{"product_id":"yokogawa-aer4d-00-s1-centum-vp-rtd-terminal-board-aer4d-00","title":"Yokogawa AER4D-00 S1 CENTUM VP RTD Terminal Board AER4D-00","description":"\u003ch2\u003eYokogawa AER4D-00 S1 Terminal Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AER4D-00 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAER4D-00\u003c\/strong\u003e Terminal Board, operates as a dedicated hardware component for Resistance Temperature Detector (RTD) signal termination within Yokogawa CENTUM VP distributed control systems. Configured as a 16-channel interface panel, the board routes RTD temperature telemetry directly to AAR145 input modules via AKB335 signal cables. The physical layout incorporates M4 screw terminals arranged in single or dual redundant module configurations, isolating field sensor wires and transferring digitized temperature data across the FIO node backplane architecture.\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\u003eAER4D-00 S1\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 mm W x 440 mm H x 88.1 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive termination board (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 RTD channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Configuration\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 Cable\u003c\/td\u003e\n\u003ctd\u003eAKB335 Cable Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e100 Mohm minimum at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC for 1 minute (between commons); 2300 V AC for 1 minute (signal to case)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Mounting\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mounting via 2 M5 screw holes\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; FOUNDATION Fieldbus Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe AER4D-00 S1 maintains stable signal conversion thresholds for 16 discrete RTD channels by preserving constant lead resistance balances across its terminal array. High isolation boundaries (100 Mohm at 500 V DC) prevent field potential differences from degrading low-voltage millivolt signals, ensuring accurate temperature processing when integrating CJC (cold junction compensation) values or passing variables across FOUNDATION Fieldbus \/ Profibus PA field networks. Dual-redundant wiring layouts support dual AAR145 modules, sustaining continuous temperature tracking and uninterrupted DCS database register updates if a primary signal path fails.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is galvanic isolation maintained between channel groups on the terminal board?\u003c\/p\u003e\n\u003cp\u003eA: The board provides physical isolation designed to withstand 1500 V AC for 1 minute between commons (separated every 8 channels) and 2300 V AC for 1 minute between signal paths and the metal chassis frame.\u003c\/p\u003e\n\u003cp\u003eQ: Can the AER4D-00 S1 board be mounted in standard 19-inch equipment racks?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The board features standard 19-inch rack dimensions (482.6 mm width) and mounts securely using two M5 screw holes on the mounting ears.\u003c\/p\u003e\n\u003cp\u003eQ: What cable assembly is required to connect the terminal board to the AAR145 module?\u003c\/p\u003e\n\u003cp\u003eA: Field connection requires the Yokogawa AKB335 multi-conductor signal cable, which plugs directly into the interface connectors on the terminal board.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Screw Torque:\u003c\/strong\u003e Torque all M4 field wiring screws to 1.2 N m to maintain gas-tight electrical contact and prevent thermal drift caused by loose terminal connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Frame Grounding:\u003c\/strong\u003e Secure the board frame to the functional earth (FE) rail using designated M5 mounting hardware to ensure proper high-voltage breakdown protection (2300 V AC to case).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Cable Separation:\u003c\/strong\u003e Route low-voltage RTD wiring in dedicated raceways separated by at least 300 mm from 230\/400 V AC power lines and variable speed drive outputs to prevent inductive noise interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant Cable Routing:\u003c\/strong\u003e When deploying dual-redundant AAR145 module configurations, route primary and secondary AKB335 cables along separate vertical cable ducts to avoid simultaneous mechanical damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43796283031642,"sku":"AER4D-00 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/750..jpg?v=1786066376","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aer4d-00-s1-centum-vp-rtd-terminal-board-aer4d-00","provider":"SpareOil Automation","version":"1.0","type":"link"}