Discrete Output Module Allen-Bradley 1746-OB8 SLC 500 8 Outputs

Product Overview

The Allen-Bradley 1746-OB8 is a digital DC output module. It belongs to the SLC 500 family. This module provides 8 source outputs. It handles high-current applications with ease. The voltage range is 10-50 Volts DC. Each output supports 1 amp at 30°C. The module uses a 24V DC signal output. It offers reliable performance in industrial settings. The 1746-OB8 is UL listed and CE compliant. It also carries CSA and C-Tick certifications. This module ensures robust and safe operation.

Application Scenarios

This module suits various industrial automation tasks. Use it for controlling solenoids and valves. It works well with motor starters and relays. The 1746-OB8 is ideal for high-current loads. It fits into SLC 500 chassis seamlessly. Common applications include packaging and material handling. It also works in conveyor systems and machine tools. The module operates in temperatures from 0-60°C. It handles humidity levels from 5 to 95 percent. This makes it suitable for harsh factory floors.

Technical Specifications

The module has a step response of 60 ms in. It has a 2.5 ms out response. Total heat dissipation is 6.9 W. Each output point dissipates 0.775 Watts. The backplane current is 135 mA at 5 Volts. Maximum off-state leakage is 1 mA. The on-state voltage drop is 1.2V at 1A. Surge current is 3A for 10 ms per point. Minimum load current is 1 mA. The module provides electro-optical insulation at 1500 V. Storage temperature ranges from -40 to 85°C.

Installation & Maintenance Guide

Install the 1746-OB8 into any SLC 500 chassis slot. Ensure the backplane power is off first. Align the module with the card guide. Press firmly until it locks in place. Connect field wiring to the terminal block. Use wire sizes appropriate for the current load. Secure all connections tightly. For maintenance, inspect the module regularly. Check for loose wires or damage. Keep the module clean and dry. Replace it if you see any fault indicators.

Packing List

Each order includes one Allen-Bradley 1746-OB8 module. It comes with a documentation sheet. No additional cables or software are included. The module is packed securely for shipping. We ship via FedEx, UPS, or DHL. Choose your preferred method at checkout.