Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 356)

After You’ve Entered Your Program
Chapter 18
18–35
To force On the external input file address, follow the steps below.
1. Press the force On key. A confirmation screen appears.
FON
C
-
F O R C E B I T O N ?
Y E S [ E N T ] N O [ E S C ]
2. Accept the confirmation to force the bit On.
ENT
R 0 0 0 F O N
I / 6 1
This simulates the closing of the external input circuit. However, the
actual open/closed status of the external input circuit no longer affects the
program logic.
For the previous example, the following is now true:
•
The instruction state box is filled, indicating that I/6 is true.
•
FOn appears in the upper right-hand corner, indicating that the input is
forced On.
•
The data value, shown in the lower right-hand corner, is now a 1.
•
The controller’s Forced I/O LED is on continuously.