MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 576)

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MELSEC-Q
13 COMMON FUNCTIONS
13.1 Outline of common functions
"Common functions" are executed according to the user's requirements, regardless of
the control system, etc. These common functions are executed by peripheral devices
or using sequence programs.
The following table shows the functions included in the "common functions".
Means
Common function Details Sequence
program
Peripheral
devices
Parameter initialization
This function returns the
parameter stored in the QD75
buffer memory and flash ROM to
the factory-set initial value.
Execution data backup
This function writes the
"execution data", currently being
used for control, to the flash
ROM.
External I/O signal logic
switching
This function switches I/O signal
logic according to the equipment
connected to the QD75.
For the system in which drive unit
READY with b-contact, upper
limit switch, and lower limit switch
are not used, the parameter logic
setting can be controlled without
wiring if it is changed to a
"positive logic".
External I/O signal
monitor
This function monitors the
external I/O signal monitor
information in the module's
detailed information which can be
displayed on the system monitor
of GX Developer .
 
Usable on GX Developer (SW6D5C-GPPW-E or later).