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Description:1794-VHSC — high-speed counter I/O module for Allen-Bradley FLEX I/O systems, enabling precise pulse counting, encoder signal processing, and high-frequency motion measurement up to very high input speeds.
Product condition: New
Packing condition:Factory Packing
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| Manufacturer | Allen-Bradley |
| Item number | 1794-VHSC |
| Country of Origin | United States |
| Lead Time | In stock |
| After-Sales Support | 12-months |
| HS Code / Commodity code | 8537101190 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
PLC Autocontroller |20 years of experience specializing in automation equipment
1794-VHSC | Communication Port Module
PLC Autocontroller| Sales Manager May
Product Overview
The 1794-VHSC is a Flex I/O Very High Speed Counter from Rockwell Automation (Allen-Bradley), used for high-speed pulse counting, encoder signal processing, and speed/position measurement in industrial automation systems.
This module can be connected to PLC systems (such as ControlLogix/CompactLogix/FlexLogix), supports incremental encoders, pulse signals, and frequency measurement, and is an important I/O module for high-precision motion control and flow metering.
Key parameters and specifications
Product Model: 1794-VHSC
Brand: Allen-Bradley (Rockwell Automation)
Product Type: Flex I/O Very High Speed Counter Module
Number of Channels: 2 independent high-speed counting channels
Input Type: A/B/Z incremental encoder, pulse input
Maximum Input Frequency: Up to 1 MHz (X1 mode)
Counting Modes: Up/Down, Encoder X1/X2/X4, Rate measurement
Number of Output Points: 2 sets of isolated digital outputs (2 points per set)
Output Response Time: Approximately 25μs from OFF to ON (load dependent)
Product Features:
High-speed counting capability
Supports input frequency up to 1MHz, suitable for high-speed rotating equipment, servo feedback, flow pulse, and other scenarios.
Multiple encoder modes
Supports X1/X2/X4 decoding methods, adaptable to incremental encoder systems with different accuracy requirements.
Multi-functional measurement
In addition to counting, it can also perform:
Rate measurement
Period measurement
Position accumulation
Pulse width modulation (PWM)
Flexible output control
Outputs can be bound to:
Compare windows
Counting threshold trigger
PWM control signal
Industrial-grade reliable design
Strong anti-interference capability
Supports complex signal environments in industrial settings
Modular Flex I/O structure for easy maintenance
Order & ship
u Xiamen stock, 1 Year Warranty
u 100% Original Package
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Credits & Contact
PLC Autocontroller 20 years of experience specializing in automation equipment
Sales Manager May Email: ab@mooreplc.com
Phone: +86-18106909650 (WhatsApp)
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