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Allen-Bradley PLC-5 - Page 8

Allen-Bradley PLC-5
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Publication 1785-UM012D-EN-P - July 2005
Table of Contents 4
Monitoring General Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Estimating DH+ Link Performance. . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Size and Number of Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Message Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Internal Processing Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
Average DH+ Link Response Time Test Results . . . . . . . . . . . 9-16
Application Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Chapter 10
Communicating with Devices on a
Serial Link
Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Choosing Between RS-232C, RS-422A, and RS-423 . . . . . . . . . . . . 10-1
Configuring the Controller
Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Using Channel 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
User Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
System Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Master Station to Remote Station Communication Methods . . 10-4
Polling Inactive Priority Stations. . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Changing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Configuring Channel 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Configure Channel 0 for DF1 Point-to-Point . . . . . . . . . . . . . . 10-6
Configure Channel 0 as a Slave Station . . . . . . . . . . . . . . . . . . . 10-9
Configure Channel 0 as a Master Station . . . . . . . . . . . . . . . . . 10-12
Configure Channel 0 for User Mode (ASCII Protocol). . . . . . 10-18
Configure Channel 0 for a Communication Mode Change. . . 10-21
Monitoring Channel 0 Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
Using the System Mode Status Display . . . . . . . . . . . . . . . . . . 10-22
Using the User Mode (ASCII) Status Display . . . . . . . . . . . . . 10-24
Chapter 11
Communicating with Devices on
an Ethernet Network
Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Media and Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Assigning Your IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Network Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Configuring Channel 2 for Ethernet Communication . . . . . . . . . . . 11-2
Manually Configuring Channel 2 . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Using BOOTP to Enter Configuration Information. . . . . . . . . 11-5
Editing the BOOTPTAB Configuration File. . . . . . . . . . . . . . . 11-7
Using Advanced Ethernet Functions . . . . . . . . . . . . . . . . . . . . . . . . 11-9
Using Broadcast Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9
Using Subnet Masks and Gateways . . . . . . . . . . . . . . . . . . . . . 11-11
Manually Configuring Channel 2 for Controllers on Subnets. 11-12

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