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iNS-316 User Manual
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7.2.5 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
iNS-316.
[Request]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x05
02-03
DO Address
2 Byte
Byte 02 = high byte
Byte 03 = Low byte
04-05
Output Value
2 Byte
0xFF 00 sets the output to ON
0x00 00 sets the output to OFF
Byte 04 = high byte
Byte 05 = Low byte
[Response]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x05
02
DO Address
2 Byte
The value is the same as Bytes 02-03 of the
Request
03
Output Value
2 Byte
The value is the same as Bytes 04-05 of the
Request
[Error Response]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x85
02
Exception Code
1 Byte
Refer to the Modbus Standard
Specifications for more details