Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.2 >
edited by Xiaoling
on 2023/08/19 15:36
To version < 68.1 >
edited by Saxer Lin
on 2023/08/17 18:32
>
Change comment: Uploaded new attachment "image-20230817183249-3.png", version {1}

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Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Saxer
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"]]
... ... @@ -609,24 +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,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
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 -(% class="MsoNormal" %)
620 -(% 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）;
621 621  
622 -(% class="MsoNormal" %)
623 -Duty cycle:
624 -
625 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
626 -
627 -[[image:image-20230818092200-1.png||height="344" width="627"]]
628 -
629 -
630 630  ===== 2.3.2.10.b  Downlink, PWM output =====
631 631  
632 632  [[image:image-20230817173800-3.png||height="412" width="685"]]
... ... @@ -873,24 +873,6 @@
873 873  ==== 2.3.3.12  PWM MOD ====
874 874  
875 875  
876 -* (((
877 -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.
878 -)))
879 -* (((
880 -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:
881 -)))
882 -
883 - [[image:image-20230817183249-3.png||height="320" width="417"]]
884 -
885 -* (((
886 -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.
887 -)))
888 -* (((
889 -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.
890 -
891 -
892 -)))
893 -
894 894  ==== 2.3.3.13  Working MOD ====
895 895  
896 896  
... ... @@ -911,6 +911,7 @@
911 911  * 8: MOD9
912 912  * 9: MOD10
913 913  
886 +
914 914  == 2.4 Payload Decoder file ==
915 915  
916 916  
... ... @@ -940,6 +940,7 @@
940 940  * 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]].
941 941  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
942 942  
916 +
943 943  == 3.2 General Commands ==
944 944  
945 945  
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987 987  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
988 988  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
989 989  
964 +
990 990  === 3.3.2 Get Device Status ===
991 991  
992 992  
... ... @@ -1035,6 +1035,7 @@
1035 1035  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1036 1036  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1037 1037  
1013 +
1038 1038  === 3.3.4 Set Power Output Duration ===
1039 1039  
1040 1040  
... ... @@ -1067,6 +1067,7 @@
1067 1067  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1068 1068  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1069 1069  
1046 +
1070 1070  === 3.3.5 Set Weighing parameters ===
1071 1071  
1072 1072  
... ... @@ -1092,6 +1092,7 @@
1092 1092  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1093 1093  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1094 1094  
1072 +
1095 1095  === 3.3.6 Set Digital pulse count value ===
1096 1096  
1097 1097  
... ... @@ -1115,6 +1115,7 @@
1115 1115  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1116 1116  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1117 1117  
1096 +
1118 1118  === 3.3.7 Set Workmode ===
1119 1119  
1120 1120  
... ... @@ -1139,32 +1139,7 @@
1139 1139  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1140 1140  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1141 1141  
1142 -=== 3.3.8 PWM setting ===
1143 1143  
1144 -Feature: Set the time acquisition unit for PWM input capture.
1145 -
1146 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1147 -
1148 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1149 -|=(% 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**
1150 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1151 -0(default)
1152 -
1153 -OK
1154 -)))
1155 -|(% 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" %)(((
1156 -OK
1157 -
1158 -)))
1159 -|(% 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
1160 -
1161 -(% style="color:blue" %)**Downlink Command: 0x0C**
1162 -
1163 -Format: Command Code (0x0C) followed by 1 bytes.
1164 -
1165 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1166 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1167 -
1168 1168  = 4. Battery & Power Consumption =
1169 1169  
1170 1170  
... ... @@ -1190,6 +1190,7 @@
1190 1190  * (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/]]**
1191 1191  * 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]]**.
1192 1192  
1147 +
1193 1193  = 6. FAQ =
1194 1194  
1195 1195  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1198,6 +1198,7 @@
1198 1198  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1199 1199  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1200 1200  
1156 +
1201 1201  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1202 1202  
1203 1203  
... ... @@ -1237,6 +1237,7 @@
1237 1237  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1238 1238  * (% style="color:red" %)**NH**(%%): No Hole
1239 1239  
1196 +
1240 1240  = 8. ​Packing Info =
1241 1241  
1242 1242  
... ... @@ -1251,6 +1251,7 @@
1251 1251  * Package Size / pcs : cm
1252 1252  * Weight / pcs : g
1253 1253  
1211 +
1254 1254  = 9. Support =
1255 1255  
1256 1256  
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