaoling
on 2023/04/03 17:01
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -17,7 +17,6 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 -
21 21  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
22 22  
23 23  (((
... ... @@ -68,6 +68,8 @@
68 68  * Micro SIM card slot for NB-IoT SIM
69 69  * 8500mAh Battery for long term use
70 70  
70 +
71 +
71 71  == 1.3  Specification ==
72 72  
73 73  
... ... @@ -78,12 +78,12 @@
78 78  
79 79  (% style="color:#037691" %)**NB-IoT Spec:**
80 80  
81 -* - B1 @H-FDD: 2100MHz
82 -* - B3 @H-FDD: 1800MHz
83 -* - B8 @H-FDD: 900MHz
84 -* - B5 @H-FDD: 850MHz
85 -* - B20 @H-FDD: 800MHz
86 -* - B28 @H-FDD: 700MHz
82 +* B1 @H-FDD: 2100MHz
83 +* B3 @H-FDD: 1800MHz
84 +* B8 @H-FDD: 900MHz
85 +* B5 @H-FDD: 850MHz
86 +* B20 @H-FDD: 800MHz
87 +* B28 @H-FDD: 700MHz
87 87  
88 88  (% style="color:#037691" %)**Battery:**
89 89  
... ... @@ -93,6 +93,8 @@
93 93  * Max continuously current: 130mA
94 94  * Max boost current: 2A, 1 second
95 95  
97 +
98 +
96 96  == ​1.4  Applications ==
97 97  
98 98  
... ... @@ -107,8 +107,6 @@
107 107  ​
108 108  
109 109  
110 -
111 -
112 112  == 1.5  Pin Definitions & Switch ==
113 113  
114 114  
... ... @@ -118,7 +118,6 @@
118 118  [[image:image-20220709144723-1.png]]
119 119  
120 120  
121 -
122 122  === 1.5.1 Jumper JP2 ===
123 123  
124 124  
... ... @@ -125,20 +125,18 @@
125 125  Power on Device when put this jumper.
126 126  
127 127  
128 -
129 129  === 1.5.2 BOOT MODE / SW1 ===
130 130  
131 131  
132 132  (((
133 -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 +**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.
134 134  )))
135 135  
136 136  (((
137 -2) Flash: work mode, device starts to work and send out console output for further debug
136 +**2) Flash:**  work mode, device starts to work and send out console output for further debug
138 138  )))
139 139  
140 140  
141 -
142 142  === 1.5.3 Reset Button ===
143 143  
144 144  
... ... @@ -145,18 +145,18 @@
145 145  Press to reboot the device.
146 146  
147 147  
148 -
149 149  === 1.5.4 LED ===
150 150  
151 151  
152 152  It will flash:
153 153  
154 -1. When boot the device in flash mode
155 -1. Send an uplink packet
151 +1.  When boot the device in flash mode
156 156  
157 -= 2.  Use N95S31B to communicate with IoT Server =
153 +2.  Send an uplink packet
158 158  
159 159  
156 += 2.  Use N95S31B to communicate with IoT Server =
157 +
160 160  == 2.1  How it works ==
161 161  
162 162  
... ... @@ -182,7 +182,6 @@
182 182  
183 183  == 2.2 ​ Configure the N95S31B ==
184 184  
185 -
186 186  === 2.2.1  Power On N95S31B ===
187 187  
188 188  
... ... @@ -189,10 +189,9 @@
189 189  [[image:image-20220709150546-2.png]]
190 190  
191 191  
189 +=== 2.2.2 Test Requirement ===
192 192  
193 -=== 2.2.1 Test Requirement ===
194 194  
195 -
196 196  (((
197 197  To use N95S31B in your city, make sure meet below requirements:
198 198  )))
... ... @@ -239,7 +239,6 @@
239 239  [[image:1657350625843-586.png]]
240 240  
241 241  
242 -
243 243  === 2.2.3  Insert SIM card ===
244 244  
245 245  
... ... @@ -255,7 +255,6 @@
255 255  [[image:1657351240556-536.png]]
256 256  
257 257  
258 -
259 259  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
260 260  
261 261  
... ... @@ -270,13 +270,13 @@
270 270  [[image:1657351312545-300.png]]
271 271  
272 272  
273 -**Connection:**
267 +(% style="color:blue" %)**Connection:**
274 274  
275 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
269 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
276 276  
277 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
271 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
278 278  
279 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
273 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
280 280  
281 281  
282 282  In the PC, use below serial tool settings:
... ... @@ -299,7 +299,6 @@
299 299  )))
300 300  
301 301  
302 -
303 303  === 2.2.5  Use CoAP protocol to uplink data ===
304 304  
305 305  
... ... @@ -314,10 +314,10 @@
314 314  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
315 315  )))
316 316  * (((
317 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
310 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
318 318  )))
319 319  * (((
320 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
313 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
321 321  )))
322 322  
323 323  (((
... ... @@ -336,7 +336,6 @@
336 336  [[image:1657352185396-303.png]]
337 337  
338 338  
