Allen-Bradley 1746-NO4I

Allen-Bradley 1746-NO4I | SLC 500 4-Channel Isolated Analog Output Module for Precise Current Control

Overview

The Allen-Bradley 1746-NO4I is a high-performance analog output module from the SLC 500 series, designed to provide four isolated current output channels. Ideal for industrial automation systems requiring precise analog signal generation, this module supports 0–20 mA and 4–20 mA output ranges. It ensures noise immunity and signal integrity in demanding control environments.

Key Features

• Channel Count: 4 isolated current output channels

• Output Range: Selectable 0–20 mA or 4–20 mA

• Signal Isolation: Channel-to-channel and channel-to-backplane isolation

• Resolution: 12-bit digital resolution for each channel

• Status Indicators: LED indicators for module and channel status

• Compatibility: Works with SLC 500 chassis and controllers

• Reliable Design: Built for long-term industrial use

Technical Specifications

• Catalog Number: 1746-NO4I

• Module Type: Analog Output

• Channels: 4

• Output Signal: Current (0–20 mA / 4–20 mA)

• Resolution: 12 bits

• Isolation Voltage: 500V RMS (channel-to-channel and channel-to-backplane)

• Backplane Current (5V): 65 mA

• Backplane Current (24V): 185 mA

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Mounting: Standard SLC 500 chassis

• Certifications: UL, CE, CSA

Applications

• Analog signal control for actuators and valves

• Process control systems requiring current loop outputs

• Water and wastewater treatment

• HVAC systems and environmental monitoring

• Industrial automation for chemical and manufacturing plants

Why Choose the 1746-NO4I?

• Precise Analog Control: Accurate current output for critical applications

• Electrical Isolation: Prevents signal interference and enhances safety

• Seamless Integration: Fully compatible with SLC 500 platforms

• Robust Construction: Industrial-grade durability and performance

• Field-Proven Reliability: Trusted in demanding environments worldwide

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