Unitronics Vision 120 OPLC User Manual page 5

Preface
This guide contains essential information for Vision120 OPLC™ users.
Warnings and Safety Guidelines
Read this section carefully before installing and operating the device.
Chapter 1: Overview
Contains a general description of the device's features and functions.
Chapter 2: Mounting
Describes mounting considerations and procedures.
Chapter 3: Power Supply
Explains wiring procedures and considerations.
Chapter 4: I/Os
Presents information regarding on-board I/Os and I/O expansion modules.
Chapter 5: Communications
Contains program download instructions as well as information on serial communications
and CANbus networking, including wiring.
Chapter 6: Information Mode
Describes how to use Information Mode to view runtime values, set timer values, reset and
initialize the controller and check I/O module status.
Appendix A: System Data Types
Contains tables showing internal system elements.
Appendix B: New PLC Users
Provides information for new PLC users.
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