339 -
340 340  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
341 341  
342 342  
... ... @@ -350,19 +350,18 @@
350 350  [[image:1657352403317-397.png]]
351 351  
352 352  
353 -
354 354  === 2.2.7  Use MQTT protocol to uplink data ===
355 355  
356 356  
357 357  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
358 358  
359 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
360 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
361 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
362 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
363 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
364 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
365 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
350 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
351 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
352 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
353 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
354 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
355 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
356 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
366 366  
367 367  [[image:1657352634421-276.png]]
368 368  
... ... @@ -380,7 +380,6 @@
380 380  )))
381 381  
382 382  
383 -
384 384  === 2.2.8  Use TCP protocol to uplink data ===
385 385  
386 386  
... ... @@ -395,7 +395,6 @@
395 395  [[image:1657352914475-252.png]]
396 396  
397 397  
398 -
399 399  === 2.2.9  Change Update Interval ===
400 400  
401 401  
... ... @@ -416,7 +416,6 @@
416 416  )))
417 417  
418 418  
419 -
420 420  == 2.3  Uplink Payload ==
421 421  
422 422  
... ... @@ -459,13 +459,11 @@
459 459  **By default, the device will send an uplink message every 1 hour.**
460 460  
461 461  
462 -
463 463  
464 464  )))
465 465  
466 466  === 2.3.1  Payload Analyze ===
467 467  
468 -
469 469  ==== 2.3.1.1  Before Firmware v1.2 ====
470 470  
471 471  
... ... @@ -472,11 +472,9 @@
472 472  N95S31B uplink payload includes in total 21 bytes
473 473  
474 474  
475 -(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:760px" %)
476 -|=(% style="width: 60px;" %)(((
477 -**Size(bytes)**
478 -)))|=(% style="width: 65px;" %)**6**|=(% style="width: 50px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 75px;" %)**1**|=(% style="width: 59px;" %)1|=(% style="width: 174px;" %)5|=(% style="width: 106px;" %)**2**|=(% style="width: 85px;" %)**2**
479 -|(% 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:174px" %)(((
461 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
462 +|=(% 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**
463 +|(% 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" %)(((
480 480  (((
481 481  Reserve/ Same as NBSN95 CFGMOD=1
482 482  )))
... ... @@ -484,7 +484,7 @@
484 484  (((
485 485  No function here.
486 486  )))
487 -)))|(% style="width:106px" %)(((
471 +)))|(% style="width:102px" %)(((
488 488  (((
489 489  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
490 490  )))
... ... @@ -492,7 +492,7 @@
492 492  (((
493 493  By SHT31
494 494  )))
495 -)))|(% style="width:85px" %)(((
479 +)))|(% style="width:81px" %)(((
496 496  (((
497 497  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
498 498  )))
... ... @@ -514,28 +514,29 @@
514 514  [[image:1657354294009-643.png]]
515 515  
516 516  
517 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
501 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
518 518  
519 -* Device ID:  0x724031607457 = 724031607457
503 +**where:**
520 520  
521 -* Version:  0x006e=110=1.1.0
505 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
522 522  
523 -* BAT:  0x0ccd = 3277 mV = 3.277V
507 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
524 524  
525 -* Signal:  0x1b = 27
509 +* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
526 526  
527 -* Model:  0x01 = 1
511 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
528 528  
529 -* 0x00dc000ccc= reserve, ignore in N95S31B
513 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
530 530  
531 -* Temperature by SHT31:  0x00e1 = 225 = 22.5 °C
515 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
532 532  
533 -* Humidity by SHT31:  0x0186 = 390 = 39.0 %rh
517 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
534 534  
519 +* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
520 +
535 535  (((
536 536  
537 537  
538 -
539 539  
540 540  )))
541 541  
... ... @@ -547,9 +547,9 @@
547 547  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.
