{"title":"Weidmuller ACT20 \/ Interface","description":"Les composants Weidmuller ACT20 et Interface offrent un conditionnement de signal essentiel et une isolation galvanique pour les systèmes de contrôle industriel modernes. Cette collection comprend les isolateurs ultra-fins ACT20M de 6 mm pour les panneaux à espace limité, le polyvalent ACT20P pour la conversion de signaux au niveau des processus, et les modules haute performance ACT20X intrinsèquement sûrs pour les zones dangereuses. Complétés par des relais d'interface à haute densité et des conditionneurs de signaux analogiques, ces modules garantissent une transmission de données sans interférences et une séparation électrique robuste entre les appareils de terrain et le niveau de contrôle.","products":[{"product_id":"8965430000-weidmuller-act20x-hai-sao-s-hart-protocol-transparent-current-supply-isolators","title":"Isolateurs d'alimentation courant transparents protocole HART ACT20X-HAI-SAO-S Weidmüller 8965430000","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eWeidmuller 8965430000 (ACT20X-HAI-SAO-S)\u003c\/strong\u003e\u003cspan\u003e is a precision-engineered single-channel HART-protocol transparent current-supply isolator.\u003c\/span\u003e\u003cspan\u003e Designed for critical signal conditioning in hazardous areas,\u003c\/span\u003e\u003cspan\u003e this module provides an essential barrier between 4 to 20 mA field transmitters and the control system (DCS\/PLC).\u003c\/span\u003e\u003cspan\u003e The \u003c\/span\u003e\u003cstrong\u003e8965430000\u003c\/strong\u003e\u003cspan\u003e specializes in \"HART transparency,\u003c\/span\u003e\u003cspan\u003e\" allowing digital diagnostic and configuration data to pass through the analog loop without interference.\u003c\/span\u003e\u003cspan\u003e By utilizing galvanic isolation,\u003c\/span\u003e\u003cspan\u003e it eliminates ground loops and protects the control infrastructure from electrical transients.\u003c\/span\u003e\u003cspan\u003e Its ultra-high accuracy (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u0026lt; 0.1%\u003c\/span\u003e\u003cspan\u003e span) and rapid 5 ms response time make it a standard choice for high-availability process plants,\u003c\/span\u003e\u003cspan\u003e including refineries and chemical processing facilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ACT20X-HAI-SAO-S is a high-performance single-channel variant within the ACT20X family,\u003c\/span\u003e\u003cspan\u003e housed in a space-efficient 22.\u003c\/span\u003e\u003cspan\u003e5 mm DIN-rail mounting enclosure.\u003c\/span\u003e\u003cspan\u003e It features a versatile voltage supply range (19.\u003c\/span\u003e\u003cspan\u003e2 to 31.\u003c\/span\u003e\u003cspan\u003e2 VDC) and utilizes screw connections for secure,\u003c\/span\u003e\u003cspan\u003e vibration-resistant wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike basic isolators,\u003c\/span\u003e\u003cspan\u003e this unit is fully software-configurable via the FDT\/DTM interface.\u003c\/span\u003e\u003cspan\u003e This allows engineers to monitor and set alarm thresholds for four specific fault conditions:\u003c\/span\u003e\u003cspan\u003e signal limit violations,\u003c\/span\u003e\u003cspan\u003e input line interruptions,\u003c\/span\u003e\u003cspan\u003e loss of supply voltage,\u003c\/span\u003e\u003cspan\u003e and internal device errors.\u003c\/span\u003e\u003cspan\u003e The integrated relay output provides a hardwired alarm contact capable of switching up to 125 VAC,\u003c\/span\u003e\u003cspan\u003e ensuring that critical faults are communicated to the safety system even if the primary analog signal is compromised.\u003c\/span\u003e\u003cspan\u003e Its low power consumption (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u0026lt;= 1.0 W\u003c\/span\u003e\u003cspan\u003e) reduces the heat load within crowded marshalling cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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\u003eACT20X-HAI-SAO-S (8965430000)\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\u003eWeidmuller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1-Channel (Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput\/Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA (HART Transparent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 0.1% of span\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStep Response Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 5 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Switching Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 125 VAC \/ 110 VDC (Relay)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 1.0 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 0.01% of span \/ deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFDT\/DTM Software\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e117.2 x 22.5 x 113.6 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.186 kg\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\u003eQ1: What is the benefit of the 5 ms step response time in this isolator?\u003c\/strong\u003e\u003cspan\u003eA1:\u003c\/span\u003e\u003cspan\u003e A 5 ms response time ensures that the isolator adds negligible delay to the control loop.\u003c\/span\u003e\u003cspan\u003e This is critical for high-speed pressure or flow control applications where even millisecond delays can lead to process instability or oscillations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How does HART transparency assist with maintenance?\u003c\/strong\u003e\u003cspan\u003eA2:\u003c\/span\u003e\u003cspan\u003e It allows technicians to use a HART handheld communicator or asset management software (like AMS or PRM) to calibrate field transmitters directly through the isolator.\u003c\/span\u003e\u003cspan\u003e You do not need to bypass the module to access the transmitter's digital data.