User Manual
Table Of Contents
- 1747-6.8, Direct Communication Module User Manual
- Important User Information
- Summary of Changes
- Table of Contents
- Preface
- 1 - Overview
- 2 - Quick Start for Experienced Users
- 3 - Addressing
- 4 - Module Configuration
- 5 - Installation and Wiring
- 6 - Programming
- 7 - Troubleshooting
- 8 - Application Examples
- A - Specifications
- B - DCM Addressing Worksheet
- Index
- Back Cover
Chapter 3
Addressing
3–4
I/O Image Tables
Word
2
Word 3
Word 4
Word 5
Word 6
Word 7
Word 0
Word 1
Reserved for Status W
ord
Decimal
Reserved for Status W
ord
17 16 15 14 13 12 7 6 5 4 3 2 1 011 10Octal
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7
Word 0
Word 1
Reserved for Status W
ord
Status W
ord
Reserved for Status W
ord
Status W
ord
15 14 13 12 11 10 7 6 5 4 3 2 1 098
Decimal 15 14 13 12 11 10 7 6 5 4 3 2 1 098 Decimal 15 14 13 12 11 10 7 6 5 4 3 2 1 098
I = Input
I:1.1/8
1 = Physical DCM Slot
1 = Word
8 = Bit (decimal)
SLC Input Image T
able
O:011/10
O = Output
01 = Logical Rack
1 = Logical I/O Group
10 = Bit (octal)
PLC Output Image T
able
DCM Input Image T
able
Word
2
Word 3
Word 4
Word 5
Word 6
Word 7
Word 0
Word 1
Reserved for Status W
ord
Decimal
Status W
ord
17 16 15 14 13 12 7 6 5 4 3 2 1 011 10Octal
Word 2
Word 3
Word 4
Word 5
Word 6
Word 7
Word 0
Word 1
Reserved for Status W
ord
Status W
ord
Reserved for Status W
ord
Reserved Status W
ord
15 14 13 12 11 10 7 6 5 4 3 2 1 098
Decimal 15 14 13 12 11 10 7 6 5 4 3 2 1 098 Decimal 15 14 13 12 11 10 7 6 5 4 3 2 1 098
O:1.6/2
SLC Output Image T
able
I:016/2
PLC Input Image T
able
DCM Output Image T
able
O = Output
1 = Physical DCM Slot
6 = Word
2 = Bit (decimal)
I = Input
01 = Logical Rack
6 = Logical I/O Group
2 = Bit (octal)
DCM/SLC to PLC
DCM/SLC configuration: Logical Rack Address = 1
Physical Slot Number = 1
Logical I/O Group = 0
Full Logical Rack
PLC to DCM/SLC
DCM/SLC configuration: Logical Rack Address = 1
Physical Slot Number = 1
Logical I/O Group = 0
Full Logical Rack