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 How to use the special relays
 
With the GP's internal special relay, it's possible to realize various screen actions.

When the GP's power turns on, a default value is substituted for an address by using the bit that turns on at the time of the default screen display.
Action process when the power turns ON
(Initializing each address)
 
 
This is the animation processed by address changes with using Bit ON/OFF of each communication cycle between GP and PLC.
Action environment at the time of a communication cycle (Changing an address)

The normally turned-ON bit is used as a trigger bit of the keypad input display.
Action process when the bit is normally ON. (Trigger Bit for keypad input)
 
 
Screens are changed by using the bit that turns on at the time of a communication error.
Action process at the time of a communication error
(Changing screens)
There are other samples using the special relay available.
 

Feature
Since all are processed inside of the GP, the PLC's ladder programs are lightened.
It can be also used for debug or screen maintenance.

* GP2000 series and GLC2000 series support this functionality.
* GP-PRO/PB III for Windows Ver. 5.0 or higher is required.

Download a sample program file and detailed description.



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