Allen-Bradley SLC 500 1746-OB8 8-Point Digital DC Output Module

Product Description

Allen-Bradley SLC 500 Output Module – Model: 1746-OB8  The 1746-OB8 is a digital DC output module designed for the Allen-Bradley SLC 500 series. It provides eight sourcing outputs with a wide voltage range and high current capacity, making it suitable for demanding control applications. Compact and reliable, this module integrates seamlessly into SLC 500 racks and supports high-current switching with fast response times.

Technical Specifications

• Brand: Allen-Bradley

• Product Line: SLC 500

• Model: 1746-OB8

• Type: Digital DC Output Module

• Voltage Range: 10–50 VDC (sourcing)

• Number of Outputs: 8 channels

• Current per Output: 1 A or 0.5 A depending on configuration

• Current per Module: 8 A or 4 A maximum

• Backplane Current Draw (5 VDC): 135 mA

• Step Response: 60 ms input, 2.5 ms output

• Weight: 0.50 lbs (0.23 kg)

Application Scenarios

• High-current machine control systems

• Distributed automation requiring compact DC output modules

• Industrial processes with fast switching requirements

• SLC 500 rack-mounted PLC configurations

FAQ

Q: How many outputs does the 1746-OB8 provide?  A: It provides eight sourcing DC output channels.

Q: What is the maximum current per channel?  A: Each channel supports up to 1 A, depending on configuration.

Q: What is the typical step response time?  A: 60 ms input and 2.5 ms output.