Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 9)

Publication AG-UM008C-EN-P - February 2005
Table of Contents 5
Chapter 6
Configuring MicroLogix 1000
Controllers Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Installing the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Isolated Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Automatic Protocol Switching . . . . . . . . . . . . . . . . . . . . . . 6-4
Using Modems that Support DF1 Communication Protocols 6-5
Dial-up Phone Modems . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Leased-Line Modems . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Radio Modems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Line Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Modem Control Line Operation . . . . . . . . . . . . . . . . . . . . . 6-7
DF1 Full-Duplex Operation . . . . . . . . . . . . . . . . . . . . . 6-7
DF1 Half-Duplex Slave Operation. . . . . . . . . . . . . . . . . 6-7
DF1 Slave on a Multi-drop Link . . . . . . . . . . . . . . . . . . 6-8
Ownership Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Configuring a Slave Station . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Configuring RTS Send Delay and RTS Off Delay . . . . . . . . . 6-11
Configuring Poll Timeout . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Configuring a Point-to-Point Station . . . . . . . . . . . . . . . . . . 6-13
Messaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Polled Report-by-Exception . . . . . . . . . . . . . . . . . . . . . 6-15
Processor-to-Processor . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
Considerations When Configuring MSG Control Blocks . 6-16
Configuring MSG Block Message Timeout. . . . . . . . . . . 6-17
Example MSG Control Blocks . . . . . . . . . . . . . . . . . . . . 6-18
Chapter 7
Configuring Logix Controllers Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Installing the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Using Modems that Support DF1 Communication Protocols 7-3
Dial-up Phone Modems . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Leased-Line Modems . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Radio Modems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Line Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Configuring the Controller to Use the Serial Port . . . . . . . . 7-5
Modem Control Line Operation . . . . . . . . . . . . . . . . . . . . . 7-7
No Handshake Selected . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Full-Duplex Selected . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Half-Duplex Selected with Continuous Checked . . . . . . 7-7
Half-Duplex Selected with Continuous Carrier
Unchecked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Configuration Considerations for RTS Send and Off Delays . 7-8