Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 255)

Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-145
Figure 4.67 Signal diagram of timing relay, on-delayed
(with and without random switching)
• Range D:
The Stop coil is inoperative after the time has elapsed.
• Range E:
The Reset coil resets the relay and the contact.
• Range F:
The Reset coil resets the time during the timeout sequence. After the Reset coil drops out, the
time elapses normally.
Timing relay, off-delayed with and without random switching
Random switching, with and without retriggering:
The contact of the timing relay randomly switches within the set value range.
Retriggering:
When the time is running and the trigger coil is reactivated or deactivated, the
actual value is reset to zero. The set time of the timing relay is timed out once
more.
t
F
D E
t
s
1
2
4
3
t
s
F
t
s