• Allen-Bradley 1746-OV8
  • Allen-Bradley 1746-OV8
  • Allen-Bradley 1746-OV8
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Allen-Bradley 1746-OV8 SLC 500 8-Channel Digital DC Sinking Output Module

Allen-Bradley 1746-OV8 SLC 500 8-Channel Digital DC Sinking Output Module

Description

The Allen-Bradley 1746-OV8 is a high-performance discrete DC output module designed for the SLC 500 programmable logic controller system. This module features eight (8) sinking outputs, providing a reliable interface...

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SKU: 1746-OV8
Vendor: Allen-Bradley
Category: Digital Output Module
Related Series:

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Description

The Allen-Bradley 1746-OV8 is a high-performance discrete DC output module designed for the SLC 500 programmable logic controller system. This module features eight (8) sinking outputs, providing a reliable interface for controlling 24V to 48V DC field devices. As a sinking output module, it is engineered to control the negative side of the load circuit, effectively connecting the load to the DC common when the output is energized.

Features

  • Eight (8) sinking output channels grouped together.
  • Designed for high-current applications within the SLC 500 platform.
  • Rapid response times with an ON-signal delay of 0.1 ms and an OFF-signal delay of 1.0 ms.
  • Wide operating voltage range of 10V to 50V DC.
  • Robust design suitable for demanding industrial environments.

Applications

The 1746-OV8 is ideal for high-speed switching tasks in industrial automation, including solenoid control, relay actuation, and driving DC-powered indicators or actuators within an SLC 500 control architecture.

Technical Specifications

Brand Allen-Bradley
Product Line SLC 500
Module Type Digital DC Output (Sinking)
Number of Outputs 8 (1 Group)
Voltage Range 10–50V DC
Backplane Current (5V DC) 135 mA
Backplane Current (24V DC) 0 mA
On-Signal Delay 0.1 ms (max resistive load)
Off-Signal Delay 1.0 ms (max resistive load)
Operating Temperature 0 to 60 degC (32 to 140 degF)
Storage Temperature -40 to 85 degC (-40 to 185 degF)
Relative Humidity 5% to 95% (non-condensing)

Installation Guidelines

  • Ensure the SLC 500 chassis power is disconnected before installing or removing the module to prevent electrical damage.
  • Verify that the module is fully seated in the chassis slot and secured with the top and bottom retaining screws.
  • Use appropriate shielded cabling for field wiring to minimize electromagnetic interference (EMI).
  • Ensure that the load current does not exceed the specified limits for the module channels.
  • Maintain proper ventilation within the control cabinet to keep the ambient temperature within the 0 to 60 degC range.
  • Handle the module using proper ESD (Electrostatic Discharge) prevention techniques.

Compliance and Certifications

The 1746-OV8 is certified for use in hazardous locations, meeting Class I, Division 2 standards for Groups A, B, C, and D. It also complies with UL, C-UL, CE, and C-Tick international safety and quality standards.

FAQ

Is the 1746-OV8 compatible with all SLC 500 chassis?

Yes, the 1746-OV8 is designed to be compatible with standard SLC 500 modular chassis systems. Please ensure your power supply has sufficient capacity to handle the 135 mA backplane current requirement.

Does this module require external power for the outputs?

Yes, as a sinking output module, you must provide an external DC power supply within the 10-50V range to power the field devices connected to the outputs.