{"product_id":"yokogawa-aer4d-05-centum-vp-rtd-terminal-board","title":"Yokogawa AER4D-05 CENTUM VP RTD Terminal Board","description":"\u003ch2\u003eYokogawa AER4D-05 Terminal Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AER4D-05\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAER4D\u003c\/strong\u003e Terminal Board, operates as a dedicated hardware component for RTD signal termination within Yokogawa CENTUM VP DCS platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe model and suffix code combination defines the hardware options for the AER4D series:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAER4D\u003c\/strong\u003e: Terminal Board for resistance temperature detectors (single and dual-redundant, 16-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-0\u003c\/strong\u003e: Without surge absorber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e: Basic type with no explosion protection\u003c\/li\u003e\n\u003c\/ul\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\u003eAER4D-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DIN-mount marshalling board dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive physical terminal board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eResistance Temperature Detector (RTD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eM4 screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003eAAR145 RTD Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cables\u003c\/td\u003e\n\u003ctd\u003eKS1 \/ AKB335 cable assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100 M-ohm at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCold Junction Compensation \u0026amp; DCS Temperature Sensing Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe AER4D-05 terminal board routes 16 independent RTD measurement channels directly to AAR145 I\/O modules via KS1 or AKB335 system cables. Dedicated internal tracing preserves linear resistance-to-temperature conversions while isolating raw analog signal paths from industrial noise sources. The board maintains precise line resistance balance across 3-wire RTD configurations, providing stable input values for cold junction compensation calculations and preventing thermal gradient drift from affecting plant control system loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AER4D-05 support dual-redundant I\/O module configurations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The AER4D-05 terminal board incorporates twin system cable connectors on its PCB layout. This design allows technicians to cross-connect two AKB335 or KS1 cables simultaneously to pair redundant AAR145 RTD input modules without interrupting active field device wiring.\u003c\/p\u003e\n\u003cp\u003eQ: Can field technicians install additional surge suppression components onto the AER4D-05 board?\u003c\/p\u003e\n\u003cp\u003eA: The \"-0\" suffix indicates that the factory ships this base terminal board without built-in surge absorbers. For installations subject to high-voltage transients, technicians must install external inline surge barriers on field terminal lines before terminating cables onto the M4 screws.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eTechnicians must strip field wiring conductors to appropriate lengths and terminate them onto the M4 screw terminals using ring or spade lugs, torquing screws to 1.2 N m to prevent loose contact resistance. Route multi-core RTD signal cables through dedicated low-voltage wire ducts, maintaining at least 300 mm separation from AC power lines to avoid inductive noise coupling. Ground the overall cable shield braid at the cabinet earthing bar at one end only to prevent loop currents from disturbing millivolt-level resistance measurements. When installing the board on a panel frame, verify that structural ground connections maintain direct metal-to-metal contact with the enclosure backplate.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43895499227226,"sku":"AER4D-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/51_9ab813aa-259d-4515-93e7-8706ef37e468.jpg?v=1787534944","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aer4d-05-centum-vp-rtd-terminal-board","provider":"SpareOil Automation","version":"1.0","type":"link"}