Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual de usuario descargar pdf (Pagina 258)

Publication 1760-UM002B-EN-P - March 2005

4-148 Wiring with Pico GFX-70

Figure 4.70 Signal diagram of timing relay, on and off-delayed 1

1: trigger coil T..EN

2: stop coil T..ST

3: reset coil T..RE

4: switching contact (make contact) T..Q1

t

s1

: pick-up time

t

s2

: drop-out time

• Range A:

The relay processes the two times without any interruption.

• Range B:

The trigger coil drops out before the on-delay is reached.

• Range C:

The Stop coil stops the timeout of the on-delay.

• Range D:

The stop coil has no effect in this range.

A

B

C

1

2

4

3

D

tt

s1

t

s2

t

s2

t

s1

t

s2

t

1

+ t

2

= t

s1

1 2 ... 253 254 255 256 257 258 259 260 261 262 263 ... 399 400

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