{"product_id":"hima-h41q-h51q-f-3331-8-channel-safety-output-module","title":"HIMA H41q\/H51q  F 3331 8-Channel Safety Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eF 3331 (F3331)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability, 8-fold safety-related output module engineered by HIMA for use in critical control systems requiring Requirement Class AK 1 through 6. This module is a cornerstone in Safety Instrumented Systems (SIS) within the chemical processing, subsea, and pharmaceutical industries, where safe isolation and integrated shutdown capabilities are paramount. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eF 3331\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports resistive and inductive loads up to 500 mA (12 W) and is specifically designed to prevent unintended output signals in the event of an L- supply break. By providing continuous automated testing and line monitoring, it ensures that your safety loops remain functional, significantly reducing the Risk Priority Number (RPN) of your automated assets.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eF 3331\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed with a \"testable\" architecture, meaning it performs self-diagnostics without interrupting the process logic. Its safety DNA is built around three core pillars:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Safety Shutdown:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHardware-level circuitry ensures the module can reach a de-energized state upon demand or internal fault detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Test Routines:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module executes a \"walking-bit test\" to check for cross-talking and switching capability, alongside a read-back feature that monitors output signals (0-signal threshold ≤ 6.5 V).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLine Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module actively supervises the connection to the field device, detecting short circuits (tripping between 0.75 and 1.5 A) and line breaks (monitoring current between 0.5 and 9.5 mA).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eF 3331\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHIMA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Channels, Testable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Requirement Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAK 1 to 6\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLoad Capacity (Resistive\/Inductive)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 500 mA (12 W)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLamp Load Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 4 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Voltage Drop\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 2 V at 500 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShort Circuit Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated (0.75 to 1.5 A)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTest Signal Duration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 200 microseconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSpace Requirement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 TE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption (5V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e130 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption (24V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e180 mA (plus load current)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle a \"0 signal\" fault?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe read-back operating point for a 0-signal is ≤ 6.5 V. It is important to note that if a fault causes the voltage to rise but stay below this 6.5 V threshold, the system will not detect it as a high-level fault.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if there is a break in the L- supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eF 3331\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed so that no output signal is possible if the L- supply is broken, ensuring a fail-safe condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a limit to the length of the field wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the admissible line resistance (combined in and out) is a maximum of 11 Ohm. Exceeding this resistance can interfere with the module's ability to accurately monitor line breaks and short circuits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Balancing and Heat Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the module is rated for 500 mA per channel, the total power dissipation at 24 VDC can reach 180 mA plus the combined load. Ensure the cabinet has adequate convection cooling, as excessive ambient heat (above 60 deg C) can shift component tolerances and affect the undervoltage tripping point (standardly ≤ 16 V).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInductive Load Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor inductive loads, although the module is rated for 12 W, we recommend installing external flyback diodes at the load side for high-cycle applications to further protect the integrated safety shutdown circuitry from back-EMF spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTest Signal Transparency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe test signal duration is extremely short (max. 200 microseconds). While this is transparent to most industrial actuators and lamps, ensure that any downstream high-speed electronic interfaces are compatible with this transient diagnostic pulse to avoid \"flicker\" or false triggering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HIMA","offers":[{"title":"Default Title","offer_id":52695403069803,"sku":"F3331","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/hima-f3331-safety-related-output-module-g5gexcxd0sq_49ef2f0c-eded-449d-9b9a-b54cab21c05b.jpg?v=1766133869","url":"https:\/\/www.plcprotech.com\/products\/hima-h41q-h51q-f-3331-8-channel-safety-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}