{"product_id":"allen-bradley-1794-vhsc-flex-i-o-very-high-speed-counter-module","title":"Allen-Bradley 1794-VHSC Flex I\/O Very High Speed Counter Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1794-VHSC Flex I\/O Very High Speed Counter Module delivers precise, high-speed counting for demanding industrial automation applications. As part of the Flex I\/O family, this module is designed to replace older counter solutions and upgrade system performance. With 2 input channels and 2 groups of 3 inputs per counter, the 1794-VHSC handles up to 1 MHz input frequency, making it suitable for fast encoder and sensor signals.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBased on manufacturer data, the Allen-Bradley 1794-VHSC offers the following key parameters:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O Very High Speed Counter Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs per Counter\u003c\/td\u003e\n\u003ctd\u003e2 Groups of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Off-state Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput On-state Current\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2 Isolated Groups of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Supply Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-31V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5.0W @ 31.2V DC max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.1 BTU\/hr. @ 31.2V DC max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 1794-VHSC excels in high-speed counting scenarios such as material handling, packaging, and conveyor systems. Its 1 MHz input frequency accommodates fast-moving parts, while isolated outputs provide reliable signal transmission to PLCs. Upgrade existing systems with the 1794-VHSC to reduce downtime and improve accuracy.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThis module integrates with Allen-Bradley ControlLogix and CompactLogix platforms via Flex I\/O architecture. It requires a 1794-TB3G or 1794-TB3GS terminal base unit and a 24V DC nominal external power supply (19.2-31.2V DC range). The 1794-VHSC supports high-speed counting for EtherNet\/IP-enabled controllers, ensuring seamless data exchange.\u003c\/p\u003e\u003ch2\u003eUpgrade Guide\u003c\/h2\u003e\u003cp\u003eReplacing older counter modules with the Allen-Bradley 1794-VHSC simplifies wiring and boosts performance. The module's compact design (3.7 x 3.7 x 2.7 inches) fits existing enclosures, and its key-switch position ensures correct installation. Verify compatibility with your control system and terminal base before purchase.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen selecting the 1794-VHSC, confirm your controller supports Flex I\/O and that the terminal base (1794-TB3G or 1794-TB3GS) is available. For reliable supply and quick delivery, choose UBEST Automation as your trusted partner. Contact us for detailed specifications and ordering assistance.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44403926302819,"sku":"1794-VHSC","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1794-VHSC_3.jpg?v=1785013655","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1794-vhsc-flex-i-o-very-high-speed-counter-module","provider":"PLC Source PRO","version":"1.0","type":"link"}