The Allen-Bradley 1794-OV32 is a high-density discrete output module belonging to the FLEX I/O product family. It provides 32 sinking output channels designed for 24V DC operation, offering a compact and flexible solution for industrial control applications requiring high-density digital output control.

Features

• 32-point discrete output configuration with current sinking capability.
• Designed for integration within the Allen-Bradley FLEX I/O system, supporting modular expansion.
• Wide operating voltage range (10V to 31.2V DC) to accommodate various field device requirements.
• Integrated LED status indicators for real-time monitoring of each individual output channel.
• Group-isolated design to enhance system safety and fault isolation.
• DIN-rail mountable for efficient panel space utilization.

Applications

• Automotive assembly stations, including pneumatic valve control and clamping cylinders.
• Packaging and bottling lines for high-speed conveyor and sorting gate management.
• Material handling systems such as palletizers and automated storage and retrieval systems (AS/RS).
• Machine tool control for coolant pumps, interlocks, and positioning indicators.
• Industrial HVAC control skids for damper and fan actuation.

Technical Specifications

Installation Guidelines

• Keyswitch Setting: Ensure the keyswitch on the terminal base is set to position 2 to match the 1794-OV32 module type before installation.
• Mounting: Hook the terminal base onto a 35mm DIN rail. Align the module's alignment bar with the groove on the terminal base and press down firmly until the latching mechanism locks.
• Flexbus Connection: Ensure the Flexbus connector is fully engaged to the left to establish communication with the adjacent adapter or terminal base.
• Handling: Always handle modules with care, ensuring pins on the bottom are straight and free from debris.
• Power: While FLEX I/O supports removal and insertion under power (RIUP), ensure the system environment is safe before performing maintenance.

FAQ

What is the primary function of the 1794-OV32?

The 1794-OV32 is a 32-point digital output module used to interface a controller with field devices such as solenoids, relays, or indicators in a 24V DC sinking configuration.

Is this module compatible with standard FLEX I/O terminal bases?

Yes, it is designed to mount onto standard FLEX I/O terminal bases, which provide the wiring termination points for the field devices.

What does the sinking output configuration mean?

A sinking output switches the negative side (common) of the load to ground, meaning the load is connected between the positive supply and the module output.