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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.4
edited by Xiaoling
on 2022/06/02 10:01
Change comment: There is no comment for this version
To version 33.11
edited by Xiaoling
on 2022/06/02 10:10
Change comment: There is no comment for this version

Summary

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... ... @@ -1122,52 +1122,52 @@
1122 1122  
1123 1123  The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1124 1124  
1125 -
1126 1126  The 5V output time can be controlled by AT Command.
1127 1127  
1127 +
1128 1128  (% style="color:#037691" %)**AT+5VT=1000**
1129 1129  
1130 +
1130 1130  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1131 1131  
1132 -
1133 1133  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1134 1134  
1135 1135  
1136 -
1137 1137  == 3.9 LEDs ==
1138 1138  
1139 -|**LEDs**|**Feature**
1140 -|**LED1**|Blink when device transmit a packet.
1138 +(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
1139 +|=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 +|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1141 1141  
1142 1142  == 3.10 Switch Jumper ==
1143 1143  
1144 -|**Switch Jumper**|**Feature**
1145 -|**SW1**|(((
1144 +(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1145 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1146 +|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1146 1146  ISP position: Upgrade firmware via UART
1147 1147  
1148 1148  Flash position: Configure device, check running status.
1149 1149  )))
1150 -|**SW2**|(((
1151 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1151 1151  5V position: set to compatible with 5v I/O.
1152 1152  
1153 1153  3.3v position: set to compatible with 3.3v I/O.,
1154 1154  )))
1155 1155  
1156 -+3.3V: is always ON
1157 +**+3.3V**: is always ON
1157 1157  
1158 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1159 +**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1159 1159  
1160 -1. Case Study
1161 1161  
1162 -User can check this URL for some case studies.
1162 += 4. Case Study =
1163 1163  
1164 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1164 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1165 1165  
1166 1166  
1167 1167  
1168 += 5. Use AT Command =
1168 1168  
1169 -1. Use AT Command
1170 -11. Access AT Command
1170 +== 5.1 Access AT Command ==
1171 1171  
1172 1172  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1173 1173