Last modified by Bei Jinggeng on 2025/01/10 15:51
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From version < 72.1 >
edited by Saxer Lin
on 2023/08/18 09:47
To version < 79.1 >
edited by Mengting Qiu
on 2023/12/13 10:24
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1 -XWiki.Saxer
1 +XWiki.ting
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19 19  
20 20  (% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
21 21  
22 -(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
22 +(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, and so on.
23 23  
24 24  (% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
25 25  
... ... @@ -27,7 +27,6 @@
27 27  
28 28  SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
29 29  
30 -
31 31  == 1.2 ​Features ==
32 32  
33 33  
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581 581  
582 582  ==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 583  
583 +(% style="color:red" %)**Note: Firmware not release, contact Dragino for testing.**
584 +
584 584  In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 585  
586 -[[It should be noted when using PWM mode.>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H2.3.3.12A0PWMMOD]]
587 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
587 587  
588 588  
589 589  ===== 2.3.2.10.a  Uplink, PWM input capture =====
590 590  
592 +
591 591  [[image:image-20230817172209-2.png||height="439" width="683"]]
592 592  
593 593  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
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611 611  
612 612  When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
613 613  
614 -Frequency：
616 +**Frequency：**
615 615  
616 616  (% class="MsoNormal" %)
617 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0 ,**
619 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
618 618  
619 -(((
621 +(% class="MsoNormal" %)
622 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
620 620  
621 621  
622 -(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 -)))
624 -
625 625  (% class="MsoNormal" %)
626 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1 ,**
626 +**Duty cycle:**
627 627  
628 -(((
628 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
629 629  
630 +[[image:image-20230818092200-1.png||height="344" width="627"]]
630 630  
631 -(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632 -)))
632 +===== 2.3.2.10.b  Uplink, PWM output =====
633 633  
634 -(% class="MsoNormal" %)
635 -Duty cycle:
634 +[[image:image-20230817172209-2.png||height="439" width="683"]]
636 636  
637 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
636 +(% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMOUT=a,b,c**
638 638  
639 -(% class="MsoNormal" %)
638 +a is the time delay of the output, the unit is ms.
640 640  
640 +b is the output frequency, the unit is HZ.
641 641  
642 -(((
642 +c is the duty cycle of the output, the unit is %.
643 643  
644 -)))
644 +(% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**Downlink**(%%):  (% style="color:#037691" %)**0B 01 bb cc aa **
645 645  
646 +aa is the time delay of the output, the unit is ms.
646 646  
647 -[[image:image-20230818092200-1.png||height="344" width="627"]]
648 +bb is the output frequency, the unit is HZ.
648 648  
650 +cc is the duty cycle of the output, the unit is %.
649 649  
650 -===== 2.3.2.10.b  Downlink, PWM output =====
651 651  
653 +For example, send a AT command: AT+PWMOUT=65535,1000,50  The PWM is always out, the frequency is 1000HZ, and the duty cycle is 50.
654 +
655 +The oscilloscope displays as follows:
656 +
657 +[[image:image-20231213102404-1.jpeg||height="780" width="932"]]
658 +
659 +
660 +===== 2.3.2.10.c  Downlink, PWM output =====
661 +
662 +
652 652  [[image:image-20230817173800-3.png||height="412" width="685"]]
653 653  
654 654  Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
... ... @@ -906,8 +906,18 @@
906 906  The signal captured by the input should preferably be processed by hardware filtering and then connected in. The software processing method is to capture four values, discard the first captured value, and then take the middle value of the second, third, and fourth captured values.
907 907  )))
908 908  * (((
909 -Since the device can only detect a pulse period of 50ms when AT+PWMSET=0 (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
920 +Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>||anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
921 +)))
922 +* (((
923 +PWM Input allows low power consumption. PWM Output to achieve real-time control, you need to go to class C. Power consumption will not be low.
910 910  
925 +For PWM Output Feature, there are two consideration to see if the device can be powered by battery or have to be powered by external DC.
926 +
927 +a) If real-time control output is required, the SN50v3-LB is already operating in class C and an external power supply must be used.
928 +
929 +b) If the output duration is more than 30 seconds, better to use external power source. 
