Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual User Manual

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Introduction

Chapter 1

1Ć2

Chapter 10 – describes how to write a full–duplex line driver to enable

a computer to communicate to the 1775–KA’s RS–232–C channel.

Chapter 11 – describes how to write a half duplex line driver to enable

a computer to communicate to the 1775–KA’s RS–232–C channel.

Chapter 12 – describes the network and application layers of a software

driver to enable a computer to communicate to the 1775–KA’s
RS–232–C channel.

Appendix A – shows detailed message formats.
Appendix B – lists error codes reported by the 1775–KA, 1771–KA,

1771–KG, 1771– KE/KF, 1773–KA, and 1774–KA modules.

Appendix C – lists diagnostic counters stored at the 1775–KA,

1771–KA, 1771–KG, 1771–KE/KF, 1773–KA and 1774–KA modules.

Appendix D – gives detailed flow charts of an example of software

logic for implementing a full–duplex protocol.