548 548  
549 549  
550 -(% border="2" style="background-color:#ffffcc; color:green; width:1234px" %)
551 -|(% style="width:95px" %)**Size(bytes)**|(% style="width:82px" %)**8**|(% style="width:43px" %)**2**|(% style="width:47px" %)**2**|(% style="width:124px" %)**1**|(% style="width:56px" %)**1**|(% style="width:109px" %)**2**|(% style="width:80px" %)**1**|(% style="width:51px" %)**2**|(% style="width:79px" %)**2**|(% style="width:84px" %)**2**|(% style="width:100px" %)**4**|(% style="width:76px" %)**2**|(% style="width:81px" %)**2**|(% style="width:121px" %)**4**
552 -|(% 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 .....
535 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
536 +|=(% 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**
537 +|=(% 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 .....
553 553  
554 554  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
555 555  
... ... @@ -559,36 +559,40 @@
559 559  
560 560  The payload is ASCII string, representative same HEX:
561 561  
562 -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:
547 +**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__ **
563 563  
564 -* (% style="color:red" %)Device ID: f868411056758782 = f868411056758782
549 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
565 565  
566 -* (% style="color:blue" %)Version: 0x000c=120=1.2
551 +**where:**
567 567  
568 -* (% style="color:green" %)BAT: 0x0d0f = 3343 mV = 3.343V
553 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
569 569  
570 -* (% style="color:red" %)Singal: 0x0c = 12
555 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
571 571  
572 -* (% style="color:blue" %)Mod: 0x01 = 1
557 +* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
573 573  
574 -* TemDS18B20: 0x0000= 0 = 0
559 +* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
575 575  
576 -* (% style="color:green" %)Interrupt: 0x00= 0
561 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
577 577  
578 -* (% style="color:green" %)adc: 0x0030= 48
563 +* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
579 579  
580 -* SHTTEM: 0x0114= 276 = 27.6
565 +* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
581 581  
582 -* SHTHUM:0x0231 =561=56.1%
567 +* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
583 583  
584 -* (% style="color:red" %)Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
569 +* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
585 585  
586 -* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
571 +* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
587 587  
588 -* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
573 +* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
589 589  
575 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
590 590  
577 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
591 591  
579 +
580 +
592 592  === 2.3.2  Device ID ===
593 593  
594 594  
... ... @@ -603,7 +603,7 @@
603 603  )))
604 604  
605 605  (((
606 -**​​​​​​​(% style="color:blue" %)Example:(%%)**
595 +(% style="color:blue" %)**Example:**
607 607  )))
608 608  
609 609  (((
... ... @@ -624,12 +624,11 @@
624 624  User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
625 625  
626 626  
627 -**​​​​​​​​​​​​​​(% style="color:blue" %)Example:(%%)**
616 +(% style="color:blue" %)**Example:**
628 628  
629 629  AT+DEUI=868411056754138
630 630  
631 631  
632 -
633 633  === 2.3.3  Version Info ===
634 634  
635 635  
... ... @@ -657,7 +657,6 @@
657 657  
658 658  )))
659 659  
660 -
661 661  === 2.3.4  Battery Info ===
662 662  
663 663  
... ... @@ -670,7 +670,6 @@
670 670  )))
671 671  
672 672  
673 -
674 674  === 2.3.5  Signal Strength ===
675 675  
676 676  
... ... @@ -703,7 +703,6 @@
703 703  )))
704 704  
705 705  
706 -
707 707  === 2.3.6  Temperature & Humidity ===
708 708  
709 709  
... ... @@ -722,7 +722,6 @@
722 722  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
723 723  
724 724  
725 -
726 726  == 2.4  Downlink Payload ==
727 727  
728 728  
... ... @@ -775,7 +775,6 @@
775 775  )))
776 776  
777 777  
778 -
779 779  == 2.5  Humidity and Temperature alarm function ==
780 780  
781 781  
... ... @@ -811,16 +811,17 @@
811 811  AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
812 812  
813 813  
814 -
815 815  == 2.6 Set the number of data to be uploaded and the recording time ==
816 816  
817 817  
818 818  **~ (% style="color:blue" %)➢ AT Command:(%%)**
819 819  
820 -* (% 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)
802 +* (% 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)
821 821  * (% 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.
