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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
1
2
3
4
t
t
t
t
t
s1
s1
s1
s1
t
t
t
t
s2
s2
s2
s2
A
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.
Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com
t
t
s1
s1
+
= t
t
t
t
1
2
s2
s2
B
C
5 Function blocks
5.32 T, timing relay
263
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