Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 73.1 >
edited by Saxer Lin
on 2023/08/18 09:50
To version < 67.1 >
edited by Saxer Lin
on 2023/08/17 18:32
>
Change comment: Uploaded new attachment "image-20230817183218-2.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"]]
... ... @@ -609,43 +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 -
621 621  
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 -
640 -
641 -(((
642 -
643 -)))
644 -
645 -
646 -[[image:image-20230818092200-1.png||height="344" width="627"]]
647 -
648 -
649 649  ===== 2.3.2.10.b  Downlink, PWM output =====
650 650  
651 651  [[image:image-20230817173800-3.png||height="412" width="685"]]
... ... @@ -892,24 +892,6 @@
892 892  ==== 2.3.3.12  PWM MOD ====
893 893  
894 894  
895 -* (((
896 -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.
897 -)))
898 -* (((
899 -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:
900 -)))
901 -
902 - [[image:image-20230817183249-3.png||height="320" width="417"]]
903 -
904 -* (((
905 -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.
906 -)))
907 -* (((
908 -Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.3.8PWMsetting]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
909 -
910 -
911 -)))
912 -
913 913  ==== 2.3.3.13  Working MOD ====
914 914  
915 915  
... ... @@ -930,6 +930,7 @@
930 930  * 8: MOD9
931 931  * 9: MOD10
932 932  
886 +
933 933  == 2.4 Payload Decoder file ==
934 934  
935 935  
... ... @@ -959,6 +959,7 @@
959 959  * 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]].
960 960  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
961 961  
916 +
962 962  == 3.2 General Commands ==
963 963  
964 964  
... ... @@ -1006,6 +1006,7 @@
1006 1006  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
1007 1007  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1008 1008  
964 +
1009 1009  === 3.3.2 Get Device Status ===
1010 1010  
1011 1011  
... ... @@ -1054,6 +1054,7 @@
1054 1054  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1055 1055  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1056 1056  
1013 +
1057 1057  === 3.3.4 Set Power Output Duration ===
1058 1058  
1059 1059  
... ... @@ -1086,6 +1086,7 @@
1086 1086  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1087 1087  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1088 1088  
1046 +
1089 1089  === 3.3.5 Set Weighing parameters ===
1090 1090  
1091 1091  
... ... @@ -1111,6 +1111,7 @@
1111 1111  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1112 1112  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1113 1113  
1072 +
1114 1114  === 3.3.6 Set Digital pulse count value ===
1115 1115  
1116 1116  
... ... @@ -1134,6 +1134,7 @@
1134 1134  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1135 1135  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1136 1136  
1096 +
1137 1137  === 3.3.7 Set Workmode ===
1138 1138  
1139 1139  
... ... @@ -1159,32 +1159,6 @@
1159 1159  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1160 1160  
1161 1161  
1162 -=== 3.3.8 PWM setting ===
1163 -
1164 -Feature: Set the time acquisition unit for PWM input capture.
1165 -
1166 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1167 -
1168 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1169 -|=(% 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**
1170 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1171 -0(default)
1172 -
1173 -OK
1174 -)))
1175 -|(% 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" %)(((
1176 -OK
1177 -
1178 -)))
1179 -|(% 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
1180 -
1181 -(% style="color:blue" %)**Downlink Command: 0x0C**
1182 -
1183 -Format: Command Code (0x0C) followed by 1 bytes.
1184 -
1185 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1186 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1187 -
1188 1188  = 4. Battery & Power Consumption =
1189 1189  
1190 1190  
... ... @@ -1210,6 +1210,7 @@
1210 1210  * (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/]]**
1211 1211  * 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]]**.
1212 1212  
1147 +
1213 1213  = 6. FAQ =
1214 1214  
1215 1215  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1218,6 +1218,7 @@
1218 1218  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1219 1219  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1220 1220  
1156 +
1221 1221  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1222 1222  
1223 1223  
... ... @@ -1257,6 +1257,7 @@
1257 1257  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1258 1258  * (% style="color:red" %)**NH**(%%): No Hole
1259 1259  
1196 +
1260 1260  = 8. ​Packing Info =
1261 1261  
1262 1262  
... ... @@ -1271,6 +1271,7 @@
1271 1271  * Package Size / pcs : cm
1272 1272  * Weight / pcs : g
1273 1273  
1211 +
1274 1274  = 9. Support =
1275 1275  
1276 1276  
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