ALLEN BRADLEY 1747-L551 PLC Processor

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F–8 Calculating Heat Dissipation for the SLC 500 Control System Worksheet for Calculating Heat Dissipation Prodecure Chassis 1 Chassis 2 Chassis 3 1. Calculate the heat dissipation for each chassis without the power supply. A . Write in the watts (calculated watts or total watts, see page F–2) dissipated by the processor, I/O and specialty modules, and any peripheral devices attached to the processor. Then, for each chassis, add these values together. Chassis 1 Chassis 2 Chassis 3 Catalog Number Heat Dissipation Catalog Number Heat Dissipation Slot 0 1 2 3 4 5 6 7 8 9 10 11 12 peripheral TOTAL B . Place the heat dissipation for each chassis into the appropriate columns. 2. Calculate the heat dissipation for each power supply. Catalog Number Heat Dissipation A . Calculate the power supply loading for each chassis: write in the minimum watts for each device (see page F–2) and then, for each chassis, add these values together. Important: If you have a device connected to user power, multiply 24V by the current used. Include user power in the total power supply loading. Chassis 1 Chassis 2 Chassis 3 Catalog Number Min. Heat Dissipation Catalog Number Min. Heat Dissipation Catalog Number Min. Heat Dissipation Slot 0 1 2 3 4 5 6 7 8 9 10 11 12 user power peripheral TOTAL B . Use the power supply loading for each chassis and the graphs on page F–5 to determine the power supply dissipation. Place the power supply dissipations into the appropriate columns. 3. Add the chassis dissipation to the power supply dissipation. 4. Add across the columns for the total heat dissipation of your SLC 500 controller. TOTAL (Watts) 5. Convert to BTUs/hr. Multiply the total heat dissipation of your SLC 500 controller by 3.414. TOTAL (BtUs/hour) Publication 1747-6.2
This appendix: • describes SLC 5/05 processors and Ethernet communication • describes SLC 5/05 performance considerations • describes Ethernet network connections and media • explains how the SLC 5/05 establishes node connections • lists Ethernet configuration parameters and procedures • describes configuration for subnet masks and gateways SLC 5/05 Processors and Ethernet Communication Ethernet is a local area network that provides communication between various devices at 10 Mbps. The physical communication media options for the SLC 5/05 are: • built-in – twisted pair (10Base-T) • with media converters or hubs – fiber optic – broadband – thick-wire coaxial cable (10Base-5) – thin-wire coaxial cable (10Base-2) See page G–2 for more information on Ethernet physical media. The SLC 5/05 supports Ethernet communication via the Ethernet communication channel 1 shown in the drawing below. SLC 5/05 CPU RUN FLT FORCE ENET BATT RS232 RUN REM PROG Channel 1 Ethernet (10Base-T) Channel 0 RS232 (DH485, DF1, or ASCII) Publication 1747-6.2
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Allen-Bradley SLC 500 Modular Hardw
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The information below summarizes th
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iv Table of Contents DH-485 Interfa
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vi Table of Contents Recommendation
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viii Table of Contents Connecting t
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x Table of Contents Calculating Hea
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P-2 Preface How to Use this Manual
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P-4 Preface Conventions Used in thi
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1-2 Quick Start for Experienced Use
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2-2 Selecting Your Hardware Compone
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2-10 Selecting Your Hardware Compon
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3-2 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
Page 163 and 164: Setting Up the DH-485 Network A-5 E
Page 165 and 166: Setting Up the DH-485 Network A-7 I
Page 167 and 168: Setting Up the DH-485 Network A-9 T
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Page 175 and 176: This appendix provides an overview
Page 177 and 178: RS-232 Communication Interface B-3
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Page 197 and 198: Setting Up the DH+ Network C-3 Wiri
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Page 201 and 202: Control Networks D-3 DeviceNet Netw
Page 203 and 204: - Use this Table to Calculate the
Page 205 and 206: Power Supply Worksheet E-3 Hardware
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Page 209 and 210: Calculating Heat Dissipation for th
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Page 217 and 218: Communicating with Devices on an Et
Page 229 and 230: You can find the following terms us
Page 231 and 232: Glossary GL-3 Initiator — A node
Page 233 and 234: Glossary GL-5 Signal Delay — For
Page 235 and 236: I-2 Index hardware features, 5-2, 6
Page 237 and 238: I-4 Index DH-485 Communication Inte
Page 239 and 240: I-6 Index keyswitch positions for t
Page 241 and 242: I-8 Index Publication 1747-6.2 Q Qu
Page 243 and 244: I-10 Index T testing inputs, 8-5 ou
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ALLEN BRADLEY 1747-L551 PLC Processor

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