Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 108)

Chapter 10
Using Remote I/O
10 – 16
Return Message Number and ASCII Data for
Message Displayed to PLC
WORD 1
17 16 15 14
Message Number
WORD 0
Handshake Bit
Input Image Table - 1/4 rack
Acknowledge Bit
Clock/Date Data Bit = 0
Diagnostic Code
WORD 1
17 16 15 14
Message Number
WORD 0
Handshake Bit
Enter Bit
Input Image Table - 1/2 rack
WORD 2
WORD 3
ASCII Character 1
Acknowledge Bit
Clock/Date Data Bit = 0
Diagnostic Code
ASCII Character 3
ASCII Character 2
ASCII Character 4
WORD 1
17 16 15 14
Message Number
WORD 0
Handshake Bit
Enter Bit
Input Image Table - 3/4 rack
WORD 2
WORD 3
ASCII Character 1
Acknowledge Bit
Clock/Date Data Bit = 0
Diagnostic Code
ASCII Character 3
ASCII Character 2
ASCII Character 4
WORD 4
WORD 5 ASCII Character 7
ASCII Character 6
ASCII Character 8
ASCII Character 5