822 822  
805 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
823 823  
807 +[[image:image-20221009001045-1.png||height="726" width="1009"]]
824 824  
825 825  
826 826  == 2.7 Read or Clear cached data ==
... ... @@ -831,75 +831,17 @@
831 831  * (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
832 832  * (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
833 833  
834 -
835 -
836 836  [[image:image-20220908163102-2.png]]
837 837  
838 838  
821 +== 2.8 Battery & Power Consumption ==
839 839  
840 -== 2.8  ​Battery Analysis ==
841 841  
824 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
842 842  
843 -=== 2.8.1  ​Battery Type ===
826 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
844 844  
845 845  
846 -(((
847 -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.
848 -)))
849 -
850 -(((
851 -The battery is designed to last for several years depends on the actually use environment and update interval. 
852 -)))
853 -
854 -(((
855 -The battery related documents as below:
856 -)))
857 -
858 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
859 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
860 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
861 -
862 -(((
863 -[[image:image-20220709101450-2.png]]
864 -)))
865 -
866 -
867 -
868 -=== 2.8.2  Power consumption Analyze ===
869 -
870 -
871 -(((
872 -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.
873 -)))
874 -
875 -(((
876 -
877 -)))
878 -
879 -
880 -=== 2.8.3  ​Battery Note ===
881 -
882 -
883 -(((
884 -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.
885 -)))
886 -
887 -
888 -
889 -=== 2.8.4  Replace the battery ===
890 -
891 -
892 -(((
893 -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.
894 -)))
895 -
896 -
897 -(((
898 -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).
899 -)))
900 -
901 -
902 -
903 903  = 3. ​ Access NB-IoT Module =
904 904  
905 905  
... ... @@ -916,10 +916,8 @@
916 916  [[image:1657333200519-600.png]]
917 917  
918 918  
919 -
920 920  = 4.  Using the AT Commands =
921 921  
922 -
923 923  == 4.1  Access AT Commands ==
924 924  
925 925  
... ... @@ -1013,10 +1013,8 @@
1013 1013  AT+PWORD  : Serial Access Password
1014 1014  
1015 1015  
1016 -
1017 1017  = ​5.  FAQ =
1018 1018  
1019 -
1020 1020  == 5.1 ​ How to Upgrade Firmware ==
1021 1021  
1022 1022  
... ... @@ -1037,10 +1037,8 @@
1037 1037  )))
1038 1038  
1039 1039  
1040 -
1041 1041  = 6.  Trouble Shooting =
1042 1042  
1043 -
1044 1044  == 6.1  ​Connection problem when uploading firmware ==
1045 1045  
1046 1046  
... ... @@ -1053,7 +1053,6 @@
1053 1053  
1054 1054  )))
1055 1055  
1056 -
1057 1057  == 6.2  AT Command input doesn't work ==
1058 1058  
1059 1059  
... ... @@ -1063,7 +1063,6 @@
1063 1063  
1064 1064  )))
1065 1065  
1066 -
1067 1067  = 7. ​ Order Info =
1068 1068  
1069 1069  
... ... @@ -1070,11 +1070,6 @@
1070 1070  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
1071 1071  
1072 1072  
1073 -(% class="wikigeneratedid" %)
1074 -(((
1075 -
1076 -)))
1077 -
1078 1078  = 8.  Packing Info =
1079 1079  
1080 1080  (((
... ... @@ -1100,7 +1100,6 @@
1100 1100  (((
1101 1101  
1102 1102  
1103 -
1104 1104  
1105 1105  )))
1106 1106  
... ... @@ -1111,5 +1111,4 @@
1111 1111  * 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]]
1112 1112  
1113 1113  
1114 -
1115 1115  
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