SLC 500 | Allen-Bradley | 1746-OBP16 SER. C 20.4-26.4VDC 6.4A (NO DOOR) UNMP

Product Description: Allen-Bradley 1746-OBP16

The Allen-Bradley 1746-OBP16 is a 16-point DC sourcing (positive logic) digital output module designed for the SLC 500 series programmable logic controllers. It delivers high-current 24V DC output signals and features integrated fuse protection with blown fuse diagnostics. This module is ideal for industrial applications requiring reliable and protected control of both resistive and inductive DC loads.

Key Features

• 16 sourcing DC output channels
• Operating voltage range: 20.4 to 26.4V DC
• Continuous current per output: 1.5 A at 30°C, 1.0 A at 60°C
• Maximum total current per module: 6.4 A
• Surge current per output: 4.0 A for 10 ms
• Integrated fuse protection on each point
• Blown fuse indication via front panel LEDs
• Jumper-selectable CPU notification for fuse failure
• Fast turn-off for inductive load protection
• Removable terminal block for simplified wiring

Technical Specifications

• Output Type: Solid- state sourcing (positive logic)
• Number of Outputs: 16
• Output Voltage: 24V DC nominal
• Output Voltage Range: 20.4–26.4V DC
• Current per Output: 1.5 A (at 30°C), 1.0 A (at 60°C)
• Surge Current: 4 A for 10 milliseconds
• Backplane Current: 0.25 A at 5V DC
• Off-State Leakage Current: ≤ 1 mA
• On- State Voltage Drop: ≤ 1.0V at 1.0 A
• Signal Delay: On = 0.1 ms, Off = 1.0 ms
• Operating Temperature: 0 to 60°C
• Storage Temperature: -40 to 85°C
• Relative Humidity: 5% to 95%, non-condensing
• Certifications: UL, CE, CSA, Class I Division 2

Application Areas

• Factory automation
• Material handling systems
• Packaging and labeling machines
• Control panels in industrial environments
• Systems requiring fused DC outputs

Advantages

• High-current outputs suitable for heavy-duty loads
• Built- in fuse protection improves system safety
• Diagnostic features reduce troubleshooting time
• Reliable performance in harsh industrial environments
• Easy to install and service within SLC 500 chassis