User Manual

Function blocks
237
08/04 AWB2528-1423GB
Figure 109: Signal diagram of timing relay, on and off-delayed 1
1: trigger coil T..EN
2: stop coil T..ST
3: reset coil T..RE
4: switching contact (make contact) T..Q1
t
s1
: pick-up time
t
s2
: drop-out time
•Range A:
The relay processes the two times without any interruption.
•Range B:
The trigger coil drops out before the on-delay is reached.
•Range C:
The Stop coil stops the timeout of the on-delay.
•Range D:
The stop coil has no effect in this range.
A
B
C
1
2
4
3
D
tt
s1
t
s2
t
s2
t
s1
t
s2
t
1
+ t
2
= t
s1