Allen Bradley 1756-OB32 SER A

Allen-Bradley 1756-OB32 SER A ControlLogix 32-Point 12/24V DC Digital Output Module

The Allen-Bradley 1756-OB32 SER A is a high-density digital output module designed for the ControlLogix platform, offering 32 sourcing output points to efficiently manage a wide range of industrial automation applications.

Key Features

• Output Configuration: 32 sourcing output points, organized into two groups of 16, facilitating streamlined wiring and system organization.
• Voltage and Current Ratings: Operates within a voltage range of 10 to 31.2V DC, with each point capable of delivering up to 0.5A at 50°C, ensuring robust performance across various industrial environments.
• Backplane Power Consumption: Draws 300 mA at 5.1V DC and 2 mA at 24V DC, contributing to efficient energy usage within the control system.
• Thermal Management: Exhibits a thermal dissipation of 16.37 BTU/hr, maintaining optimal operating temperatures during extended use.
• Response Time: Features swift response times with an off-to-on delay of 60 µs (nominal) and an on-to-off delay of 200 µs (nominal), ensuring timely signal processing.
• Environmental Resilience: Designed to operate within a temperature range of 0°C to 60°C and withstand relative humidity levels from 5% to 95% (non-condensing), making it suitable for diverse industrial settings.
• Certifications: Complies with international standards, including CE and ATEX certifications, affirming its reliability and safety in industrial applications.

Applications

The 1756-OB32 SER A module is ideal for controlling various output devices such as pilot lamps, relays, contactors, panel annunciators, solenoids, buzzers, sirens, and horns. Its high-density design is particularly beneficial in systems requiring numerous outputs within limited installation space, making it a versatile component in complex automation systems.

Installation and Compatibility

This module occupies a single slot in the ControlLogix chassis and is compatible with all ControlLogix processors, including the latest versions. It supports installation in both local and remote chassis configurations, offering flexibility in system design. Additionally, the module features 32 LED indicators for real-time monitoring of channel statuses, enhancing troubleshooting and maintenance efficiency.

For optimal performance, the 1756-OB32 SER A requires a Removable Terminal Block (RTB) for wiring connections, ensuring secure and reliable integration into your control system.