{"product_id":"yokogawa-aea4d-01-terminal-board-for-analog-signals","title":"Yokogawa AEA4D-01 Terminal Board for Analog Signals","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AEA4D-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAEA4D\u003c\/strong\u003e Terminal Board for Analog Signals, operates as a dedicated hardware component for 16-channel analog signal termination and distribution within CENTUM VP and CS3000 Distributed Control System networks. Configured for single or dual-redundant hardware arrangements, this terminal board bridges field instruments directly to specified system analog input and output modules.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAEA4D\u003c\/strong\u003e: Terminal Board for Analog Signals (16-channel capacity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-0\u003c\/strong\u003e: Configured without integrated surge absorbers (standard baseline variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Style code designator for the initial product series revision (Life Cycle Status: Discontinued; functionally replaced by variants AEA4D-05 and AEA4D-06)\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\u003eAEA4D-01\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 (Shipping weight: 2.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm x 100 mm x 25 mm\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 distribution interface (0 W internal power generation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 analog input\/output points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals (2 x M4 per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100 MOhm at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V AC for 1 minute duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Connection\u003c\/td\u003e\n\u003ctd\u003eKS1 type multicore cable interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95 % RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Properties\u003c\/h3\u003e\n\u003cp\u003eThe terminal interface routes analog signaling currents across 16 discrete paths, supporting standard 4-20 mA HART loop protocol architectures and voltage signals without altering circuit impedance. Galvanic isolation and circuit separation parameters protect adjacent channels against loop-to-loop short circuits. Channel-to-channel isolation metrics limit crosstalk degradation when routing diverse signal vectors through the unified KS1 interface cable matrix to modules AAI141, AAI841, or AAI143.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is dual-redundancy maintained across the AEA4D-01 terminal interface during an I\/O module fault?\u003c\/p\u003e\n\u003cp\u003eA: The passive hardware circuitry of the board branches each of the 16 analog paths into dual parallel connections routed through the KS1 cable connectors. This arrangement permits simultaneous interfacing with two redundant I\/O cards, allowing the active DCS processor to perform an instantaneous, bumpless electronic switchover if the primary card fails.\u003c\/p\u003e\n\u003cp\u003eQ: Can an AEA4D-01 unit be directly substituted with an AEA4D-06 board during system maintenance?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the AEA4D-06 is the official functional replacement for the discontinued AEA4D-01 framework. The form factor, electrical pinouts, and terminal positions remain fully backward-compatible, though individual system terminal assignments must be verified prior to migration.\u003c\/p\u003e\n\u003cp\u003eQ: Does this specific terminal variant provide protection against high-voltage line surges?\u003c\/p\u003e\n\u003cp\u003eA: No, the suffix code \"-0\" dictates that this version lacks built-in surge absorbers. For transient protection against outdoor lightning strikes or power induction, external surge protection modules must be wired inline with the field loops before entering the M4 screw terminals.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Screw Torquing:\u003c\/strong\u003e Terminate all analog lines using ring or spade lugs suited for the 2 x M4 screw layout. Torque each terminal connection to the specified industrial standard to minimize contact resistance drift on 4-20 mA pathways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Protocols:\u003c\/strong\u003e Route the overall shield and individual twisted-pair drain wires to the dedicated instrument ground bar within the control enclosure. Do not ground the shield at both the field instrument and the terminal board to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Interface Verification:\u003c\/strong\u003e Ensure that the KS1 system cable is fully seated into the board-mounted multi-pin connector and that the mechanical retaining clips are locked to avoid accidental disconnects under high-vibration conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43517919985754,"sku":"AEA4D-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/398_3a3542b2-1d73-4a30-9ac3-ec2509f126eb.jpg?v=1781761986","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aea4d-01-terminal-board-for-analog-signals","provider":"SpareOil Automation","version":"1.0","type":"link"}