
9/89 Device handbook A
PLUS
with / without LED display
,
157
679-19, 04/2016
Z
:
Logic output determined from all involved logic
inputs
D
:
Corresponds to signal Z, delayed by the switch-in
resp. dropout delay
A
:
Output signal of the logic function
S
:
State of the subsequent operation (e.g. of a relay),
corresponds normally to A, but may be inverted
(subsequent operation: relay OFF)
1)
Alarm reset inactive, switch-in and dropout delay 3s, follow-up action not inverted
Acknowledgment of
LED, inactive alarm
Acknowledgment of
LED, active alarm
2) Alarm reset active, switch-in and dropout delay 0s, follow-up action inverted
Reset when alarm is
inactive
Reset when alarm is
still active