Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual de usuario descargar pdf (Pagina 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

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