0X0F) Write Multiple Coils - ICP DAS USA PIR-130-AC User Manual

3.8 15 (0x0F) Write Multiple Coils

This function code is used to write multiple values.
Request
Byte Description
00 Address
01 Function Code
02 - 03 Starting Address
04 - 05 Number of
Addresses
Requested
06 Byte Count
07 The values to be
written
*N = Number of addresses requested
Response
Byte Description
00 Address
01 Function Code
02 - 03 Starting Address
04 - 05 Value from the
Requested Address
Error Response
Byte Description
00 Address
01 Function Code
02 Exception Code
PIR-130-AC/DC User Manual Ver. 1.4.0, 2020/07/28
Length
Value
(in Bytes)
1 1 to 247
1 0x0F
2 Refer to the Modbus Address Mapping
Table for details.
2 0x0001 to 0x0001 + *N
1 *N/8
1 A bit corresponds to a channel. If the bit is
1, it denotes that the channel that was set
is ON. If the bit is 0, it denotes that the
channel that was set is OFF.
Length
Value
(in Bytes)
1 1 to 247
1 0x0F
2 The value is the same as bytes 02 and 03
of the Request
2 The value is the same as bytes 04 and 05
of the Request
Length
Value
(in Bytes)
1 1 to 247
1 0x8F
1 Refer to the Modbus standard for more
details.
85/93