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13 COMMON FUNCTIONS
13.1 Outline of common functions
"Common functions" are executed according to the user's requirements, regardless of
the control method, etc.
Common functions include "parameter initialization", "execution data backup", "work
status and error code display", etc. These common functions are executed by
commands from the AD75 software package, common function sequence programs,
mode switches on the front panel of the main unit, etc.
The following table shows the functions included in the "common functions".
Common function Details
Parameter initialization
function
This function returns the "setting data" stored in the D75P2 flash
ROM to the factory-set initial value.
There are two methods for this function.
1) Method using the AD75 software package
2) Method using the sequence program
Execution data backup
function
This function stores (backs up) the "setting data", currently being
executed, in the flash ROM.
There are two methods for this function.
1) Method using the AD75 software package
2) Method using the sequence program
LED display function
This function displays the D75P2 work status, signal status, error
details, etc., on the 17-segment LED on the front of the main unit.
The display details are changed over using the mode switch on the
front of the main unit.
Clock data function
This function sets the PLC CPU clock data in the D75P2.
This is used for various history data, etc.