Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE User Manual
Page 33
Getting Started with Your ASCII Module
Chapter 2
2Ć26
The displayed power bars will be replaced by I’s at the left and right
margins of the screen. The prompt EDITING will blink.
7.
Enter your instructions and addresses. Refer to the PLC-3
Programming Manual (publication 1775-801) as needed.
NOTE: Be sure that you have entered the prefix F (file) in the addresses
of your block transfer read (BTR) and block transfer write (BTW)
instructions. Create a (nominal) 64 word file for your BTR and BTW data
files as follows:
Press CR,<file address>100,Y [ENTER]
where the <> symbols are not entered but designate data that you enter.
Example file addresses are O3:0 and O2:0.
8.
Assemble your program.
Press ASM,Y[ENTER]
The power bars now become solid lines.
9.
Check your program using the consecutive display mode starting
with the first rung.
Press [SHIFT][DISPLAY][ENTER]SR[ENTER]
Use [RUNG
↓
] and [RUNG
↑
] as needed to move from rung to rung.
Installing Your ASCII Module
Be sure that power to the I/O chassis is turned off when installing (or
removing) your ASCII module as follows:
1.
Turn off power to the I/O chassis.
2.
Insert the ASCII module in rack 1, module group 1, slot 1. The
program makes the processor communicate with the ASCII module
at that specific location. (If you must use another rack location and
are familiar with programming block transfer instructions, change