Allen-Bradley SLC 500

Allen-Bradley SLC 500

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Publication 1747-UM011G-EN-P - June 2008

270 Calculating Heat Dissipation for the SLC 500 Control System

Notes:

Table of Contents

Default Chapter5
- Table of Contents5
Preface13
- Purpose of this Manual13
- Who Should Use this Manual13
- Additional Resources14
- Common Techniques Used in this Manual14
Quick Start for Experienced Users15
Chapter 116
- Required Tools and Equipment16
- Procedures16
Selecting Your Hardware Components27
Chapter 2 European Union Directive Compliance28
- EMC Directive28
- Low Voltage Directive28
- Overview of Your Modular Control System29
  - Principles of Machine Control30
- Selecting Modular Processors31
  - Processor Features31
  - Processor Communication Options32
- Selecting Discrete I/O Modules36
- Selecting Specialty I/O Modules36
- Selecting Power Supplies36
- Selecting Enclosures40
- Selecting Operator Interfaces40
- Selecting a Memory Module for the SLC 5/01 and SLC42
- Processors42
  - EEPROM Memory Modules42
  - Memory Backup for the 1747-L511, SLC 5/01 Processor43
- SLC 5/05 Processors43
- EEPROM Burning Options44
- Selecting Isolation Transformers46
- Special Considerations47
Chapter 3 System Overview56
- Environment and Enclosure56
- Hazardous Location Considerations57
- Typical Installation58
- Spacing Your Controller58
- Preventing Excessive Heat60
- Grounding Guidelines61
- Master Control Relay66
  - Emergency-Stop Switches67
- Power Considerations68
- Safety Considerations72
- Preventive Maintenance73
- Mounting Modular Hardware Style Units75
Chapter 475
- 4-Slot Modular Chassis75
- 7-Slot Modular Chassis76
- 13-Slot Modular Chassis77
- Link Coupler (AIC)78
- Data Table Access Module79
- DTAM Micro79
- AIC+ Advanced Interface Converter (1761-NET-AIC)80
- Devicenet Interface (1761-NET-DNI)80
- Ethernet Interface (1761-NET-ENI)80
- SLC 5/01 Processor Hardware Features81
Chapter 583
- SLC 5/02 Processor Hardware Features83
- SLC 5/03 Processor Hardware Features86
- SLC 5/04 Processor Hardware Features89
- SLC 5/05 Processor Hardware Features92
- Keyswitch for the SLC 5/03, SLC 5/04, and SLC 5/05 Processors95
- Compliance to European Union Directives97
Chapter 697
- EMC Directive97
- Low Voltage Directive98
- Install Your Chassis98
- Installing Your Processor101
- Install Modules102
- Install Your Memory Module103
  - Remove the Memory Module104
- Install Your Power Supply104
- Install Your Chassis Interconnect Cable108
- Defining Sinking and Sourcing111
Chapter 7112
- Contact Output Circuits - Ac or DC112
- Solid-State DC I/O Circuits112
- Preparing Your Wiring Layout114
- Recommendations for Wiring I/O Devices115
- Features of an I/O Module116
- Wiring Your I/O Module116
- Octal Label Kit Installation117
- Using the Removable Terminal Block (RTB)119
  - Remove the RTB119
  - Install the RTB120
- Procedures for Starting the Control System121
Chapter 8122
- Inspect Your Installation122
- Disconnect Motion-Causing Device122
- Initialize and Test Your Processor123
- Test Your Inputs125
  - Input Troubleshooting Steps126
- Test Your Outputs126
  - Publication 1747-UM011G-EN-P - June126
  - Output Troubleshooting Steps128
- Enter and Test Your Program129
- Observe Control Motion131
- Conduct a Dry Run132
Chapter 9 Handling and Storing Battery, Catalog Number 1747-BA133
- Handling133
- Storing134
- Transporting134
- Disposal135
- Install and Replace the Battery of the SLC 5/01 or SLC136
- Processor136
- Replace Your SLC 5/03, SLC 5/04, or SLC 5/05 Battery137
- Replacing Retainer Clips on an I/O Module138
  - Remove Damaged Retainer Clips139
  - Install New Retainer Clips139
- Replace a Fuse on the Power Supply139
Maintaining Your Control System133
Chapter 10141
- Contacting Rockwell Automation for Assistance141
