Rockwell-automation T80004 Application Note Field Loop Configuration Manuel d'utilisateur télécharger pdf (Page 41)

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AN-T80004 Field Loop Configuration

Issue 10 Jun 13 AN-T80004 41

IO Real -100% to +100%

Pulse width from continuous off demand to continuous on demand.

ENABLE Boolean True to enable pulses

CYCLE_TIME Integer Pulse spacing in milliseconds

PULSE_MIN Integer

Minimum pulse width in milliseconds (smaller pulses are ignored)

RATIO_POSNEG Real Pulse width bias factor (1.0 = linear)

If the pulse width bias factor is 1.0, the function block will demand the following pulse output:

100.0

-100.0

0.0

50.0

-50.0

No pulses, no outputs

50% duty cycle close pulses

50% duty cycle open pulses

Close output on continuously

Open output on continuously

Open

Demand

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Rockwell-automation T80004 Application Note Field Loop Configuration Manuel d'utilisateur Page 41