ALLEN BRADLEY 1747-L551 PLC Processor

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Table of Contents vii Identifying SLC 5/02 Processor Communication Errors . . . . . . . 10–9 Troubleshooting the SLC 5/03, SLC 5/04, and SLC 5/05 Processors 10–11 Clearing SLC 5/03, SLC 5/04, and SLC 5/05 Processor Faults Using the Keyswitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–11 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 Your Input Modules . . . . . . . . . . . . . . . . . . . . . . 10–26 Input Circuit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–26 Troubleshooting Your Input Modules . . . . . . . . . . . . . . . . . . . . 10–27 Troubleshooting Your Output Modules . . . . . . . . . . . . . . . . . . . . . 10–28 Output Circuit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–28 Troubleshooting Your Output Modules . . . . . . . . . . . . . . . . . . . 10–29 Replacement Parts Setting Up the DH-485 Network Chapter 11 Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–1 Replacement Terminal Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–3 Appendix A DH-485 Network Description . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1 DH-485 Network Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1 DH-485 Token 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 Publication 1747-6.2
viii Table of Contents Connecting the Communication Cable to the Isolated Link Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–12 Single Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . A–12 Multiple Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . A–12 Grounding and Terminating the DH-485 Network . . . . . . . . . . . A–13 Powering the Link Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . A–14 Installing and Attaching the Link Couplers . . . . . . . . . . . . . . . . A–16 RS-232 Communication Interface Appendix B RS-232 and SCADA Applications . . . . . . . . . . . . . . . . . . . . . . . . B–1 RS-232 Communication Interface Overview . . . . . . . . . . . . . . . . . B–1 SLC 5/03, SLC 5/04, and SLC 5/05 Processors and RS-232 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2 SLC 500 Devices that Support RS-232 Communication . . . . . . . . B–3 1770-KF3 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–3 1747-KE Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–3 1746-BAS Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–3 DF1 Protocol and the SLC 5/03, SLC 5/04, and SLC 5/05 Processors . . . . . . . . . . . . B–4 DF1 Full-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–4 Full-Duplex (Point-to-Point) . . . . . . . . . . . . . . . . . . . . . . . . . . . B–5 DF1 Half-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–5 ASCII Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–7 DF1 Communication Protocol Modems Overview . . . . . . . . . . . . . B–7 Wiring Connectors for RS-232 Communication . . . . . . . . . . . . . . . B–8 Types of RS-232 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . B–8 DTE Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–8 DCE Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–9 Pin Assignments for Wiring Connectors . . . . . . . . . . . . . . . . . . B–10 IBM AT to a Modem (Hardware Handshaking Enabled) . . . . . B–11 IBM AT to SLC 5/03, SLC 5/04, or SLC 5/05 Processor, 1770-KF3, 1775-KA, 1773-KA, 5130-RM or PLC-5 (Hardware Handshaking Disabled) . . . . . . . . . . . . . . . . . B–11 SLC 5/03, SLC 5/04, or SLC 5/05 Processor Connected to a Modem (Hardware Handshaking Enabled) B–11 SLC 5/03, SLC 5/04, or SLC 5/05 Processor to another SLC 5/03, SLC 5/04, or SLC 5/05, IBM AT, 1770-KF3, 1775-KA, 1773-KA, 5130-RM, or PLC-5 (Hardware Handshaking Disabled) . . . . . . . . . . . . . . . . . B–12 SLC 5/03, SLC 5/04, or SLC 5/05 Processor Connected to an IBM AT with a 1747-CP3 Cable . . . . . . . B–12 1747-KE to a Modem (Hardware Handshaking Enabled) . . . . B–12 1747-KE to a SLC 5/03, SLC 5/04, or SLC 5/05 Processor, IBM AT, 1770-KF3, 1775-KA, 1773-KA, 5130-RM, or PLC-5 (Hardware Handshaking Disabled) . . . . . . . . . . . . . . . . . B–13 1746-BAS to a Modem (Hardware Handshaking Enabled) . . . B–13 Publication 1747-6.2
Page 1 and 2: Allen-Bradley SLC 500 Modular Hardw
Page 3 and 4: The information below summarizes th
Page 5 and 6: iv Table of Contents DH-485 Interfa
Page 7: vi Table of Contents Recommendation
Page 11 and 12: x Table of Contents Calculating Hea
Page 13 and 14: P-2 Preface How to Use this Manual
Page 15 and 16: P-4 Preface Conventions Used in thi
Page 17 and 18: 1-2 Quick Start for Experienced Use
Page 25 and 26: 2-2 Selecting Your Hardware Compone
Page 33 and 34: 2-10 Selecting Your Hardware Compon
Page 53 and 54: 3-2 System Installation Recommendat
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3-8 System Installation Recommendat
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3-10 System Installation Recommenda
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3-12 System Installation Recommenda
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4-2 Mounting Your SLC 500 Control S
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5-2 Identifying the Components of Y
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5-10 Identifying the Components of
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6-2 Installing Your Hardware Compon
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6-10 Installing Your Hardware Compo
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7-2 Wiring Your I/O Modules Contact
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7-4 Wiring Your I/O Modules Prepari
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7-6 Wiring Your I/O Modules Feature
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7-8 Wiring Your I/O Modules Octal L
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7-10 Wiring Your I/O Modules Using
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This chapter describes how to start
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Starting Up Your Control System 8-3
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This chapter covers the following m
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Maintaining Your Control System 9-3
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In this chapter, you will learn abo
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Troubleshooting 10-3 Replacing Fuse
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Troubleshooting 10-5 If the LEDs in
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Troubleshooting 10-7 If the LEDs in
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Troubleshooting 10-9 Identifying SL
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Troubleshooting 10-11 Troubleshooti
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Troubleshooting 10-13 If the LEDs i
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Troubleshooting 10-17 Identifying S
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Troubleshooting 10-19 If the RS232
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Troubleshooting 10-21 Identifying P
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Troubleshooting 10-25 Returning the
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11-2 Replacement Parts Catalog Numb
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The information in this appendix wi
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Setting Up the DH-485 Network A-3 O
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Setting Up the DH-485 Network A-5 E
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Setting Up the DH-485 Network A-7 I
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Setting Up the DH-485 Network A-9 T
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Setting Up the DH-485 Network A-11
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This appendix provides an overview
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RS-232 Communication Interface B-3
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This appendix provides an overview
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Setting Up the DH+ Network C-3 Wiri
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This appendix provides a brief intr
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Control Networks D-3 DeviceNet Netw
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- Use this Table to Calculate the
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Power Supply Worksheet E-3 Hardware
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This appendix will assist you in ca
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Calculating Heat Dissipation for th
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This appendix: • describes SLC 5/
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Communicating with Devices on an Et
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You can find the following terms us
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Glossary GL-3 Initiator — A node
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Glossary GL-5 Signal Delay — For
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I-2 Index hardware features, 5-2, 6
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I-4 Index DH-485 Communication Inte
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I-6 Index keyswitch positions for t
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I-8 Index Publication 1747-6.2 Q Qu
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I-10 Index T testing inputs, 8-5 ou
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