1756-HSC Allen-Bradley

Series#: AllenBradley

Product Details

The 1756-HSC Allen-Bradley ControlLogix High-Speed Counter module delivers precise frequency measurement and control for demanding automation applications.
Supports up to 4 independent counter channels, each capable of handling incremental encoders, pulse trains, and frequency inputs up to 1 MHz.
Integrated with ControlLogix backplane for seamless data exchange and reduced wiring complexity in modular systems.
Features selectable input filters, gating, and latching functions to enhance noise immunity and signal integrity in industrial environments.
Configurable via RSLogix 5000 or Studio 5000 software for flexible setup of count modes, preset values, and rollover limits.
Rugged design rated for extended temperature range (-40°C to +70°C) and high vibration resistance, ideal for harsh factory floors.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The 1756-HSC Allen-Bradley High-Speed Counter module is a critical component for ControlLogix systems requiring precise position, velocity, and frequency tracking. Designed for high-speed applications such as packaging, material handling, and machine tool monitoring, this module accepts incremental encoder signals, pulse trains, and frequency inputs up to 1 MHz per channel. With four independent counter channels, it supports differential or single-ended inputs, allowing flexible integration with various sensors. The module communicates directly over the ControlLogix backplane, enabling real-time data sharing with the controller without additional wiring. Its robust filtering and gating options ensure reliable operation even in electrically noisy environments, while the wide operating temperature range makes it suitable for both indoor and outdoor installations. Below are the detailed technical specifications for the 1756-HSC module.

Specification	Details
Module Type	High-Speed Counter (HSC) for ControlLogix platform
Number of Channels	4 independent counter channels
Input Type	Differential (RS-422) or single-ended (5V/24V DC) selectable per channel
Maximum Input Frequency	1 MHz (differential), 500 kHz (single-ended)
Counter Modes	Up/Down, Quadrature (x1, x2, x4), Pulse/Direction, Frequency Measurement, Period Measurement
Input Voltage Range	5V DC (differential), 24V DC (single-ended)
Input Filtering	Programmable digital filters: 0.1 µs to 10 ms per channel
Gating & Latching	Software-selectable gate enable, latch on Z-mark, or external trigger
Preset & Rollover	Configurable preset values (0 to 2^31-1) and rollover limits (0 to 2^31-1)
Data Output	32-bit count value, frequency, period, and status via backplane
Backplane Interface	ControlLogix backplane (supports 1756 chassis)
Power Consumption	1.5 W typical (from backplane)
Isolation	Channel-to-backplane: 1500V DC; Channel-to-channel: None (shared ground)
Operating Temperature	-40°C to +70°C (-40°F to +158°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	5 g Standard Models 10-500 Hz (operating)
Shock Resistance	30 g peak (11 ms duration)
Weight	Approximately 0.3 kg (0.66 lb)
Dimensions (H x W x D)	144 mm x 35 mm x 105 mm (5.67 in x 1.38 in x 4.13 in)
Certifications	CE, UL, CSA, ATEX (Zone 2), IECEx
Software Compatibility	RSLogix 5000 v16+, Studio 5000 v24+, and ControlLogix firmware
Connector Type	Removable terminal block (RTB) with screw clamps
Wiring Distance	Up to 30 meters (100 ft) for differential signals; 10 meters (33 ft) for single-ended