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9
PROGRAMMING
9.1.3 MODBUS device assignment parameter setting
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(1) MODBUS device assignment parameter setting method
Make MODBUS device assignment parameter setting in the following procedure.
1) Store the parameters into the MODBUS device assignment parameter area
(address: 0900
2) Turn ON MODBUS device assignment parameter setting request (Y8).
(2) I/O signals for MODBUS device assignment parameter setting
Use the following I/O signals for MODBUS device assignment parameter setting.
Signal
Module READY
X0
ON : Accessible
OFF : Inaccessible
Basic parameter setting existence
X3
ON : Parameters set
OFF : No parameters set
MODBUS device assignment parameter setting, normally completed
X8
ON : Normally completed
OFF :
MODBUS device assignment parameter setting, error completed
X9
ON : Error completed
OFF :
MODBUS device assignment parameter setting existence
XA
ON : Parameters set
OFF : No parameters set
MODBUS device assignment parameter setting request
Y8
ON : Being requested
OFF : Not requested
to 09FF
) of the buffer memory.
H
H
Signal Name
MELSEC-Q
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