Related Manuals for Allen-Bradley 1794-OE4 Series B
Summarization of Contents
Summary of Changes
New Information
Details new features, modules, and mapping for Flex I/O analog modules.
Revised Information
Manual updates include chapters for remote I/O and DeviceNet adapters, and range selection.
Using This Manual
Purpose of this Manual
Explains how to use FLEX I/O Analog modules with Allen-Bradley programmable controllers.
Audience and Manual Organization
Defines prerequisite knowledge and outlines the manual's chapter structure.
Overview of FLEX I/O and your Analog Modules
FLEX I/O System Overview
Introduces the FLEX I/O system components: adapter, terminal base, and I/O module.
Module Types and Communication
Describes analog modules and how they communicate with programmable controllers.
How to Install Your Analog Module
Pre-Installation Considerations
Covers prerequisites, directives, and power requirements before module installation.
Installation Procedures and Wiring
Step-by-step guide for mounting modules, terminal bases, and connecting wiring.
Module Indicators
Describes the status indicators on the analog modules and their meanings.
Module Programming
Block Transfer Programming
Explains bidirectional block transfer operations for module communication.
Sample Programs
Provides sample programs for PLC-3, PLC-5, and PLC-2 for module configuration and data handling.
Analog Data Format
Explains the 12-bit analog data format, left-justified in a 16-bit field with a sign bit.
Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter
Configuring Your Analog Module
Explains how to configure module features like range selection and safe state values.
Reading Module Data
Details reading data, mapping, and word/bit descriptions for analog modules.
How Communication Takes Place and I/O Image Table Mapping with the DeviceNet Adapter
DeviceNet Communication Overview
Covers DeviceNet Manager, I/O structure, and polled I/O.
Image Table Mapping
Details image table mapping for various FLEX I/O analog modules with DeviceNet adapter.
Module Defaults
Lists factory default settings and real-time sizes for analog modules.
Appendix A: Specifications
1794-IE8/B Analog Input Module Specifications
Provides detailed electrical and environmental specifications for the 1794-IE8/B module.
1794-OE4/B Analog Output Module Specifications
Lists detailed specifications for the 1794-OE4/B analog output module.
1794-IE4XOE2/B Combo Module Specifications
Provides detailed specifications for the 1794-IE4XOE2/B combo analog module.
Appendix C: Data Table Formats
Two's Complement Binary
Explains the two's complement binary representation used for data calculations.
Analog Data Format and Scaling
Describes the 12-bit analog data format and how to scale it.
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