- Tips for Troubleshooting Your Control System142
- Troubleshooting the SLC 5/01 and SLC 5/02 Processors143
  - Identifying SLC 5/01 and SLC 5/02 Processor Errors144
  - Identifying SLC 5/02 Processor Communication Errors148
- Troubleshooting the SLC 5/03, SLC 5/04, and SLC 5/05 Processors149
- Identifying Processor Errors While Downloading an Operating System159
  - Returning the SLC 5/03, SLC 5/04, and SLC 5/05 Processors to Initial Factory Conditions161
- Troubleshooting Your Input Modules163
  - Input Circuit Operation163
  - Troubleshooting Your Input Modules164
- Troubleshooting Your Output Modules165
Troubleshooting141
Chapter 11 Replacement Cables and Connectors169
- Cable Connectivity Summary170
- Replacement Terminal Blocks171
- Other Replacement Hardware171
Replacement Parts169
Appendix A175
- SLC 500 System General Specifications175
- Processor General Specifications176
- Power Supply Specifications177
  - 1746-P1, 1746-P2, 1746-P3, and 1746-P4 Power Supplies177
  - 1746-P5, 1746-P6, and 1746-P7 Power Supplies179
Specifications175
Appendix B181
- Network Description181
- DH-485 Network Protocol182
- DH-485 Token Rotation182
- Network Initialization182
- Devices that Use the DH-485 Network183
- 1747-AIC Isolated Link Coupler for DH-485184
- 1747-UIC USB to DH-485 Interface Converter185
- Example System Configuration187
  - Configuring the SLC 5/03, SLC 5/04, and SLC 5/05 Channel 0 for DH485 Protocol188
- Important Planning Considerations189
  - Hardware Considerations189
  - Software Considerations191
- Installing the DH-485 Network193
Setting up the DH-485 Network181
Appendix C201
- And SCADA Applications201
- Communication Interface Overview201
- SLC 5/03, SLC 5/04, and SLC 5/05 Processors and201
- Communication202
- SLC 500 Devices that Support RS-232 Communication203
  - 1747-KE Module203
  - 1746-BAS and 1746-BAS-T Modules203
- DF1 Protocol and the SLC 5/03, SLC 5/04, and SLC204
- Processors204
- Modbus RTU Master Communication210
- ASCII Communication210
- Df1/Modbus RTU Communication Protocol Modems Overview210
- Wiring Connectors for RS-232 Communication211
- Applications for the RS-232 Communication Interface220
  - DF1 Full-Duplex Peer-To-Peer220
  - Half-Duplex with Slave-To-Slave Routing220
RS-232 Communication Interface201
Appendix D221
- Data Highway Plus Communication Protocol Overview221
- SLC 5/04 Processors and DH+ Communication222
  - DH+ Channel 1, 3-Pin222
  - DH+ Channel 1, 8-Pin222
- Wiring Connectors for DH+ Communication for SLC224
- Processors224
  - Minimizing Noise225
- Typical DH+ Network Configuration226
Setting up the DH+ Network221
Appendix E227
- Power Supply Loading227
- Blank Worksheet230
Power Supply Worksheet227
Appendix F Allen-Bradley Remote I/O Network231
- Remote I/O Passthru232
- Devicenet Network233
- Controlnet Network236
  - The 1747-SCNR Controlnet Scanner Module236
  - The 1747-KFC15 Controlnet Messaging Module236
- SLC 5/05 Processors and Ethernet Communication237
Appendix G238
- SLC 5/05 Performance Considerations238
- The Ethernet Network239
- Ethernet Connections240
- Configuring the Ethernet Channel on the SLC 5/05 Processor241
- Configuration Using Rslogix 500 Programming Software242
- Configuration Via BOOTP242
  - Use the Rockwell BOOTP Utility244
- Using DCHP Software to Configure Your Processor245
- Using Subnet Masks and Gateways246
  - Manually Configuring Channel 1 for Processors on Subnets247
- SLC 5/05 Processor Embedded Web Server Capability248
- Definition of Key Terms261
Appendix H Calculating Module Heat Dissipation261
- Calculated Watts Vs. Total Watts262
- Power Supply Loading Reference Table263
- Power Supply Heat Dissipation Graphs266
- Example Heat Dissipation Calculation267
- Example Worksheet268
- Blank Worksheet269
- Publication 1747-UM011G-EN-P - June270

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