{"product_id":"yokogawa-atk4a-00-centum-dual-redundant-analog-terminal-block","title":"Yokogawa ATK4A-00 CENTUM Dual-Redundant Analog Terminal Block","description":"\u003ch2\u003eYokogawa ATK4A-00 CENTUM \/ ProSafe-RS Series Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ATK4A-00\u003c\/strong\u003e serves as the primary \u003cstrong\u003eATK4A\u003c\/strong\u003e Analog Terminal Block utilized to execute structured wiring and signal termination across CENTUM VP and ProSafe-RS platforms. The hardware establishes direct physical connection pathways for up to 16 isolated channels, supporting dual-redundant deployment topologies for mission-critical industrial loops. By deploying discrete terminal routing paths, the assembly routes raw field variables into the matching system input\/output processing modules without signal distortion.\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\u003eATK4A-00\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e65.6 mm x 72 mm x 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Terminal Blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 channels (Supports dual redundancy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Support\u003c\/td\u003e\n\u003ctd\u003e4-20 mA analog loops, HART devices, FOUNDATION Fieldbus, Profibus PA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Base\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-2 EMC standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Instrumentation Interface \u0026amp; Logic Attributes\u003c\/h3\u003e\n\u003cp\u003eThe interface assembly implements dedicated channel-to-channel isolation infrastructure engineered to mitigate localized loop crosstalk inside dense electrical cabinets. The physical backplane trace geometry accommodates the 4-20 mA HART loop protocol alongside high-frequency digital communication signals, enabling transparent data pass-through for FOUNDATION Fieldbus and Profibus PA field instruments. Additionally, the unit incorporates dedicated reference nodes that support cold junction compensation (CJC) processing loops when external thermocouple sensors interface directly with the pressure-clamp terminal array, eliminating environmental temperature tracking errors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the dual-redundant circuit architecture inside the terminal block manage a sudden signal failure on one transmission line?\u003c\/p\u003e\n\u003cp\u003eA: The passive internal design provides separate parallel physical routing paths for two independent I\/O cables. If one module interface cable experiences an open circuit or physical detachment, the second redundant line continues to maintain uninterrupted loop current flow, preventing control system downtime.\u003c\/p\u003e\n\u003cp\u003eQ: Can this terminal block assembly accept direct power distribution inputs up to its maximum 10 A rating?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the heavy-duty pressure-clamp connections and trace copper density allow the unit to handle up to 10 A total rated current at 24 VDC. Installers must size the field delivery conductors appropriately to match load requirements and avoid localized thermal accumulation.\u003c\/p\u003e\n\u003cp\u003eQ: What method is used to integrate transient voltage protection into this particular base model?\u003c\/p\u003e\n\u003cp\u003eA: The hardware architecture accommodates optional add-on EMC surge absorbers directly across the primary bus links. These components clamp transient spikes caused by inductive switching or external surges before the electrical energy can enter the connected I\/O processing cards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Attachment:\u003c\/strong\u003e Snap the terminal block base firmly onto the standard metallic DIN rail track, verifying that the integrated spring chassis grounding clip makes clean metal-to-metal contact with the rail to establish a stable reference ground path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Wire Shield Matrix:\u003c\/strong\u003e Connect all instrument cable outer shields to a single, dedicated external grounding bus bar prior to entering the terminal matrix. Do not terminate raw shield drain wires directly into the signal pressure clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparation of Signal Conductors:\u003c\/strong\u003e Enclose the low-voltage 4-20 mA analog input cables inside separate wireways, ensuring a minimum spatial clearance of 200 mm from high-voltage AC distribution circuits or motor drive conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure-Clamp Tension Verification:\u003c\/strong\u003e Strip field conductor insulation according to the specified depth and tighten the pressure clamps securely, preventing micro-disconnections or increased loop resistance caused by typical industrial high-vibration environments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43660841975898,"sku":"ATK4A-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/549_9c179b19-a87f-4ca7-8554-cbd5c0242492.jpg?v=1784085288","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-atk4a-00-centum-dual-redundant-analog-terminal-block","provider":"SpareOil Automation","version":"1.0","type":"link"}