Allen-Bradley 1762-IF2OF2 MicroLogix 4-Channel Analog I/O Module

Overview

The Allen-Bradley 1762-IF2OF2 is a compact analog input/output module designed for the MicroLogix™ controller family. It provides two differential analog inputs and two single-ended analog outputs, making it suitable for precise analog signal processing and control in industrial automation systems.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model Number: 1762-IF2OF2

• Product Type: MicroLogix Analog Input/Output Module

• Number of Inputs: 2 differential (unipolar)

• A/D Converter Type: Successive approximation

• Analog Input Range: Voltage 0–10 V DC, Current 4–20 mA

• Common Mode Voltage Range: ±27 V

• Common Mode Rejection Ratio (CMRR): >55 dB at 50/60 Hz

• Number of Outputs: 2 single-ended (unipolar)

• D/A Converter Type: Resistor string

• Resistive Load on Current Output: 0–500 Ω (including wire resistance)

• Bus Current Draw (Max): 40 mA @ 5V DC, 105 mA @ 24V DC

• Dimensions (L × W × H): 8.7 × 4.04 × 9 cm

• Weight: 0.24 kg

• Power Supply: Via MicroLogix backplane bus

• Mounting: DIN rail or panel-mounted

• Isolation: Channel-to-system reinforced insulation

• Operating Temperature: 0°C to 55°C

Key Features

• Dual I/O Functionality: Combines both analog input and output in one module for space-efficient system design.

• High Conversion Accuracy: Successive approximation A/D converter ensures precise analog-to-digital conversion.

• Flexible Signal Support: Handles both voltage and current inputs/outputs for various control requirements.

• Noise Rejection: >55 dB CMRR minimizes electrical interference in signal transmission.

• Compact and Rugged Design: Optimized for industrial panels with limited space.

Applications

The 1762-IF2OF2 module is ideal for:

• Process control and monitoring

• Analog signal scaling and conditioning

• Temperature, pressure, and flow transmitter inputs

• Current and voltage control for actuators or drives

FAQ

Q1: How many analog channels does the 1762-IF2OF2 provide?
A1: It provides two differential analog inputs and two single-ended analog outputs.

Q2: What is the supported signal range?
A2: It accepts voltage signals from 0–10 V DC and current signals from 4–20 mA.

Q3: Does the module include electrical isolation?
A3: Yes, it provides reinforced isolation between I/O channels and the system backplane.

Q4: What is the typical load resistance for current output channels?
A4: The output can drive a resistive load of up to 500 Ω, including wire resistance.