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Relay is an external security device connected to the system.
The relay can be setup in one of the following statuses:
Each executive object like relay is furnished with an executive device, which is a physical device, switched on and off with the relay. The map displays symbols of the following types of executive devices:
To operate the relay, the Operator uses the map (see the Operations with the relay section) or pre-defined macro commands (Run menu in the main control panel).