DL205 and DL305 Data Communications Module

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Click the link above to view the complete manual. The file size for the complete manual is 2.45 MB. Individual chapters and appendices may be downloaded below.

Manual Contents
PDF Document Table of Contents
PDF Document Revision History
PDF Document Important Safety Information

Chapter 1 PDF Document Introduction
tells you about the Data Communication Module and its uses. It lists other manuals you may need and tells you how to get additional technical assistance, if necessary.
Chapter 2 PDF Document Build the Cable
guides you through building the necessary communication cable, covering physical and electrical specifications.
Chapter 3 PDF Document Set the DCM Switches
guides you through the setup of the rotary and DIP switches to select communication parameters and network addressing. It shows the proper method of inserting the module into the base.
Chapter 4 PDF Document Install the DCM and Start the Network
tells you what to consider when laying out your network cable and how to terminate the individual conductors at the networked devices. It gives you specific cabling examples, showing pinouts for each device.
Chapter 5 PDF Document Verify and Troubleshoot
introduces the use of the DCM's status indicator lights as a diagnostic tool. It gives you status indicator light patterns to help you identify problems that could be preventing communications.

Appendix A PDF Document Cable Diagrams
gives pinouts and cable options.
Appendix B PDF Document RLL Communications Programs
provides helpful examples of Ladder Logic programs for DCM communications.
Appendix C PDF Document Using the DCM with MODBUS
describes the methods for communicating using the popular MODBUS RTU protocol.
Appendix D PDF Document Using the DCM with Modems
explains communications using telephone, radio or fiber optic modems.