{"product_id":"vesda-vhx-0420-modbus-type-3-hli-standard","title":"VESDA VHX-0420 Modbus Type 3 HLI Standard","description":"\u003cp\u003eThe \u003cstrong\u003eVESDA VHX-0420\u003c\/strong\u003e is the standard (unenclosed) Modbus Type 3 High Level Interface for VESDAnet aspirating smoke detection networks. It acts as a proxy for every VESDA device on the network, so a building management system or fire panel can read status and write control and configuration through Modbus registers. It connects to the network through a VESDAnet socket interface.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports up to 100 VESDA detectors on one VESDAnet network\u003c\/li\u003e\n\u003cli\u003eReports alarm and fault status, detailed faults, smoke level and alarm thresholds\u003c\/li\u003e\n\u003cli\u003ePasses reset, disable, silence, alarm test and normalize commands\u003c\/li\u003e\n\u003cli\u003eCovers VESDA VLP, VLS, VLC, VLF, VLI and VFT-15, plus VESDA-E VEU, VEP, VES and VEA\u003c\/li\u003e\n\u003cli\u003eSupplied with VESDAlink RS-232 9-way and VESDAnet RS-485 15-way cables\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eVHX-0420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eModbus Type 3 High Level Interface, standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent current \/ power\u003c\/td\u003e\n\u003ctd\u003e70 mA \/ 1.68 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetectors supported\u003c\/td\u003e\n\u003ctd\u003eUp to 100 per VESDAnet network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e188 x 98 x 40 mm (7.4 x 3.9 x 1.6\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg (0.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded cables\u003c\/td\u003e\n\u003ctd\u003eVESDAlink RS-232 9-way; VESDAnet RS-485 15-way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eOrdering note\u003c\/h3\u003e\u003cp\u003eThe VHX-1420 is the same Type 3 interface in a wall-mounted metal box with a built-in VESDAnet interface. The earlier VHX-0400 (Type 1) and VHX-0410 (Type 2) are limited to 40 detectors and do not support VESDA-E.\u003c\/p\u003e","brand":"VESDA","offers":[{"title":"Default Title","offer_id":68073080324309,"sku":"VHX-0420","price":985.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/5826\/3253\/files\/vesda-by-xtralis-fire-alarms-default-title-vesda-vhx-0420-modbus-type-3-hli-standard-32973181255904.jpg?v=1793582809","url":"https:\/\/fireservicesgroup.com\/products\/vesda-vhx-0420-modbus-type-3-hli-standard","provider":"FSG - Fire Services Group","version":"1.0","type":"link"}