Allen-Bradley SLC 500

Table of Contents vii
Publication 1747-6.2
Identifying SLC 5/02 Processor Communication Errors 10–9 . . . . . . .
Troubleshooting
the SLC 5/03, SLC 5/04, and SLC 5/05 Processors 10–1 1
Clearing SLC 5/03, SLC 5/04, and SLC 5/05 Processor Faults
Using the Keyswitch 10–1 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identifying
SLC 5/03, SLC 5/04, and SLC 5/05 Processor Errors 10–12
Identifying SLC 5/03, SLC 5/04, and SLC 5/05 Processor
Communication Errors 10–17 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identifying Processor Errors while
Downloading an Operating System 10–21 . . . . . . . . . . . . . . . . . . . .
Returning
the SLC 5/03, SLC 5/04, and SLC 5/05 Processors
to “Initial Factory Conditions” 10–25 . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Y
our Input Modules 10–26 . . . . . . . . . . . . . . . . . . . . . .
Input
Circuit Operation 10–26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Y
our Input Modules 10–27 . . . . . . . . . . . . . . . . . . . .
Troubleshooting Y
our Output Modules 10–28 . . . . . . . . . . . . . . . . . . . . .
Output
Circuit Operation 10–28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Y
our Output Modules 10–29 . . . . . . . . . . . . . . . . . . .
Chapter 11
Replacement Parts 1 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement
T erminal Blocks 1 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A
DH-485 Network Description A–1. . . . . . . . . . . . . . . . . . . . . . . . . . .
DH-485 Network Protocol A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DH-485
T oken Rotation A–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DH-485
Network Initialization A–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Devices
that use the DH-485 Network A–2. . . . . . . . . . . . . . . . . . . . .
1747-AIC
Isolated Link Coupler for DH-485 A–4. . . . . . . . . . . . . . . . .
Example
System Configuration A–5. . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring
the SLC 5/03, SLC 5/04, and SLC 5/05
Channel 0 for DH485 A–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important
Planning Considerations A–7. . . . . . . . . . . . . . . . . . . . . . .
Hardware
Considerations A–7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number
of Devices and Length of Communication Cable A–7. . .
Planning
Cable Routes A–7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Software
Considerations A–8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number
of Nodes A–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Node Addresses A–9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Processor Baud Rate A–9. . . . . . . . . . . . . . . . . . . . . . .
Maximum
Node Address Setting A–9. . . . . . . . . . . . . . . . . . . . .
Maximum Number of Communicating Devices A–10. . . . . . . . . . .
Installing the DH-485 Network A–10. . . . . . . . . . . . . . . . . . . . . . . . . . .
DH-485
Communication Cable and Isolated Link Coupler A–10. . . . .
Installing
the DH-485 Communication Cable A–10. . . . . . . . . . . . . .
Replacement Parts
Setting Up the DH-485
Network