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can the alarm relay be used for more than just \"Line Interruption\"?\u003c\/strong\u003e\u003cspan\u003eA3:\u003c\/span\u003e\u003cspan\u003e Yes.\u003c\/span\u003e\u003cspan\u003e Through the FDT\/DTM software,\u003c\/span\u003e\u003cspan\u003e you can configure the relay to trigger based on \"Signal limit exceeded\" (e.\u003c\/span\u003e\u003cspan\u003eg.,\u003c\/span\u003e\u003cspan\u003e if the mA goes above 21 mA or below 3.\u003c\/span\u003e\u003cspan\u003e8 mA),\u003c\/span\u003e\u003cspan\u003e as well as internal device errors or power loss.\u003c\/span\u003e\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\u003eHART Loop Resistance:\u003c\/strong\u003e\u003cspan\u003e Ensure that the total loop resistance (including the transmitter,\u003c\/span\u003e\u003cspan\u003e field wiring,\u003c\/span\u003e\u003cspan\u003e and the isolator's internal resistance) remains within the transmitter's driving capacity.\u003c\/span\u003e\u003cspan\u003e A 250 Ohm resistor is typically required for HART communication,\u003c\/span\u003e\u003cspan\u003e and the ACT20X-HAI-SAO-S is designed to accommodate this while maintaining signal integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and Shielding:\u003c\/strong\u003e\u003cspan\u003e For maximum accuracy (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u0026lt; 0.1%\u003c\/span\u003e\u003cspan\u003e span),\u003c\/span\u003e\u003cspan\u003e use twisted-pair shielded cables for the 4 to 20 mA signal.\u003c\/span\u003e\u003cspan\u003e Connect the shield at a single point (usually the DCS cabinet earth) to prevent ground loops that could induce noise into the high-precision analog measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware and DTM Sync:\u003c\/strong\u003e\u003cspan\u003e Always use the latest DTM (Device Type Manager) version from Weidmuller's WI-Manager suite when configuring the 8965430000.\u003c\/span\u003e\u003cspan\u003e This ensures that all diagnostic features and alarm parameters are correctly mapped and accessible during commissioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 8965430000 is distinguished by its exceptional thermal stability (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u0026lt; 0.01% \u003c\/span\u003e\u003cspan\u003eof span per deg C),\u003c\/span\u003e\u003cspan\u003e making it ideal for cabinets located in non-climate-controlled environments.\u003c\/span\u003e\u003cspan\u003e Its single-channel design offers modularity; a single loop failure or maintenance requirement only affects one process variable,\u003c\/span\u003e\u003cspan\u003e enhancing the overall \"Fault Tolerance\" of the I\/O node.\u003c\/span\u003e\u003cspan\u003e Furthermore,\u003c\/span\u003e\u003cspan\u003e the 1.\u003c\/span\u003e\u003cspan\u003e0W low-power architecture significantly extends the MTBF (Mean Time Between Failures) of the device by minimizing internal component stress caused by heat,\u003c\/span\u003e\u003cspan\u003e which is a primary concern in 24\/7 continuous process industries.\u003c\/span\u003e\u003c\/p\u003e","brand":"Weidmuller","offers":[{"title":"Default Title","offer_id":53102136099179,"sku":"8965430000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/8965430000-w3mfpsg0czs.png?v=1776137161"},{"product_id":"weidmuller-8965400000-act20x-sdi-hdo-l-s-intrinsic-safety-valve-driver","title":"Pilote de vanne sécurité intrinsèque ACT20X-SDI-HDO-L-S Weidmüller 8965400000","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-64\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eWeidmuller 8965400000 (ACT20X-SDI-HDO-L-S)\u003c\/strong\u003e\u003cspan class=\"citation-64 citation-end-64\"\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized solenoid driver module designed to control intrinsically safe (IS) valves and indicators located in hazardous areas.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAs a critical component of the ACT20X signal conditioner family, it serves as an isolator between safe-area control signals and Ex-zone field devices. Engineered for high-reliability process environments like chemical dosing and fuel storage, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8965400000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econverts digital control signals from a PLC or DCS into the energy-limited power required to actuate solenoid valves in ATEX\/IECEx Zones 0, 1, or 2. Its integrated alarm relay and software-programmable parameters ensure that valve failures or supply losses are instantly reported, minimizing process risk and protecting expensive field assets.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe ACT20X-SDI-HDO-L-S features a single-channel, high-current output (HDO) architecture optimized for \"L\" (Low) power solenoid coils.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-63 citation-end-63\"\u003eIt provides galvanic 3-way isolation between the input, output, and power supply, ensuring that electrical faults in the hazardous area cannot reach the control cabinet backplane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-62 citation-end-62\"\u003eConfiguration is handled through the standardized FDT\/DTM software interface, allowing engineers to set precise current limits and define the behavior of the alarm relay.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThe unit monitors for \"No Supply Voltage\" and internal \"Device Error\" conditions, triggering a change-over in the nominal switching relay (up to 125 VAC) to notify the supervisory system.