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5 Function blocks
5.32 T, timing relay
Control Relay easy800
11/11 MN04902001Z-EN
www.eaton.com
263
Timing relay, synchronous and asynchronous flashing
Time value I1: mark time
Time value I2: space time
Synchronous (symmetrical) flashing: I1 equal I2
Asynchronous flashing: I1 not equal I2
Figure 197:Signal diagram: timing relay, synchronous and asynchronous flashing
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 relay flashes for as long as the trigger coil is activated.
• Range B: The stop coil interrupts the timing out of the set time.
• Range C: The reset coil resets the relay.
t
1
+
t
2
=
t
s2
t
s1
t
s1
t
s1
t
s2
t
s2
t
s1
t
s1
t
s2
t
s2
A
B
1
2
4
3
t
t
s1
t
s2
C