{"product_id":"allen-bradley-cv21-3rq-modbus-interface-module","title":"Allen-Bradley CV21 3RQ Modbus Interface Module","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a543e2e-ad68-83ec-81c7-4181a26e8b02-9\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a543e2e-ad68-83ec-81c7-4181a26e8b02-9\" data-turn-id-container=\"request-6a543e2e-ad68-83ec-81c7-4181a26e8b02-9\" data-testid=\"conversation-turn-78\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"06995da5-0449-4dfe-92dc-7b62fe673d77\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"675\"\u003eThe TIC Support CV21 3RQ Modbus Interface Module is used in industrial automation systems to provide Modbus communication between controllers, \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\"\u003ePLCs\u003c\/a\u003e, HMIs, and field devices for reliable data exchange and system integration. Commonly installed in industrial control panels, manufacturing equipment, process automation systems, machine control cabinets, and OEM machinery requiring Modbus serial \u003ca href=\"https:\/\/plgautomation.com\/collections\/networking-communication\"\u003ecommunication\u003c\/a\u003e. Maintenance teams, OEM machine builders, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this interface module for communication upgrades, replacement of failed interface modules, and restoration of industrial network connectivity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"677\" data-end=\"694\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"696\" data-end=\"1064\"\u003eThe TIC Support CV21 3RQ Modbus Interface Module is commonly used in PLC communication systems, industrial automation networks, SCADA systems, HMI integration, manufacturing process control, machine automation, packaging equipment, conveyor systems, and industrial control applications utilizing the Modbus communication protocol. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1066\" data-end=\"1095\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1097\" data-end=\"1653\"\u003e• Manufacturer: TIC Support\u003cbr data-start=\"1124\" data-end=\"1127\"\u003e• Part Number: CV21 3RQ (CV213RQ)\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e• Product Type: Modbus Interface Module\u003cbr data-start=\"1202\" data-end=\"1205\"\u003e• Communication Protocol: Modbus\u003cbr data-start=\"1237\" data-end=\"1240\"\u003e• Interface Type: Industrial Communication Interface\u003cbr data-start=\"1292\" data-end=\"1295\"\u003e• Function: PLC, HMI, and field device communication\u003cbr data-start=\"1347\" data-end=\"1350\"\u003e• Installation: Control panel mounted module\u003cbr data-start=\"1394\" data-end=\"1397\"\u003e• Application: Industrial automation and process control\u003cbr data-start=\"1453\" data-end=\"1456\"\u003e• Compatible Equipment: PLCs, HMIs, SCADA systems, and Modbus-compatible devices\u003cbr data-start=\"1536\" data-end=\"1539\"\u003e• OEM Part: Yes\u003cbr data-start=\"1554\" data-end=\"1557\"\u003e• Designed For: Industrial control and automation networks \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1655\" data-end=\"1679\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1681\" data-end=\"1797\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• TIC Support CV21 3RS\u003cbr data-start=\"1703\" data-end=\"1706\"\u003e• TIC Support CV21 3RT\u003cbr data-start=\"1728\" data-end=\"1731\"\u003e• TIC Support CV213RQ Rev. B\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"TIC","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714024866094,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_bbc31021-ed41-400e-83ac-3e43056ff82a.jpg?v=1770414131","url":"https:\/\/plgautomation.com\/products\/allen-bradley-cv21-3rq-modbus-interface-module","provider":"PLG Automation ","version":"1.0","type":"link"}