930 +
931 +
911 911  
912 912  )))
913 913  
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1159 1159  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1160 1160  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1161 1161  
1162 -
1163 -
1183 +(% id="H3.3.8PWMsetting" %)
1164 1164  === 3.3.8 PWM setting ===
1165 1165  
1166 -Feature: Set the time acquisition unit for PWM input capture.
1167 1167  
1187 +(% class="mark" %)Feature: Set the time acquisition unit for PWM input capture.
1188 +
1168 1168  (% style="color:blue" %)**AT Command: AT+PWMSET**
1169 1169  
1170 1170  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1171 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1172 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1192 +|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 223px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 130px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1193 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:223px" %)0|(% style="width:130px" %)(((
1173 1173  0(default)
1174 1174  
1175 1175  OK
1176 1176  )))
1177 -|(% style="width:154px" %)AT+PWMSET=0|(% style="width:196px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:157px" %)(((
1198 +|(% style="width:154px" %)AT+PWMSET=0|(% style="width:223px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:130px" %)(((
1178 1178  OK
1179 1179  
1180 1180  )))
1181 -|(% style="width:154px" %)AT+PWMSET=1|(% style="width:196px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:157px" %)OK
1202 +|(% style="width:154px" %)AT+PWMSET=1|(% style="width:223px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:130px" %)OK
1182 1182  
1183 1183  (% style="color:blue" %)**Downlink Command: 0x0C**
1184 1184  
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1188 1188  * Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1189 1189  
1190 1190  
1191 -= 4. Battery & Power Consumption =
1212 +(% class="mark" %)Feature: Set PWM output time, output frequency and output duty cycle.
1192 1192  
1214 +(% style="color:blue" %)**AT Command: AT+PWMOUT**
1193 1193  
1216 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1217 +|=(% style="width: 183px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 193px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 137px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1218 +|(% style="width:183px" %)AT+PWMOUT=?|(% style="width:193px" %)0|(% style="width:137px" %)(((
1219 +0,0,0(default)
1220 +
1221 +OK
1222 +)))
1223 +|(% style="width:183px" %)AT+PWMOUT=0,0,0|(% style="width:193px" %)The default is PWM input detection|(% style="width:137px" %)(((
1224 +OK
1225 +
1226 +)))
1227 +|(% style="width:183px" %)AT+PWMOUT=5,1000,50|(% style="width:193px" %)(((
1228 +The PWM output time is 5ms, the output frequency is 1000HZ, and the output duty cycle is 50%.
1229 +
1230 +
1231 +)))|(% style="width:137px" %)(((
1232 +OK
1233 +)))
1234 +
1235 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1236 +|=(% style="width: 155px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 112px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 242px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**parameters**
1237 +|(% colspan="1" rowspan="3" style="width:155px" %)(((
1238 +AT+PWMOUT=a,b,c
1239 +
1240 +
1241 +)))|(% colspan="1" rowspan="3" style="width:112px" %)(((
1242 +Set PWM output time, output frequency and output duty cycle.
1243 +
1244 +(((
1245 +
1246 +)))
1247 +
1248 +(((
1249 +
1250 +)))
1251 +)))|(% style="width:242px" %)(((
1252 +a: Output time (unit: seconds)
1253 +
1254 +The value ranges from 0 to 65535.
1255 +
1256 +When a=65535, PWM will always output.
1257 +)))
1258 +|(% style="width:242px" %)(((
1259 +b: Output frequency (unit: HZ)
1260 +)))
1261 +|(% style="width:242px" %)(((
1262 +c: Output duty cycle (unit: %)
1263 +
1264 +The value ranges from 0 to 100.
1265 +)))
1266 +
1267 +(% style="color:blue" %)**Downlink Command: 0x0B01**
1268 +
1269 +Format: Command Code (0x0B01) followed by 6 bytes.
1270 +
1271 +Downlink payload：0B01 bb cc aa **~-~--> **AT+PWMOUT=a,b,c
1272 +
1273 +* Example 1: Downlink Payload: 0B01 03E8 0032 0005 **~-~-->**  AT+PWMSET=5,1000,50
1274 +* Example 2: Downlink Payload: 0B01 07D0 003C 000A **~-~-->**  AT+PWMSET=10,2000,60
1275 +
1276 +
1277 +
1278 += 4. Battery & Power Cons =
1279 +
1280 +
1194 1194  SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1195 1195  
1196 1196  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
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