Allen-Bradley | 1769-HSC | Compact I/O | High-Speed Counter Module

Product Description

The Allen-Bradley 1769-HSC is a Compact I/O high-speed counter module designed for use with CompactLogix controllers. It provides precise counting and control functions for quadrature encoder inputs, supporting both physical and virtual outputs. With reinforced isolation and fast response capability, it is suitable for demanding motion and position control applications.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: CompactLogix

• Part Number: 1769-HSC

• Product Type: High-Speed Counter Module

• Weight: 0.44 lbs (0.20 kg)

• Inputs: 2 quadrature (ABZ) differential inputs

• Outputs: 16 total (4 physical, 12 virtual)

• On-State Current: 1 A per point; 4 A per module

• Bus Current Draw:

• 425 mA @ 5.14 V DC

• 0 mA @ 24 V DC

• Backplane Current: 1.4 A @ 24 V DC

• Maximum Bus Current Draw: 5 mA @ 5 V DC

• Power Consumption: 33.6 W

• Power Dissipation: 7.5 W

• Isolation Voltage: 75 V continuous, reinforced insulation; type tested at 1200 V AC for 2 s

• Recommended Cable: Individually shielded twisted-pair (or per encoder/sensor manufacturer)

• Wire Size:

• Solid copper: 22–14 AWG (0.32–2.1 mm²)

• Stranded copper: 22–16 AWG (0.32–1.3 mm²), 90 °C insulation max

• Series: A and B

• Enclosure Type: Open

• Operating Temperature: 0–60 °C

• Power Supply Distance Rating: Module must be within four slots of a system power supply

Features

• High-speed counting for quadrature encoder inputs

• Multiple physical and virtual outputs for flexible control

• Reinforced isolation for safety and reliability

• Compact design for integration into CompactLogix systems

• Supports motion and position control applications

Application Scenarios

• Motion Control: Encoder-based position tracking and speed monitoring

• Packaging Machinery: High-speed counting for product handling systems

• Material Handling: Reliable control of conveyor and sorting systems

• Automation Systems: Integration into CompactLogix platforms for distributed control

FAQ

• Q: How many inputs does the 1769-HSC support?  A: Two quadrature differential inputs.

• Q: How many outputs are available?  A: 16 total, including 4 physical and 12 virtual outputs.

• Q: What isolation voltage is provided?  A: 75 V continuous, tested at 1200 V AC for 2 seconds.

• Q: What is the maximum power dissipation?  A: 7.5 W.

• Q: How does this compare to the 1769-HSC2?  A: The 1769-HSC supports two quadrature inputs, while the 1769-HSC2 offers expanded input capability for more complex applications.