Allen-Bradley | 1762-IF4 MicroLogix 4-Channel Analog Input Module

Overview

The Allen-Bradley 1762-IF4 is a 4-channel analog input module designed for the MicroLogix series PLCs. It provides reliable voltage and current signal conversion for precise analog data acquisition. The module supports both bipolar voltage and current ranges, ensuring accurate measurements for industrial control and monitoring applications.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model Number: 1762-IF4

• Product Type: MicroLogix 4-Point Analog Input Module

• Input Signal Type: Voltage or Current

• Voltage Range (Normal): -10 to +10 VDC

• Voltage Range (Full Scale): -10.5 to +10.5 VDC

• Current Range (Normal): 4 to 20 mA

• Current Range (Full Scale): -21 to +21 mA

• Resolution: 15 bits (bipolar)

• Repeatability: ±0.12%

• Isolation: 30V AC / 30V DC (reinforced, IEC Class 2)

• Type Test: 500V AC or 707V DC for 1 minute

• Bus Current Draw (Max): 40 mA @ 5V DC, 50 mA @ 24V DC

• Module Power LED: Indicates active power status

• Recommended Cable: Belden 8761 (shielded)

• Dimensions (H × W × D): 90 × 40.4 × 87 mm (3.54 × 1.59 × 3.43 in.)

• Shipping Weight: 235 g (8.28 oz)

• Enclosure Rating: IP20

• Temperature Code: T3C

• Pilot Duty Rating: Not rated

• Wiring Category: 2 – signal ports

• Factory Warranty: 12 months

Key Features

• High-Resolution Conversion: 15-bit bipolar resolution enables accurate analog data representation.

• Wide Signal Compatibility: Supports both voltage and current input types for flexible integration.

• Electrical Isolation: Reinforced insulation between input group and system for safety and reliability.

• Error Detection: Over- and under-range flags ensure system diagnostics for abnormal input conditions.

• Compact Design: Space-saving module ideal for dense control panel installations.

Applications

The 1762-IF4 is ideal for:

• Process control and signal monitoring

• Industrial data acquisition systems

• Energy management and automation panels

• Temperature or pressure transmitter input measurement

FAQ

Q1: What is the resolution of the 1762-IF4 module?
A1: The module provides a 15-bit bipolar resolution for precise signal conversion.

Q2: What type of signals can it process?
A2: It accepts both voltage (-10 to +10 VDC) and current (4 to 20 mA) inputs.

Q3: Does the module have input isolation?
A3: Yes, it provides 30V AC / 30V DC reinforced isolation between the input and system circuits.

Q4: What cable type is recommended for installation?
A4: Belden 8761 shielded cable is recommended for optimal signal integrity.