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-61 citation-end-61\"\u003eIts 10 ms step response time ensures rapid valve actuation for time-critical safety sequences, while the 22.5 mm slim housing facilitates high-density DIN-rail mounting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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\u003eACT20X-SDI-HDO-L-S (8965400000)\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\u003eWeidmuller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eValve Control \/ Solenoid Driver\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Current (HDO), Low Power (L)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStep Response Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.2 to 31.2 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 1.9 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAlarm Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo supply voltage, Device error\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Switching Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 125 VAC \/ 110 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital (Switching)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e117.2 x 22.5 x 113.6 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.170 kg\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\u003eQ1: What does the \"L\" signify in the HDO-L-S suffix?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The \"L\" indicates a Low-power output characteristic. This module is specifically tuned to drive intrinsically safe solenoids that require lower holding currents while maintaining sufficient voltage to ensure reliable actuation in hazardous zones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I configure this module without specialized hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: You need the Weidmuller USB interface cable and a PC with FDT\/DTM software (WI-Manager). This software-based configuration allows you to verify internal diagnostics and set custom alarm conditions that are not possible with hardware DIP switches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the alarm relay output \"Fail-Safe\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Yes. The alarm relay is typically configured to de-energize (open contact) upon a loss of supply voltage or a device error, ensuring that the control system detects a fault even if the module loses power entirely.\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\u003eIntrinsic Safety Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure that the \"Entity Parameters\" (\u003cspan class=\"math-inline\"\u003e$U_o, I_o, P_o$\u003c\/span\u003e) of the 8965400000 match or exceed the requirements of your solenoid valve. The total inductance and capacitance of the field wiring must be calculated to remain within the ATEX\/IECEx limits for the specific zone of installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Torque:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor the screw connections, use a calibrated screwdriver to apply the manufacturer's recommended torque. Loose connections in valve control circuits are a leading cause of \"Device Error\" alarms due to increased contact resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabinet Ventilation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen mounting several ACT20X modules side-by-side, allow for sufficient natural convection. While the module is rated for 0-95% humidity, a dry, dust-free environment will significantly extend the lifespan of the internal isolation transformers and switching relays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-60 citation-end-60\"\u003eThe 8965400000 is distinguished by its 3-way isolation and 10 ms response time, making it an ideal choice for Emergency Shutdown (ESD) applications.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIts software-centric configuration allows for \"digital fingerprinting\" of the device setup, making it easy for maintenance teams to replicate settings across multiple units during plant expansions. Furthermore, the inclusion of a high-voltage switching relay (\u003cspan class=\"math-inline\"\u003e125 VAC\u003c\/span\u003e) allows this module to directly interface with legacy 110V alarm systems, eliminating the need for interposing relays and simplifying the overall control cabinet bill of materials.\u003c\/p\u003e","brand":"Weidmuller","offers":[{"title":"Default Title","offer_id":53102138360171,"sku":"ACT20X-SDI-HDO-L-S","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/8965400000-jh3rntmugs0.png?v=1776137158"},{"product_id":"8965440000-weidmuller-act20x-2hai-2sao-s-hart-transparent-isolator","title":"Isolateur transparent HART ACT20X-2HAI-2SAO-S Weidmüller 8965440000","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-47\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eWeidmuller 8965440000 (ACT20X-2HAI-2SAO-S)\u003c\/strong\u003e\u003cspan class=\"citation-47 citation-end-47\"\u003e\u003cspan\u003e \u003c\/span\u003eis a sophisticated 2-channel HART-protocol transparent current-supply isolator designed for hazardous area applications.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ePart of the ACT20X series, this module provides signal isolation and conditioning for 4 to 20 mA loops while maintaining full transparency for bidirectional HART communication. Engineered for high-stakes environments such as chemical processing and offshore platforms, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8965440000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeffectively decouples field devices from the control system, eliminating ground loops and protecting sensitive DCS\/PLC inputs from high-voltage transients. Its primary value lies in its high accuracy (\u003cspan class=\"math-inline\"\u003e\u003c\/span\u003e\u0026lt; 0.1% Span) and integrated alarm functions, which proactively monitor for line interruptions and device errors to maximize process availability.