Discrete Output Module Allen-Bradley 1746-OA8 SLC 500 8-Point

Product Overview

The Allen-Bradley 1746-OA8 is a discrete AC output module. It belongs to the SLC 500 series. This module provides eight outputs. It operates at 120 or 240 VAC. The voltage range is 85-264 VAC. Each output handles 1.00 A at 30 °C. At 60 °C, each output handles 0.5 A. The module consumes 185 mA from the backplane. It offers fast response times. The ON delay is 1 ms. The OFF delay is 11 ms. This module suits general-purpose applications. It is a reliable choice for industrial automation.

Application Scenarios

This module controls AC loads. Use it for motors, solenoids, and lamps. It works in manufacturing plants. It fits in packaging systems. Use it in material handling. It controls conveyor belts. It manages heating elements. It operates valves and relays. The 1746-OA8 works in harsh environments. It handles high surge currents. Each point can take 10 A for 25 ms. This makes it robust for industrial use. It integrates easily into SLC 500 racks.

Technical Specifications

The 1746-OA8 has two groups. Each group has four channels. The nominal output voltage is 120/240 VAC. The output voltage range is 85-264 VAC. Backplane current consumption is 185 mA. The ON signal delay is 1 ms. The OFF signal delay is 11 ms. Continuous current per point is 1.00 A at 30 °C. It drops to 0.5 A at 60 °C. Continuous current per module is 8.0 A at 30 °C. It drops to 4.0 A at 60 °C. On-state voltage drop is 1.5 V at 1.0 A. Surge current per point is 10 A for 25 ms. Step response is 60 ms in and 2.5 ms out.

Installation & Maintenance Guide

Install the module in a SLC 500 chassis. Ensure the backplane is powered off. Slide the module into the slot. Secure it with the locking screws. Connect wiring to the terminal block. Use proper wire gauges. Follow local electrical codes. Check voltage ratings before powering. For maintenance, inspect connections regularly. Clean the module with a dry cloth. Do not use solvents. Replace the module if damaged. Always use proper ESD protection.

Packing List

One Allen-Bradley 1746-OA8 discrete output module. One installation guide. No additional accessories included. The module is packed in an anti-static bag. It ships in a sturdy box. Shipping methods include Fedex, UPS, and DHL.