{"product_id":"yokogawa-fca4-b-centum-vp-universal-i-o-module","title":"Yokogawa FCA4 B CENTUM VP Universal I\/O Module","description":"\u003ch2\u003eYokogawa FCA4 B Universal Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa FCA4 B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFCA4\u003c\/strong\u003e Universal Input\/Output Module, operates as a dedicated hardware component for signal distribution and isolated loop power provisioning within CENTUM VP and CS 3000 platforms. Configured for analog and discrete signal handling, the module interfaces with field instrumentation, executing loop power stabilization and signal duplication directly to the system backplane interface.\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\u003eFCA4 B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.13 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e72.0 mm x 24.0 mm x 127.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~65 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC from two-wire transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Options\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC or 1-5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power Supply\u003c\/td\u003e\n\u003ctd\u003e26.5 plus or minus 1.5 VDC (current limited 25-35 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd\u003e40 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Resistance (Current)\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Resistance (Voltage)\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 250 kohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003eplus or minus 0.1% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC for 1 min (input\/output vs. power supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 100 Mohm at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eABS resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Transmitter Loop Regulation\u003c\/h3\u003e\n\u003cp\u003eThe interface module delivers an isolated current-limited excitation voltage between 25 mA and 35 mA to regulate external two-wire loops. The onboard circuit extracts the 4-20 mA DC process variable and executes linear conversion into a proportional 1-5 VDC or 4-20 mA DC output rail. Galvanic isolation barriers rated up to 500 VAC stand between the field loop inputs, outputs, and internal system power blocks. This structural segmentation keeps common-mode noise, field grounding loops, and transient surges from entering the main distributed control system processors, preventing control degradation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal current-limiting circuit respond if a dead short occurs on the field transmitter wiring?\u003c\/p\u003e\n\u003cp\u003eA: The module activates its current-limiting mechanism instantly, capping the maximum output current between 25 mA and 35 mA. This hardware action prevents overcurrent down the module line, protects the internal transformer components, and allows the module to resume regular loops as soon as the field short is cleared.\u003c\/p\u003e\n\u003cp\u003eQ: Can this unit drive both a current output and a voltage output simultaneously from a single input?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal output routing must be configured exclusively for either a 4-20 mA DC current loop or a 1-5 VDC voltage signal path. Running both outputs at the same time shifts impedance matching boundaries outside the specified plus or minus 0.1% accuracy span.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Terminations:\u003c\/strong\u003e Connect all field instrumentation leads to the assigned pressure clamp terminal block points. To maintain appropriate signaling properties, verify that the external load on current outputs does not exceed 750 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Protocol:\u003c\/strong\u003e Terminate all incoming instrument twisted-pair cable shields at the designated enclosure ground bar. Keep shields continuous across junctions and insulate them at the instrument housing to prevent ground current loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail and Enclosure Alignment:\u003c\/strong\u003e Snap the module housing directly onto a standard symmetric DIN rail or insert it into a rack panel bay. Ensure the cooling vents located on the top and bottom of the ABS resin frame remain unobstructed by adjacent trunking to preserve natural thermal dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43667672432730,"sku":"FCA4*B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/573._8f672246-4e47-4cd1-87cc-d3591a919e3a.jpg?v=1784252995","url":"https:\/\/www.spareoil.com\/products\/yokogawa-fca4-b-centum-vp-universal-i-o-module","provider":"SpareOil Automation","version":"1.0","type":"link"}