{"product_id":"hima-bv-7040-4-h41q-h51q-bus-extension-cable","title":"HIMA BV 7040-4 H41q H51q Bus Extension Cable","description":"\u003ch2\u003eHIMA BV 7040-4 Bus Extension Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHIMA BV 7040-4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eBV 7040-4\u003c\/strong\u003e Data Connecting Cable, operates as a dedicated hardware component for high-speed inter-rack data connection within H41q and H51q Safety Instrumented Systems (SIS).\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBV 7040-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHIMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg (Shipping Weight: 5 kg package class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard cable lengths: 0.5 m, 2 m, 4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive physical media (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHIMA H41q \/ H51q Safety Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eBus extension cable linking H 7506 bus terminal to system interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation and Fail-Safe System Execution\u003c\/h3\u003e\n\u003cp\u003eThe BV 7040-4 bus extension cable provides deterministic, noise-immune signal paths required for SIL3 safety controller architectures. By interfacing the H 7506 bus terminal directly to the central processing unit backplane of the H41q\/H51q architecture, the cable eliminates data jitter and electromagnetic transmission errors. Internal conductor shielding provides high-level galvanic isolation and noise suppression across adjacent bus lines, ensuring that triple modular redundancy (TMR) and dual-redundant safety loops maintain continuous hardware synchronism without triggering unexpected fail-safe system trips.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What physical system components does the BV 7040-4 link within the controller rack?\u003c\/p\u003e\n\u003cp\u003eA: The cable directly connects the H 7506 bus terminal to the primary communications interface of the H41q and H51q central rack, allowing transparent I\/O bus expansion.\u003c\/p\u003e\n\u003cp\u003eQ: How does the cable construction prevent system fault propagation during redundant operation?\u003c\/p\u003e\n\u003cp\u003eA: The assembly incorporates individual signal line shielding and grounded physical termination. This prevents crosstalk between redundant communication paths and maintains signal integrity during hot-swap bus terminal maintenance.\u003c\/p\u003e\n\u003cp\u003eQ: What are the cable length limitations for system installation?\u003c\/p\u003e\n\u003cp\u003eA: The BV 7040-4 is engineered to standard factory-certified lengths of 0.5 m, 2 m, and 4 m to ensure deterministic propagation delay within the high-speed safety bus loop.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEngineers must adhere strictly to physical bend radius limitations during cabinet routing to prevent internal conductor damage. Maintain a minimum separation distance of 100 mm between the BV 7040-4 cable run and unshielded AC power wiring or high-voltage inductive switching lines. Always secure the metal connector housings flush against the H 7506 terminal interface and system backplane sockets. You must tighten all integrated mechanical retaining screws to establish a low-impedance ground path across the shield termination, thereby eliminating ground loop potential and protecting the underlying safety loop against severe industrial transient spikes.\u003c\/p\u003e","brand":"HIMA","offers":[{"title":"Default Title","offer_id":51179315036472,"sku":"BV 7040-4","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/111.2.jpg?v=1789004924","url":"https:\/\/www.automodulexpert.com\/products\/hima-bv-7040-4-h41q-h51q-bus-extension-cable","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}