0X05) Force A Single Coil (Write Do Value) - ICPDAS ET-2268 CR User Manual

ET-2200 Series Ethernet I/O Modules
6.2.5

05(0x05) Force a Single Coil (Write DO value)

This function code is used to set the status of a single coil or a single Digital Output value for the
ET-2200 series module.
[Request]
Byte Description
00 Net ID (Station Number)
01 Function Code
02-03 DO Address
04-05 Output Value
[Response]
Byte Description
00 Net ID (Station Number)
01 Function Code
02-03 DO Address
04-05 Output Value
[Error Response]
Byte Description
00 Net ID (Station Number)
01 Function Code
02 Exception Code
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Size
1 Byte 1 to 247
1 Byte 0x05
Refer to Section
2 Bytes Table" to find the address.
Byte 02 = high byte ; Byte 03 = low byte
0xFF 00 sets the output to ON.
0x00 00 sets the output to OFF.
2 Bytes All other values are invalid and will not affect
the coil.
Byte 04 = high byte ; Byte 05 = low byte
Size
1 Byte 1 to 247
1 Byte 0x05
The value is the same as Bytes 02-03 of the
2 Bytes
Request
The value is the same as Bytes 04-05 of the
2 Bytes
Request
Size
1 Byte 1 to 247
1 Byte 0x85
Refer to the Modbus Standard Specifications
1 Byte
for more details.
Value
6.3 or 6.4 "Modbus Register
Value
Value
-147 -