Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual do Utilizador descarregar pdf (Página 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

AB

1

2

4

3

t

t

s1

t

s2

C

1 2 ... 256 257 258 259 260 261 262 263 264 265 266 ... 399 400

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