► Repeat steps 1 to 3 for the opposite transmission direction.
>
8.6.3 Use fail-safe network variables in the application
43015
WARNING!
Stopping a fail-safe PLC in the Debug mode does neither lead to an interruption of the safe
cross communication nor to a reset of the currently active signals, i.e. receiving fail-safe
PLCs do not react. This behaviour is intended and is used for testing of the system and for
trouble shooting.Art und Quelle der Gefahr.
> Risk of personal injuries and damage to property
► Make sure that there are never any people in the dangerous zone of the installation in
the Debug mode.Zu ergreifende Maßnahmen.
To use the set Safety NetVars they have to be activated in the safe application of the AC4S devices.
Requirements:
> Network variable lists were created in transmitter and receiver and correctly configured (→ Set up fail-safe
network variables (→ S. 88)).
1 Activate network variable list of the transmitter
► Open safe application of the AC4S (transmitter)
► Add NetVarSender function block
► Select the designation of the network variable list (transmitter) as instance name.
► Configure function block (→ CODESYS help)
2 Activate network variable list of the receiver
► Open safe application of the AC4S (receiver).
► Add NetVarReceiver function block.
► Select the designation of the network variable list (receiver) as instance name.
► Configure function block (→ CODESYS help)
3 Optional: Activate more network variable lists
► Repeat steps 1 and 2 to activate additional network variable lists.
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