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Chapter 7 Memory Configuration and Data Process
POINT
The setting values of the parameters that correspond to parameter area (b) are
valid when written into the buffer memory with the TO command.
However, the setting values of the parameters that correspond to parameter area
(a) are not validated until the PLC READY signal [Y0] changes from OFF to ON.
(4) Accessing with FROM command from PLC CPU ( )
The data is read from the buffer memory to the PLC CPU using the FROM
command
5
.
5: "Servo parameter (PA19, PD, PE, PS, PF, Po, PL)", "Positioning data (No.101 to
600)" and "Block start data (No.7002 to 7004)" can be read with only
GX Works2 in QD77MS16.
(5) Reading the servo parameter from the servo amplifier ( )
When the parameter of the servo amplifier is changed, the servo parameter is
read automatically from the servo amplifier to the buffer memory/internal memory
and internal memory (nonvolatile).