ALLEN BRADLEY 1747-L551 PLC Processor

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G–14 Communicating with Devices on an Ethernet Network The BOOTPTAB files that correspond to this example looks like: # Legend: gw –– gateways # ha –– hardware address # ht –– hardware type # ip –– host IP address # sm –– subnet mask # vm –– BOOTP vendor extensions format # tc –– template host #Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0 #Entries for SLC 5/05 processors: iota1:\ tc=defaults5E:\ gw=130.151.194.1:\ ha=0000BC1D1234:/ ip=130.151.194.19 # Legend: gw –– gateways # ha –– hardware address # ht –– hardware type # ip –– host IP address # sm –– subnet mask # vm –– BOOTP vendor extensions format # tc –– template host #Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0 #Entries for SLC 5/05 processors: iota2:\ tc=defaults5E:\ gw=130.151.132.1:\ ha=0000BC1D5678:/ ip=130.151.132.110 # Legend: gw –– gateways # ha –– hardware address # ht –– hardware type # ip –– host IP address # sm –– subnet mask # vm –– BOOTP vendor extensions format # tc –– template host #Default string for each type of Ethernet client defaults5E: ht=1:vm=rfc1048:sm=255.255.255.0 #Entries for SLC 5/05 processors: iota3:\ tc=defaults5E:\ gw=130.151.138.1:\ ha=0000BC1D9012:/ ip=130.151.138.123 Publication <strong>1747</strong>-6.2
You can find the following terms used throughout this manual. Auto Answer — Type of modem that has self-contained timeouts and tests. They can answer and hang the phone up automatically. Backplane Current Draw — The amount of current the module requires from the backplane. The sum of the backplane current draw for all modules in a chassis is used to select the appropriate chassis power supply. Baud Rate — The speed of communication between devices on a network. All devices must communicate at the same baud rate. For example, the DH-485 network devices default to 19,200 baud. Calculated Watts — The amount of heat generated by those points energized on an I/O module. Channel — Communication port on a module. Chassis — A hardware assembly that houses devices such as I/O modules, adapter modules, processor modules, and power supplies. Continuous Current Per Module — The maximum current for each module. The sum of the output current for each point should not exceed this value. Continuous Current Per Point — The maximum current each output is designed to continuously supply to a load. CPU — Central Processing Unit or processor. DF1 protocol — A peer-to-peer link-layer protocol that combines features of ANSI X3.28-1976 specification subcategories D1 (data transparency) and F1 (two-way simultaneous transmission with embedded responses). Direct Connect — type of modem that is connected to a dedicated, leased phone line and is active at all times. DH+ — Data Highway Plus implements peer-to-peer communication with a token-passing scheme to rotate link mastership among the nodes connected to that link. Data Highway Plus has the capability for online programming and is optimized for networks with fewer nodes (Data Highway Plus supports up to 64 nodes). Publication <strong>1747</strong>-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
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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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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
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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
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Page 231 and 232: Glossary GL-3 Initiator — A node
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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
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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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