Allen-Bradley 1794-PS1 FLEX I/O Power Supply Module

Description

The Allen-Bradley 1794-PS1 is a dedicated power supply module designed for use within the FLEX I/O system. This module provides the necessary DC power to support FLEX I/O communication adapters and I/O modules when the system requirements exceed the capacity of the adapter's internal power supply or when isolation is required. Note that this specific model has been discontinued by the manufacturer.

Features

• Designed specifically for the Allen-Bradley FLEX I/O platform.
• Supports universal AC input voltage ranges for global industrial compatibility.
• Provides a stable 24VDC output for system components.
• Compact footprint suitable for standard DIN-rail mounting within control cabinets.

Technical Specifications

Installation Guidelines

• Ensure the power supply is installed in a clean, dry environment within an appropriate industrial enclosure.
• Mount the module on a standard 35mm DIN rail.
• Verify that the input voltage matches the module specifications before applying power.
• Maintain adequate clearance around the module to ensure proper ventilation and heat dissipation.
• Always disconnect all power sources before installing, removing, or wiring the module to prevent electrical shock or equipment damage.
• Use appropriate shielded cabling for I/O connections to minimize electromagnetic interference (EMI).

FAQ

Is the 1794-PS1 still in production?

No, the 1794-PS1 has been discontinued by Allen-Bradley. We provide tested, reliable surplus units to support legacy systems.

What is the primary function of this module?

The 1794-PS1 acts as a power supply for the FLEX I/O backplane, ensuring that connected I/O modules receive consistent 24VDC power for reliable operation.