1756-HSC | Allen-Bradley | ControlLogix | High Speed Counter Module

Product Description

The Allen-Bradley 1756-HSC ControlLogix High Speed Counter Module is designed for applications requiring precise counting, rate measurement, and encoder functionality. With multiple input modes and high-frequency signal support, it provides reliable performance in demanding automation environments.

Technical Specifications

• Manufacturer: Allen-Bradley

• Category: PLCs

• Product Line: ControlLogix

• Part Number: 1756-HSC

• UPC: 612598186280

• Weight: 0.50 lbs (0.23 kg)

• Module Type: High Speed Counter Module

• Inputs: 3 per counter

• Outputs: 4-point

• Signal Frequencies:

• 1 MHz in counter modes (A input)

• 500 kHz in rate measurement mode (A input)

• 250 kHz in encoder mode (A/B inputs, X1 or X4)

• 50 Hz with debounce filter enabled

• Operation Modes: Counter, Rate Measurement, Encoder, Debounce Filter

• Backplane Current (5 V): 300 mA

• Backplane Current (24 V): 3 mA

• Power Dissipation (Max): 5.6 W at 60 °C

• Count Range: 0–16,214,777

• Removable Terminal Blocks: 1756-TBCH, 1756-TBS6H

• Location: Chassis (any slot)

• Slot Width: 1

Application Scenarios

• High-Speed Counting: Suitable for applications requiring precise pulse counting and frequency measurement

• Encoder Feedback: Provides accurate position tracking in motion control systems

• Rate Measurement: Enables monitoring of process speeds in manufacturing environments

• Filtering: Debounce filter mode ensures reliable input signal handling in noisy environments

FAQ

• Q: What is the maximum input frequency supported?  A: The 1756-HSC supports up to 1 MHz in counter mode.

• Q: Which terminal blocks are compatible with this module?  A: It is compatible with 1756-TBCH and 1756-TBS6H removable terminal blocks.

• Q: Can this module be installed in any chassis slot?  A: Yes, it can be placed in any available slot within a ControlLogix chassis.

• Q: How does this module compare to standard input modules?  A: Unlike standard input modules, the 1756-HSC is optimized for high-frequency signals and supports multiple counting and measurement modes.