{"product_id":"yokogawa-sea4d-11-prosafe-rs-sil3-analog-terminal-board","title":"Yokogawa SEA4D-11 ProSafe-RS SIL3 Analog Terminal Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSEA4D-11\u003c\/strong\u003e is a \u003cstrong\u003eSIL3-compliant analog terminal board with integrated surge absorber\u003c\/strong\u003e for the \u003cstrong\u003eYokogawa ProSafe-RS Safety Instrumented System\u003c\/strong\u003e. It provides the same 32-point high-density analog termination as the SEA4D-01 but adds \u003cstrong\u003ebuilt-in surge protection\u003c\/strong\u003e to clamp transient overvoltages at the field wiring boundary, making it ideal for installations in electrically harsh or lightning-prone environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Yokogawa ProSafe-RS SIS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e SIL3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 16 × 2 (32 points total)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Type:\u003c\/strong\u003e Analog (input\/output)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e M4 screw terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurge Protection:\u003c\/strong\u003e Integrated surge absorber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWithstand Voltage:\u003c\/strong\u003e 500 V AC for 1 minute\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Resistance:\u003c\/strong\u003e ≥ 100 MΩ (at 500 V DC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Modules:\u003c\/strong\u003e SAI143, L1AI143, SAV144, L1AV144, SAI533, L1AI533\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Cable:\u003c\/strong\u003e KS1 cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.5 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Surge Absorption:\u003c\/strong\u003e Built-in surge absorber clamps transient energy at the termination boundary, limiting overvoltage propagation toward back-end I\/O electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSIL3 Safety Compliance:\u003c\/strong\u003e Certified hardware chain maintains loop integrity for critical safety applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32-Point Density:\u003c\/strong\u003e Dual 16-channel configuration reduces physical board count in safety cabinets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure M4 Terminations:\u003c\/strong\u003e Screw-type terminals provide higher pull-out resistance than clamp types for analog safety signals.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the surge absorber rating?\u003c\/strong\u003e\u003cbr\u003eA: The integrated surge absorber is designed to handle typical industrial transients. For specific discharge current capacity, refer to the ProSafe-RS system manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace a SEA4D-01 with a SEA4D-11 in an existing system?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the SEA4D-11 is mechanically and electrically compatible with the SEA4D-01. The surge absorber adds protection without requiring system reconfiguration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the surge absorber require maintenance?\u003c\/strong\u003e\u003cbr\u003eA: The surge absorber is a passive component with no moving parts. It does not require periodic maintenance but should be inspected after major electrical events.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the board in a \u003cstrong\u003e19-inch rack\u003c\/strong\u003e with adequate clearance for field wiring.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003eKS1 cables\u003c\/strong\u003e from the ProSafe-RS I\/O module to the board.\u003c\/li\u003e\n  \u003cli\u003eTerminate field wiring with \u003cstrong\u003eM4 ring terminals\u003c\/strong\u003e and torque to specification.\u003c\/li\u003e\n  \u003cli\u003eRoute signal cables away from high-voltage AC lines to prevent induced noise.\u003c\/li\u003e\n  \u003cli\u003eVerify insulation resistance at 500 VDC after full disconnection from I\/O modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Noise:\u003c\/strong\u003e Select SEA4D-11 for plants with frequent electrical storms, heavy motor loads, or welding operations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpare Strategy:\u003c\/strong\u003e Standardize on SEA4D-11 across all safety cabinets to simplify spare parts inventory and eliminate surge protection decision-making.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Proper cabinet earth grounding is essential for the surge absorber to function effectively. Verify ground bus integrity before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53984814006456,"sku":"SEA4D-11","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/SEA4D-11_1__._dcc9da38-38bb-4f4f-83f1-81d396ecab20.png?v=1787726728","url":"https:\/\/www.globalpetroparts.com\/products\/yokogawa-sea4d-11-prosafe-rs-sil3-analog-terminal-board","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}