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

Page 213

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Publication 1760-UM002B-EN-P - March 2005

Wiring with Pico GFX-70 4-103

Value Range for Inputs and Outputs

Example:

Displaying the Parameter Set in the PARAMETERS Menu

• + Access enabled
• - Access disabled

Coil

FT01EN to FT32EN, function block enable

Memory Requirement of the FT Function Block

The FT function block requires 56 bytes of memory plus 4 bytes per constant
on the function block input.

Function of the Signal Smoothing Filter Function Block

If the function block is called for the first time, the output value is initialized
with the input value when the device is started or after a reset. This speeds up
the startup behavior of the function block.

Value range

Resolution/unit

>I1

Input value of the function
block

-32 768 to +32767

>TG

Recovery time T

g

0 to 65535

in 100/ms

>KP

Proportional gain K

p

0 to 65535

in -- /%

QV>

Output value

-32 768 to +32767

Value at input

Value processed
in the function
block.

>TG

Recovery time T

g

250

25 s

>KP

Proportional gain K

p

1500

15

IMPORTANT

The signal smoothing filter must be enabled so that it can
work. Coil FT..EN is active. If coil FT..EN is not active, the
entire function block is deactivated and reset. The output
value is set to zero.

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