Discrete Output Module Allen-Bradley 1756-OB32K ControlLogix

Product Overview

The Allen-Bradley 1756-OB32K is a high-density output module. It belongs to the ControlLogix family. This module provides 32 discrete output points. It operates on 12-24 Volts DC source. Each point can handle 0.5 Amps at 50 Celsius. The module supports 10-31.2 Volts DC range. It uses a removable terminal block. This design simplifies wiring and maintenance. The 1756-OB32K is ideal for large-scale automation. It ensures reliable signal control in demanding environments.

Application Scenarios

This module suits factory automation systems. It controls actuators, valves, and indicators. You can use it in assembly lines. It works well in packaging machinery. The module fits material handling systems. It is also common in process control. The 1756-OB32K handles high-speed switching tasks. It provides consistent performance in harsh conditions. Use it to drive DC loads directly. It reduces the need for external relays.

Technical Specifications

The 1756-OB32K has 32 sourcing outputs. Its voltage range is 10-31.2 Volts DC. Maximum current per point is 0.5 Amps at 50°C. At 60°C, it drops to 0.35 Amps. Total module current is 16 Amps at 50°C. At 60°C, it is 10 Amps. Power dissipation is 4.8 Watts at 60°C. Backplane current draw is 300 milliamps at 5 Volts. Isolation voltage is 50 Volts continuous. It supports terminal blocks 1756-TBCH and 1756-TBS6H. The module has no enclosure rating.

Installation & Maintenance Guide

Install the module in a ControlLogix chassis. Ensure the backplane connector is clean. Align the module carefully with the slot. Press firmly until it locks. Use the correct removable terminal block. Wire the outputs following the pin diagram. Torque screws to the specified value. Always power down before removing the module. Check for loose connections regularly. Keep the module free of dust. Replace the module if you see damage.

Packing List

1 x Allen-Bradley 1756-OB32K module. 1 x Removable terminal block (1756-TBCH or 1756-TBS6H). 1 x Product documentation sheet. The module is packed in an anti-static bag. It ships in a sturdy cardboard box. We ship via Fedex, UPS, or DHL.