Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 72.1 >
edited by Saxer Lin
on 2023/08/18 09:47
To version < 66.1 >
edited by Saxer Lin
on 2023/08/17 18:31
>
Change comment: Uploaded new attachment "image-20230817183137-1.png", version {1}

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Content
... ... @@ -41,6 +41,7 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,7 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
82 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,7 @@
105 105  )))
106 106  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
107 107  
110 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
... ... @@ -583,9 +583,7 @@
583 583  
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]]
587 587  
588 -
589 589  ===== 2.3.2.10.a  Uplink, PWM input capture =====
590 590  
591 591  [[image:image-20230817172209-2.png||height="439" width="683"]]
... ... @@ -609,44 +609,13 @@
609 609  [[image:image-20230817170702-1.png||height="161" width="1044"]]
610 610  
611 611  
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 +(% style="color:blue" %)**AT+PWMSET=AA（Default is 0）  ==> Corresponding downlink: 0B AA**
613 613  
614 -Frequency：
615 +When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ. 
615 615  
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 ,**
617 +When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. 
618 618  
619 -(((
620 620  
621 -
622 -(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 -)))
624 -
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 ,**
627 -
628 -(((
629 -
630 -
631 -(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632 -)))
633 -
634 -(% class="MsoNormal" %)
635 -Duty cycle:
636 -
637 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
638 -
639 -(% class="MsoNormal" %)
640 -
641 -
642 -(((
643 -
644 -)))
645 -
646 -
647 -[[image:image-20230818092200-1.png||height="344" width="627"]]
648 -
649 -
650 650  ===== 2.3.2.10.b  Downlink, PWM output =====
651 651  
652 652  [[image:image-20230817173800-3.png||height="412" width="685"]]
... ... @@ -893,24 +893,6 @@
893 893  ==== 2.3.3.12  PWM MOD ====
894 894  
895 895  
896 -* (((
897 -The maximum voltage that the SDA pin of SN50v3 can withstand is 3.6V, and it cannot exceed this voltage value, otherwise the chip may be burned.
898 -)))
899 -* (((
900 -If the PWM pin connected to the SDA pin cannot maintain a high level when it is not working, you need to remove the resistor R2 or replace it with a resistor with a larger resistance, otherwise a sleep current of about 360uA will be generated. The position of the resistor is shown in the figure below:
901 -)))
902 -
903 - [[image:image-20230817183249-3.png||height="320" width="417"]]
904 -
905 -* (((
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 -)))
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.
910 -
911 -
912 -)))
913 -
914 914  ==== 2.3.3.13  Working MOD ====
915 915  
916 916  
... ... @@ -931,6 +931,7 @@
931 931  * 8: MOD9
932 932  * 9: MOD10
933 933  
886 +
934 934  == 2.4 Payload Decoder file ==
935 935  
936 936  
... ... @@ -960,6 +960,7 @@
960 960  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
961 961  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
962 962  
916 +
963 963  == 3.2 General Commands ==
964 964  
965 965  
... ... @@ -1007,6 +1007,7 @@
1007 1007  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
1008 1008  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1009 1009  
964 +
1010 1010  === 3.3.2 Get Device Status ===
1011 1011  
1012 1012  
... ... @@ -1055,6 +1055,7 @@
1055 1055  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1056 1056  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1057 1057  
1013 +
1058 1058  === 3.3.4 Set Power Output Duration ===
1059 1059  
1060 1060  
... ... @@ -1087,6 +1087,7 @@
1087 1087  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1088 1088  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1089 1089  
1046 +
1090 1090  === 3.3.5 Set Weighing parameters ===
1091 1091  
1092 1092  
... ... @@ -1112,6 +1112,7 @@
1112 1112  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1113 1113  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1114 1114  
1072 +
1115 1115  === 3.3.6 Set Digital pulse count value ===
1116 1116  
1117 1117  
... ... @@ -1135,6 +1135,7 @@
1135 1135  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1136 1136  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1137 1137  
1096 +
1138 1138  === 3.3.7 Set Workmode ===
1139 1139  
1140 1140  
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1160 1160  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1161 1161  
1162 1162  
1163 -
1164 -=== 3.3.8 PWM setting ===
1165 -
1166 -Feature: Set the time acquisition unit for PWM input capture.
1167 -
1168 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1169 -
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" %)(((
1173 -0(default)
1174 -
1175 -OK
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" %)(((
1178 -OK
1179 -
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
1182 -
1183 -(% style="color:blue" %)**Downlink Command: 0x0C**
1184 -
1185 -Format: Command Code (0x0C) followed by 1 bytes.
1186 -
1187 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1188 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1189 -
1190 -
1191 1191  = 4. Battery & Power Consumption =
1192 1192  
1193 1193  
... ... @@ -1213,6 +1213,7 @@
1213 1213  * (Recommanded way) OTA firmware update via wireless: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
1214 1214  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1215 1215  
1147 +
1216 1216  = 6. FAQ =
1217 1217  
1218 1218  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1221,6 +1221,7 @@
1221 1221  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1222 1222  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1223 1223  
1156 +
1224 1224  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1225 1225  
1226 1226  
... ... @@ -1260,6 +1260,7 @@
1260 1260  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1261 1261  * (% style="color:red" %)**NH**(%%): No Hole
1262 1262  
1196 +
1263 1263  = 8. ​Packing Info =
1264 1264  
1265 1265  
... ... @@ -1274,6 +1274,7 @@
1274 1274  * Package Size / pcs : cm
1275 1275  * Weight / pcs : g
1276 1276  
1211 +
1277 1277  = 9. Support =
1278 1278  
1279 1279  
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