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4.14 Write Multiple Coils (FC: 15)
4
MODBUS(R) STANDARD FUNCTIONS
(2) Response message format (Slave Master)
(When completed normally)
(When completed with an error)
* 1 Exception and error codes are stored in the buffer memory in the case of error completion.
Refer to the following for storage location, confirmation methods, and detailed contents.
Section 11.4
Figure 4.83 Write multiple coils (Normal response message)
Figure 4.84 Write multiple coils (Exception message)
Data
(L) (L)
Function code
Function
code
(0F
H)
Head coil number
(The same head coil number
value as in the request
message is stored.)
Write points
(The same write points
value as in the request
message is stored.)
(H)
(H)
Data
Function code
Function
code
(8F
H)
Exception
code*
1
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