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5.2 High Performance Model QCPU, Process CPU, Redundant CPU, Universal Model QCPU
5.2.11 Specifying valid parameters (Parameter-valid drive setting)
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MEMORIES AND FILES USED IN CPU MODULE
(b) Valid parameter determination timing
The valid parameters are determined at the following timing.
• When the programmable controller is powered ON (at power ON)
• When the reset operation of the CPU module is performed (at reset)
The CPU module automatically searches for the parameters at the timing above,
and operates with the parameter setting of the drive where the detected
parameters are stored.
When storing the parameters using the Write to PLC operation of GX Developer,
the valid parameter determination timing differs depending on the drive where
parameters are stored.
1) When parameters are stored to the drive different from the one where the
parameters in operation are stored.
Parameters are validated according to the order of priority set to the drives at
power ON or reset.
2) When parameters are stored to the drive same as the one where the
parameters in operation are stored.
Only the Device setting in parameters are validated at the time of completion
of the Write to PLC operation.
To validate all parameter settings, turn the power OFF and then ON, or
perform the reset operation.
