Rockwell Automation 2705 REDIPANEL KEYPAD MODULE USER MANUAL - Manual (Page 54)

Chapter 7
Programming
7–16
The following pages contain a PLC–2 example program which utilizes many
of the functions of the Keypad Module. Keep in mind that this program is
simply an example - your applications may or may not fit this structure.
The programming examples cover the following topics:
•
Part A: Examining accumulated values of a counter
•
Part B: Changing and examining preset values of a counter
•
Part C: Displaying a 16–character message
•
Part D: Displaying a message and variable data simultaneously
•
Part E: Destination bits for retrieval of data
To operate the following program, set the Keypad Module for:
BCD Mode
Rack 1
3 /
4
Rack Configuration
I/O Group = 0
Baud Rate = 57.6K
Enable:
Destination Bits
Stored Message
Split Display
Disable:
Handshake
Keyswitch
Last State
XT–keyboard
Note: A table has been constructed to assign numeric values to word
locations.
Word 477=0
Word 511=1 - ①
Word 512=2 - ①
Word 513=3 - ①
Word 510=500 - Destination Bits
① These numbers are used to call up stored messages from EEPROM in the Keypad Module.
PLC-2 Programming Example