User Manual

Function blocks
235
08/04 AWB2528-1423GB
Figure 107: Signal diagram of offdelayed timing relay
(with/without random switching, with/without
retriggering)
1: trigger coil T..EN
2: stop coil T..ST
3: reset coil T..RE
4: switching contact (make contact) T..Q1
t
s
: setpoint time
•Range A:
The time elapses after the trigger coil is deactivated.
•Range B:
The Stop coil stops the time from elapsing.
•Range C:
The Reset coil resets the relay and the contact. After the Reset
coil drops out, the relay continues to work normally.
•Range D:
The Reset coil resets the relay and the contact when the function
block is timing out.
A
B
t
1
+ t
2
= t
s
t
s
C
1
2
4
3
t
s
D
t