{"product_id":"plc-allen-bradley-1794-vhsc-flex-i-o-very-high-speed-counter-module-a-b-1794vhsc","title":"Allen-Bradley | 1794-VHSC| FLEX I\/O (1794 Series)","description":"\u003ch2\u003eProduct Description: Allen-Bradley 1794-VHSC\u003c\/h2\u003e\r\n\u003cp\u003eThe Allen-Bradley 1794-VHSC is a 2-channel Very High- Speed Counter (VHSC) input module within the FLEX I\/O family, designed to support fast encoder and pulse-counting applications. Operating at up to 1 MHz input frequency, this module provides precise position and speed tracking for demanding motion applications such as packaging, conveying, and machine tooling. The 1794-VHSC integrates seamlessly with Logix platforms via FLEX I\/O adapters.\u003c\/p\u003e\r\n\u003ch2\u003eKey Features\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e2 independent high-speed counter channels\u003c\/li\u003e\r\n\u003cli\u003eSupports quadrature, pulse\/direction, and up\/down encoder inputs\u003c\/li\u003e\r\n\u003cli\u003eCount frequency up to 1 MHz per channel\u003c\/li\u003e\r\n\u003cli\u003e24V DC input signal level\u003c\/li\u003e\r\n\u003cli\u003e4 digital inputs and 4 digital outputs for control functions\u003c\/li\u003e\r\n\u003cli\u003eIndependent configuration of each channel via controller\u003c\/li\u003e\r\n\u003cli\u003eCompatible with all standard 1794 terminal bases and communication adapters\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eChannels\u003c\/strong\u003e: 2 VHSC channels\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eInput Type\u003c\/strong\u003e: Differential\/single-ended (24V DC)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMax Input Frequency\u003c\/strong\u003e: 1 MHz\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eInputs\u003c\/strong\u003e: 4 digital inputs (24V DC sink\/source)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e: 4 digital outputs (24V DC sourcing)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCounter Modes\u003c\/strong\u003e: \u003cul\u003e\r\n\u003cli\u003eQuadrature (X1, X2, X4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power\u003c\/strong\u003e: Supplied via terminal base (no external supply required for logic)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 50V (field-to-backplane)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0°C to 55°C\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: FLEX I\/O terminal base (DIN rail or panel mount)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: UL Listed, CE, CSA, RoHS, Class I Div 2\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eApplication Areas\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eHigh-speed motion and position tracking\u003c\/li\u003e\r\n\u003cli\u003eEncoder feedback for drives or mechanical axes\u003c\/li\u003e\r\n\u003cli\u003eMaterial handling and conveyor systems\u003c\/li\u003e\r\n\u003cli\u003ePackaging machinery requiring fast response\u003c\/li\u003e\r\n\u003cli\u003eOEM machine control with pulse\/position input needs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eHigh-frequency support enables precise motion feedback\u003c\/li\u003e\r\n\u003cli\u003eReduces need for standalone counter modules or PLCs with built-in VHSCs\u003c\/li\u003e\r\n\u003cli\u003eFlexible configuration options support multiple encoder types\u003c\/li\u003e\r\n\u003cli\u003eCompact FLEX I\/O format saves panel space and simplifies I\/O architecture\u003c\/li\u003e\r\n\u003cli\u003eEasily integrates with Allen-Bradley controllers and RSLogix\/Studio 5000\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Rabwellplc","offers":[{"title":"Default Title","offer_id":47062572237024,"sku":"30\/1794-VHSC","price":464.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/1947\/9776\/files\/10_5cb68270-b410-4d38-bd0d-ed3be244f521.jpg?v=1740560100","url":"https:\/\/rabwellplc.com\/products\/plc-allen-bradley-1794-vhsc-flex-i-o-very-high-speed-counter-module-a-b-1794vhsc","provider":"Rabwellplc","version":"1.0","type":"link"}