Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 261)

Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-151
Figure 4.74 Signal diagram of 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 activated after the Reset coil has
been deactivated and the time is still running.
Timing Relay, Synchronous and Asynchronous Flashing
Time value >I1: Pulse time
Time value >I2: Pause time
Synchronous (symmetrical) flashing: >I1 equal >I2
Asynchronous flashing: >I1 not equal >I2
Figure 4.75 Signal diagram of timing relay, synchronous and asynchronous flashing
1: trigger coil T..EN
t
D E
t t
s
1
2
4
3
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