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Soft_input – Watlow LogicPro User Manual

Page 231

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LogicPro User’s Guide

Chapter 12: Function Blocks

Doc.# 28002-00 Rev 3.00

Watlow Anafaze

215

Soft_Input

A logic program can generate an analog input to a closed-loop
control channel. To do so, output a value to one of the

Soft

Input

registers and enable the soft input for use on the

channel.

To set a Soft Input with a logic program variable:

1.

Open the

Add Program/Resource Variable

dialog box.

2.

Enter a unique variable

Name

.

3.

Select

INT

from the

Type

list.

4.

Select

Output

by clicking the check box.

5.

Select

Soft_Input

from the

IO Driver

list.

6.

Select

WORD

as the

IO Size

.

7.

In the

IO Physical Address

field enter the Soft Input num-

ber (1-9).

8.

Click

[OK]

.

Soft Input Addressing Example

To create a variable named PV_From_Logic_1 that sets the
value of the first soft input, set the options in the Add
Program/Resource Variable dialog box as illustrated below.