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MELSEC-Q
3 SPECIFICATIONS AND FUNCTIONS
Common functions
The outline of the functions executed as necessary are described below.
(Refer to Section 2 for details on each function.)
Common functions Details
Reference
section
Parameter initialization function
This function returns the "parameters" stored in the QD75MH
buffer memory and flash ROM to the default values.
The following two methods can be used.
1) Method using PLC program
2) Method using GX Configurator-QP
13.2
Execution data backup function
This functions stores the "setting data", currently being
executed, into the flash ROM.
1) Method using PLC program
2) Method using GX Configurator-QP
13.3
External signal selection function
This functions is selected either of external device connector of
QD75MH or external input signal of servo amplifier whether
connect the upper/lower limit signal and the Near-point dog
signal.
13.4
External I/O signal logic switching function
This function switches I/O signal logic according to externally
connected devices.
This function enables the use of the system that does not use b
(N.C.)-contact signals, such as Upper/lower limit signal, by
setting parameters to positive logic.
13.5