Panasonic ELC500 User Manual page 124

5.6.6.3 Alarm Link Control
In order to control remote I/O according to the demand alarm.
When using the alarm link control function, check box [Use control according to alarm level].
Click [Remote I/O output].
It can't check when IEC demand is selected.
Set remote I/O unit output working for each alarm level.
Up to 16 units can be set.
Double-click the line to setup.
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ELC500 Control unit