Eaton easySafety, Manual

Page: 332 / 695

Standard function blocks
328
02/16 MN05013001Z EN
Timing relay, single pulse
Figure 162: Signal diagram timing relay, single pulse 1
1: Trigger coil T…EN
2: Stop coil T…ST
3: Reset coil T…RE
4: Switching contact (N/O contact) T…Q1
• Range A: The trigger signal is short and is lengthened.
• Range B: The trigger signal is longer than the set time.
• Range C: The stop coil interrupts the timing out of the set time.
Figure 163: Signal diagram timing relay, single pulse 2
• Range D: The reset coil resets the timing relay.
• Range E: The reset coil resets the timing relay. The trigger coil is
still energized after the reset coil is disconnected, whilst the
delay time runs down.
A B
t
1
+ t
2
= t
s
t
s
t
s
C
1
2
4
3
t
D
E
t t
s
1
2
4
3