Watchdog variable

[eden212]

hi everyone, i want to make a variable in zenon that tells me if i have a connection to the PLC, i want to show for every PLC if it is communicate with the zenon scada or not.
the PLC is ABB AC500.
thank you

[felixst]

Hello,

please take a look into the driver manuals. Here you find the information which driver variables are available for a certain driver. Some of them give you information about the connection status.

Regards,
Felix