Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Instrukcja Użytkownika Pobierz pdf (Strona 254)

Publication 1760-UM002B-EN-P - March 2005

4-144 Wiring with Pico GFX-70

Figure 4.66 Signal diagram of timing relay, on-delayed

(with and without random switching)

1: trigger coil T..EN

2: stop coil T..ST

3: reset coil T..RE

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

t

s

: setpoint time

• Range A:

The set time elapses normally.

• Range B:

The entered setpoint does not elapse normally because the trigger coil drops out prematurely.

• Range C:

The Stop coil stops the time from elapsing.

t

1

+ t

2

= t

s

t

A

B

t

s

1

2

4

3

C

1 2 ... 249 250 251 252 253 254 255 256 257 258 259 ... 399 400

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