Allen-Bradley 1746-IO12DC Combination I/O Module

The Allen-Bradley 1746-IO12DC combines inputs and outputs in one compact module. This versatile unit provides six DC inputs and six relay outputs. It saves space in your SLC 500 control system while maintaining full functionality.

Technical Specifications

• Brand: Allen-Bradley
• Model: 1746-IO12DC
• Series: SLC 500
• Module Type: Digital Combination I/O
• DC Input Channels: 6 points
• Relay Output Channels: 6 points
• Input Voltage: 10-30V DC
• Output Voltage: 5-265V AC / 5-125V DC
• Output Current: 1.5A AC / 1.2A DC
• Signal Delay: 8 milliseconds typical
• Backplane Current: 60-80mA
• Power Dissipation: 3.9W maximum
• Operating Temperature: 0 to 60°C
• Contact Type: Normally open relays
• Isolation: 1500V AC tested

Key Features

• Six 24V DC sinking inputs
• Six relay contact outputs
• Mixed voltage operation capability
• LED status indicators for all points
• Compact single-slot design
• Removable terminal blocks
• Short-circuit and overload protection

Installation Guide

• Install in any SLC 500 chassis slot except slot 0
• Use proper wire sizes for current ratings
• Follow voltage separation guidelines
• Check all LED indicators after power-up
• Maintain proper clearance for heat dissipation

Package Contents

• One 1746-IO12DC combination module
• Installation instructions
• Product specification sheet

Shipping & Delivery

• Fast worldwide shipping via FedEx, UPS, DHL
• Professional packaging protection
• Real-time order tracking
• Quick dispatch from inventory

Warranty Protection

• 12-month comprehensive warranty
• Quality performance guarantee
• Technical support included

Frequently Asked Questions

What types of loads can the outputs control?

• The relay outputs handle both AC and DC loads.
• They work with motors, solenoids, and contactors.

Can I use different voltages on the outputs?

• Yes, each output can switch different voltages.
• The relays provide complete voltage isolation.

What input devices are compatible?

• The DC inputs work with sensors and switches.
• They accept 10-30V DC signals from field devices.

How many common groups are there?

• The six outputs share one common connection.
• The six inputs also share one common point.

What is the maximum switching frequency?

• The relays handle typical industrial duty cycles.
• Consider mechanical life for high-frequency applications.

Download Documentation

• Access complete technical specifications for the 1746-IO12DC.
• Download the installation manual here for detailed guidance.

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