User Manual

Function blocks
233
08/04 AWB2528-1423GB
Figure 105: Signal diagram of timing relay, on-delayed
(with and without random switching)
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 set time elapses normally.
•Range B:
The entered setpoint does not elapse normally because the
trigger coil drops out prematurely.
•Range C:
The Stop coil stops the time from elapsing.
t
1
+ t
2
= t
s
t
A
B
t
s
1
2
4
3
C