Panasonic GTWIN Reference Manual page 145

Menus
Here are the most important settings for the parts found on the base screen.
If we transfer recipe file number 3, entitled "Full Cooling" to the PLC, the following events are
triggered.

For device data WY0, outputs Y1, Y3 are set and output Y2 is reset, i.e. the ceiling
vents are opened, the floor vents are closed and the air-conditioning is turned on.

For device data WY1, output Y10 is set, which triggers a timer that will turn off the air
conditioner after 1 hour has expired.
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GTWIN Reference Manual