Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.4 >
edited by Xiaoling
on 2023/08/19 15:45
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  
... ... @@ -581,15 +581,11 @@
581 581  
582 582  ==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 583  
584 -
585 585  In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
586 586  
587 -[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
588 588  
589 -
590 590  ===== 2.3.2.10.a  Uplink, PWM input capture =====
591 591  
592 -
593 593  [[image:image-20230817172209-2.png||height="439" width="683"]]
594 594  
595 595  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
... ... @@ -611,28 +611,15 @@
611 611  [[image:image-20230817170702-1.png||height="161" width="1044"]]
612 612  
613 613  
614 -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**
615 615  
616 -**Frequency：**
615 +When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ. 
617 617  
618 -(% class="MsoNormal" %)
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）;
617 +When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. 
620 620  
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）;
623 623  
624 -
625 -(% class="MsoNormal" %)
626 -**Duty cycle:**
627 -
628 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
629 -
630 -[[image:image-20230818092200-1.png||height="344" width="627"]]
631 -
632 -
633 633  ===== 2.3.2.10.b  Downlink, PWM output =====
634 634  
635 -
636 636  [[image:image-20230817173800-3.png||height="412" width="685"]]
637 637  
638 638  Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
... ... @@ -877,24 +877,6 @@
877 877  ==== 2.3.3.12  PWM MOD ====
878 878  
879 879  
880 -* (((
881 -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.
882 -)))
883 -* (((
884 -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:
885 -)))
886 -
887 - [[image:image-20230817183249-3.png||height="320" width="417"]]
888 -
889 -* (((
890 -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.
891 -)))
892 -* (((
893 -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.
894 -
895 -
896 -)))
897 -
898 898  ==== 2.3.3.13  Working MOD ====
899 899  
900 900  
... ... @@ -915,6 +915,7 @@
915 915  * 8: MOD9
916 916  * 9: MOD10
917 917  
886 +
918 918  == 2.4 Payload Decoder file ==
919 919  
920 920  
... ... @@ -944,6 +944,7 @@
944 944  * 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]].
945 945  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
946 946  
916 +
947 947  == 3.2 General Commands ==
948 948  
949 949  
... ... @@ -991,6 +991,7 @@
991 991  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
992 992  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
993 993  
964 +
994 994  === 3.3.2 Get Device Status ===
995 995  
996 996  
... ... @@ -1039,6 +1039,7 @@
1039 1039  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1040 1040  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1041 1041  
1013 +
1042 1042  === 3.3.4 Set Power Output Duration ===
1043 1043  
1044 1044  
... ... @@ -1071,6 +1071,7 @@
1071 1071  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1072 1072  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1073 1073  
1046 +
1074 1074  === 3.3.5 Set Weighing parameters ===
1075 1075  
1076 1076  
... ... @@ -1096,6 +1096,7 @@
1096 1096  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1097 1097  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1098 1098  
1072 +
1099 1099  === 3.3.6 Set Digital pulse count value ===
1100 1100  
1101 1101  
... ... @@ -1119,6 +1119,7 @@
1119 1119  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1120 1120  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1121 1121  
1096 +
1122 1122  === 3.3.7 Set Workmode ===
1123 1123  
1124 1124  
... ... @@ -1143,32 +1143,7 @@
1143 1143  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1144 1144  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1145 1145  
1146 -=== 3.3.8 PWM setting ===
1147 1147  
1148 -Feature: Set the time acquisition unit for PWM input capture.
1149 -
1150 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1151 -
1152 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1153 -|=(% 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**
1154 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1155 -0(default)
1156 -
1157 -OK
1158 -)))
1159 -|(% 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" %)(((
1160 -OK
1161 -
1162 -)))
1163 -|(% 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
1164 -
1165 -(% style="color:blue" %)**Downlink Command: 0x0C**
1166 -
1167 -Format: Command Code (0x0C) followed by 1 bytes.
1168 -
1169 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1170 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1171 -
1172 1172  = 4. Battery & Power Consumption =
1173 1173  
1174 1174  
... ... @@ -1194,6 +1194,7 @@
1194 1194  * (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/]]**
1195 1195  * 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]]**.
1196 1196  
1147 +
1197 1197  = 6. FAQ =
1198 1198  
1199 1199  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1202,6 +1202,7 @@
1202 1202  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1203 1203  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1204 1204  
1156 +
1205 1205  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1206 1206  
1207 1207  
... ... @@ -1241,6 +1241,7 @@
1241 1241  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1242 1242  * (% style="color:red" %)**NH**(%%): No Hole
1243 1243  
1196 +
1244 1244  = 8. ​Packing Info =
1245 1245  
1246 1246  
... ... @@ -1255,6 +1255,7 @@
1255 1255  * Package Size / pcs : cm
1256 1256  * Weight / pcs : g
1257 1257  
1211 +
1258 1258  = 9. Support =
1259 1259  
1260 1260  
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