Foxboro P0916NG I/A Series Isolated Digital Output Termination Assembly

Product Brief Introduction The Foxboro P0916NG is a field termination assembly belonging to I/A Series distributed control system. It serves as physical interface between FBM242 digital output module and field site equipment, provides reliable compression‑type wiring terminals for discrete output signals, implements channel‑to‑channel galvanic isolation, supports high‑current inductive load driving, and protects I/O module circuit from field surge and over‑current damage. It is widely deployed for discrete control loops under harsh petrochemical and power plant environments.
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Technical Specifications Output Channel Quantity: 16 isolated output channels Per‑channel Maximum Load Current: 2.25 A Maximum Inrush Current: 8 A for 20 ms at 30 ℃, 6.4 A for 20 ms at 70 ℃ Off‑state Leakage Current: Max 0.1 mA On‑state Voltage Drop: Max 0.2 V at 2.25 A load Channel‑to‑Ground Withstand Voltage: 600 VAC one minute isolation rating Signal Wiring Type: Two‑tier compression termination for 24‑AWG copper cable Backplane Bus: Redundant 2 Mbps module fieldbus interface Operating Power Supply: 24 VDC from system backplane Operating Temperature: ‑40 ℃ to +70 ℃ Storage Temperature: ‑50 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Standard rack‑mount termination assembly matched for I/A Series chassis Certifications: CE, UL, ATEX, IEC 61508 functional safety compliance

Functional Features Supports 16‑channel isolated discrete output signal termination and wiring connection. Compression‑type terminal structure guarantees stable wire connection without screw loosening risk. Full galvanic isolation between each channel and ground, cross‑channel isolation capability.

Application Scenarios Process industry distributed control system(DCS). Petrochemical plant solenoid valve and relay drive termination loops. Oil & gas site safety interlock discrete output wiring interface. Chemical plant reactor auxiliary equipment on‑off control signal termination.

Structural Characteristics Two‑tier compression termination assembly structure matched for I/A series rack installation. Front side compression wiring terminals for convenient field cable access and maintenance. Back‑end matching connector for docking with FBM242 core I/O module.

Working Principle Digital output control signals from FBM242 main module are transmitted to P0916NG termination assembly through back‑end matching connector. Internal isolation circuit completes electrical separation between module circuit and field load circuit.

Installation Requirements Install the termination assembly into designated position of Foxboro I/A Series standard rack, and complete reliable docking with FBM242 main module.




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