Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual User Manual

Page 207

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Publication 1760-UM002B-EN-P - March 2005

Wiring with Pico GFX-70 4-97

In the parameter display of a PID controller you set the operating mode, the
setpoints and enable the parameter display.

Operating Modes of the PID Controller

Inputs

The function block inputs

>I1

,

>I2

,

>KP

,

>TN

,

>TV

,

>TC

and

>MV

can have the

following operands:

• Constants
• Markers MD, MW, MB
• Analog inputs IA01 to IA04

IA01: terminal I7

IA02: terminal I8

IA03: terminal I11

IA04: terminal I12

• Analog output QA01
• Actual value

QV> of another function block

Actual Value

QV>

The actual value

QV> can be assigned the following operands:

• Markers MD, MW, MB
• Analog output QA01

>TC

Scan time

>MV

Manual manipulated variable

QV>

Manipulated variable

Parameter

Manipulated variable is output as

UNP

Unipolar 12-bit value 0 to +4095

BIP

Bipolar 13-bit value (signed 12-bit value) -4096 to +4095

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