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Home Product 1794-VHSC High-Speed Counter Module for Allen-Bradley Flex I/O, 500kHz Input, 32-Bit PLC-Compatible
1794 Flex I/O Module

1794-VHSC High-Speed Counter Module for Allen-Bradley Flex I/O, 500kHz Input, 32-Bit PLC-Compatible

1794-VHSC Module
Allen-Bradley VHSC
High-Speed Counter Module
1794-VHSC
The 1794-VHSC Module by Allen-Bradley VHSC enables high-speed counting and precise motion control for industrial automation systems with rapid input signal processing.
Categories:Automation
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Product Description

The Allen-Bradley VHSC 1794-VHSC Module is a High-Speed Counter Module designed for industrial automation applications, particularly in manufacturing, packaging, and material handling. This module features four independent high-speed input channels capable of processing frequencies up to 500 kHz, supporting quadrature encoding for precise motion control. It integrates directly with Rockwell’s Flex I/O system and includes two configurable pulse outputs for signal generation. Communication is enabled via DeviceNet or remote I/O networks. Operating within a 24V DC power range and a temperature range of 0–60°C, the 1794-VHSC excels in harsh environments. Its key advantages include real-time data accuracy, flexible configuration via RSLogix software, and robust noise immunity. However, setup complexity and dependency on compatible controllers may require technical expertise. Though lacking a built-in battery or display, it compensates with versatile input thresholds (5–24V) and adjustable detection ranges optimized for dynamic industrial sensors and encoders.
Parameter Specification
Module Designation 1794-VHSC High-Speed Counter Module
Manufacturer Series Allen-Bradley VHSC Series
Input Voltage Range 24V DC ±10%
Channel Configuration 4 Independent High-Speed Input Channels
Maximum Count Frequency 1 MHz (Differential Mode)
Input Signal Type Quadrature (A/B Phase), Up/Down, Pulse/Direction
Compatible Controllers Allen-Bradley PLC-5, SLC 500 via 1794 Backplane
Interconnection Method 1794 Flex I/O System Interface
Operating Temperature -20°C to +60°C
Storage Temperature -40°C to +85°C
Certifications cULus Listed, CE Compliant
Module Weight 230 grams
Enclosure Rating IP20 (Panel Mount)
Isolation Voltage 1500V AC (Input to Backplane)
question:Do you have a professional product selection engineering team?
answer:Yes, we have a dedicated team specializing in product research and selection.
question:Can your company provide technical selection services?
answer:We offer comprehensive technical consultation and product selection support.
question:Can I arrange official courier pickup for self-collection?
answer:Self-collection via authorized logistics partners is available upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you have a professional product selection engineering team?
answer:Yes, we have a dedicated team specializing in product research and selection.
question:Can your company provide technical selection services?
answer:We offer comprehensive technical consultation and product selection support.
question:Can I arrange official courier pickup for self-collection?
answer:Self-collection via authorized logistics partners is available upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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