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe ACT20X-2HAI-2SAO-S is a dual-channel powerhouse housed in a slim 22.5 mm enclosure, saving significant DIN-rail space.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-46 citation-end-46\"\u003eIt operates on a wide supply voltage range of 19.2 to 31.2 VDC and is fully configurable via FDT\/DTM software, allowing for precise adjustment of signal limits and alarm thresholds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOne of its standout features is \"HART Transparency,\" which ensures that digital diagnostic data from smart transmitters can pass through the isolator without distortion.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-45 citation-end-45\"\u003eThe module also features a dedicated relay alarm output for collective error messaging.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIt monitors for four distinct fault conditions: signal limit violations, input line interruptions, supply voltage loss, and internal device errors. The screw connection system provides high mechanical stability, ensuring reliable electrical contact even in high-vibration industrial settings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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\u003eACT20X-2HAI-2SAO-S (8965440000)\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\u003eWeidmuller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-Channel (Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput\/Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA (HART Transparent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 0.1% of span\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStep Response Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 5 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Switching Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 125 VAC \/ 110 VDC (Relay)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;= 1.9 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFDT\/DTM Software\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\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\u003e-20 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e117.2 x 22.5 x 113.6 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.212 kg\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\u003eQ1: What does \"HART Transparent\" mean for this isolator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: It means the module does not strip away the high-frequency digital signal superimposed on the 4 to 20 mA analog loop. This allows your DCS or handheld communicator to \"see\" and configure smart field devices through the isolator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How do the alarm functions improve plant safety?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The module features a physical relay contact that opens or closes when a fault occurs (like a broken wire). This provides an immediate hardware-level notification to the safety system, independent of the analog signal value.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can the ACT20X-2HAI-2SAO-S be installed directly in ATEX Zone 0?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: The module itself must be installed in a safe area or Zone 2, but it is designed to interface with intrinsic safety (IS) signals coming from Zone 0, 1, or 2. Always check the specific Ex-certification markings on the device housing.\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\u003cspan class=\"citation-44\"\u003e\u003c\/span\u003e\u003cstrong\u003eSoftware Configuration:\u003c\/strong\u003e\u003cspan class=\"citation-44 citation-end-44\"\u003e\u003cspan\u003e \u003c\/span\u003eUse the Weidmuller WI-Manager (FDT frame) and the specific DTM for ACT20X to set up the device.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis allows you to define \"Active\" or \"Passive\" input modes and configure the fail-safe behavior of the relay output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlthough the module is rated up to 60 deg C, maintain a 5 mm gap between adjacent high-power modules if the ambient temperature in the cabinet consistently exceeds 45 deg C. This prevents the internal \"Step response time\" from drifting due to thermal stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor HART communication integrity, ensure that the total loop impedance (including the 250 Ohm resistor) does not exceed the module's driving capability. Use shielded twisted-pair cables for the 4 to 20 mA loops to maintain the \u0026lt; 0.1% accuracy in high EMI environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-43 citation-end-43\"\u003eThe ACT20X-2HAI-2SAO-S is distinguished by its extremely low temperature coefficient (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u0026lt; 0.01% \u003c\/span\u003e\u003cspan class=\"citation-42 citation-end-42\"\u003eof span per deg C), ensuring that signal measurements remain precise regardless of seasonal temperature swings in the control room.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-41 citation-end-41\"\u003eIts rapid 5 ms response time makes it suitable for fast-acting control loops and safety-instrumented systems (SIS).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eFurthermore, the 2-channel design provides a 50% reduction in DIN-rail footprint compared to standard single-channel isolators, making it the ideal choice for high-density marshalling cabinets in modernized plant architectures.\u003c\/p\u003e","brand":"Weidmuller","offers":[{"title":"Default Title","offer_id":53102138589547,"sku":"ACT20X-2HAI-2SAO-S","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/8965440000-ngibj2i2kgn.png?v=1776137163"}],"url":"https:\/\/www.plcprotech.com\/fr\/collections\/weidmuller-act20-interface.oembed","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}