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Allen-Bradley MicroLogix 1762-IF4 User Manual

Allen-Bradley MicroLogix 1762-IF4
23 pages
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Installation Instructions
MicroLogix 1762-IF4 Analog Input Module
Catalog Number 1762-IF4
Table of Contents
Topic Page
Important User Information 2
North American Hazardous Location Approval 4
Additional Resources 5
Overview 6
Module Description 7
Mount the Module 8
Field Wiring Connections 11
Input Type Selection 12
Wiring the Finger-Safe Terminal Block 15
Wire Size and Terminal Screw Torque 15
Specifications 20
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Allen-Bradley MicroLogix 1762-IF4 Specifications

General IconGeneral
Input Channels4
Input Impedance Current250 Ω
Power Supply Voltage24V DC
Input Voltage Range0-10V DC
Input Current Range0…20mA, 4…20mA
Operating Temperature0°C to 55°C
Storage Temperature-40°C to 85°C (-40°F to 185°F)
Dimensions (H x W x D)90 mm x 40 mm x 87 mm
Common Mode Rejection60 dB at 50…60 Hz
Accuracy±0.1% of full scale
Repeatability±0.05% of full scale
Isolation Voltage240V AC
Relative Humidity5…95% noncondensing
Enclosure Type RatingNone (open-style)
CompatibilityMicroLogix 1200

Summary

User Information and Safety

Environmental Considerations

Preventing Electrostatic Discharge

Precautions and steps to prevent electrostatic discharge (ESD) damage to sensitive electronic components.

Hazardous Location Approval

Additional Resources

Overview

Module Description

Mount the Module

Module Spacing and DIN Rail Mounting

Guidelines for module spacing for ventilation and procedures for mounting on DIN rails.

Panel Mounting and System Assembly

Instructions for panel mounting the module and connecting it within a system using ribbon cables.

Field Wiring Connections

Grounding the Module

Instructions for properly grounding the module to mitigate electrical noise and ensure safety.

Input Type Selection and Wiring

Input Type Selection

Guidance on selecting input type (current/voltage) via module switches and configuration data.

Input Wiring and Terminal Block Layout

Basic wiring diagrams and terminal block layout for analog input connections.

Sensor Transmitter Wiring

Differential Sensor Transmitter Types

Wiring methods for differential sensor transmitters, including shield grounding recommendations.

Sensor/Transmitter Wiring Configurations

2, 3, and 4-Wire Transmitter Types

Wiring diagrams for connecting 2-wire, 3-wire, and 4-wire sensor transmitters to the module.

Terminal Block Wiring and Torque

Wiring the Finger-Safe Terminal Block

Procedure for wiring the finger-safe terminal block, including wire routing and screw tightening.

Wire Size and Terminal Screw Torque

Specifications for wire size compatibility and recommended torque values for terminal screws.

Configuration and Addressing

Labeling the Terminals

Instructions for labeling module terminals with identification for clarity and organization.

1762 Expansion I/O Addressing

Explanation of the addressing scheme used for 1762 Expansion I/O modules in a system.

Input Data File Structure

Details on the input data file structure for storing and configuring analog input values.

Configuration Data File Details

Bit Definitions for Analog Inputs

Definition of bits within the data file, including status, range flags, and format indicators.

Configuration Data File Tables

Tables outlining data format, range selection, and filter settings for analog input configuration.

Data Format and Filtering Options

Data Format and Type/Range Selection

Guidance on selecting data format and input type/range parameters for analog signals.

Filter Select Options

Information on available filter settings for signal conditioning, including frequency and attenuation.

Error Codes

Specifications

Input Specifications

Technical specifications for the analog input channels, including range, accuracy, and impedance.

General Specifications

General technical attributes of the module, such as dimensions, weight, power, and enclosure ratings.

Environmental Specifications

Environmental operating and storage conditions, vibration, shock, emissions, and immunity ratings.

Certifications

List of product certifications and compliance standards, including c-UL-us, CE, C-Tick, and KC.

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