ABB 6550-500 Manual De Instrucciones página 52

Operation
Pushbutton Operation (Slide Switch, see Fig. 1)
Applies only to 6550U-10x-500
With pushbutton operation, the relay output functions like
an NO-contact pushbutton. Pushbutton operation can be
realised via the Mechanical Operating Element, the IR
Operating Element 6066-xxx-500, and via the Extension
Input.
● Touch: The relay is switched on for a short time.
● Hold down: The relay switches for the period of
operation.
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