Cpc400_digital_in – Watlow LogicPro User Manual
Page 228
Chapter 12: Function Blocks
LogicPro User’s Guide
212
Watlow Anafaze
Doc.# 28002-00 Rev 3.00
CPC400_Digital_In
The CPC400_Digital_In driver allows a logic program to
access the state of each of the digital inputs.
To read a digital input with a logic program variable:
1.
Open the
Add Program/Resource Variable
dialog box.
2.
Enter a unique variable
Name
.
3.
Select
BOOL
from the
Type
list.
4.
Select
Input
by clicking the check box.
NOTE!
A variable using the CPC400_Digital_ln driver
should always be an input and never an output.
5.
Select
CPC400_Digital_In
from the
IO Driver
list.
6.
In
IO Physical Address
field, enter the digital input number
(1 to 8).
7.
Click
[OK]
.
CPC400_Digital_In Addressing Example
To create a variable named My_Input_Var that reads the value
of the 4th digital input on a CPC400, set the options in the
Add Program/Resource Variable
dialog box as listed
below.