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F&F BIS-419 Manual page 6

Bistable relay, sequential, 4-functions

Sequence C

» Subsequent pressings of a button repeat the sequence 0-1-2.

Sequence D

» Pressing the button again in less than 5 seconds repeats sequ-

ences 1-2.

» Pressing the button again after more than 5 seconds opens

both contacts (sequence 0).

» A long press of the button (in any sequence) opens both con-

tacts (sequence 0).

» After switching off both relays, pressing the button again re-

stores the state from before switching off (state memory). This

does not apply to relay power failure.

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