Description
The OVATION 5X00225G01 is a Safety I/O Termination Board engineered by Emerson for OVATION Safety Instrumented Systems (SIS), providing certified signal interfacing for critical safety loops in nuclear, power generation, and hazardous process industries. Designed for SIL 3 (IEC 61508) applications, this board enables secure connection between redundant safety controllers (e.g., OVATION 1C31219G01) and field devices like emergency shutdown valves or fire/gas detectors. The 5X00225G01 features dual-channel isolation with 2,500 VAC dielectric strength, preventing fault propagation between safety and non-safety circuits. Its gold-plated contacts and corrosion-resistant PCB ensure signal integrity for decades in harsh environments. Integrated test point access allows functional safety validation without disconnection, while tamper-proof labeling complies with nuclear quality standards (ASME NQA-1).

OVATION 5X00225G01
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 5X00225G01 |
| Manufacturer | Emerson (OVATION) |
| Product Type | Safety I/O Termination Board |
| Compatibility | OVATION SIS Controllers (e.g., 1C31219G01) |
| Isolation Voltage | 2,500 VAC (Channel-to-Channel) |
| Contact Rating | 1 A @ 125 VDC (Gold-Plated) |
| Signal Types | DI/DO (Dry Contact, Namur), AI (4-20mA HART) |
| Terminal Type | Screw Clamp (0.2–2.5 mm²) |
| Safety Certification | SIL 3 (IEC 61508), TÜV Rheinland |
| Environmental Rating | Conformal Coated (IPC-CC-830B) |
| Operating Temperature | -40°C to +85°C |
| Humidity Resistance | 0–95% non-condensing |
| Installation | DIN-Rail or Panel Mount |
| Dimensions | 220 x 130 x 40 mm (W x H x D) |
Main Features and Advantages
Safety-critical design: Dual-redundant signal paths with cross-wire detection prevent common-cause failures. The OVATION 5X00225G01’s galvanic isolation exceeds ANSI/ISA 84.00.01 requirements, ensuring <1e>
Enhanced diagnostics: Built-in test circuits verify wiring integrity (open/short) before safety function execution. Color-coded terminals and field-proven labeling reduce wiring errors by 90% during commissioning.
Lifecycle efficiency: Hot-swappable modules allow replacement during operation. The board’s corrosion-resistant nickel-plated busbar maintains <5>
Application Field
The OVATION 5X00225G01 serves ultra-critical safety functions:
Nuclear: Interfaces reactor trip signals (neutron flux monitors, coolant level switches) per IEEE 603.
Power Generation: Connects turbine overspeed sensors (≥110% trip point) and boiler MFT (Master Fuel Trip) circuits.
Oil & Gas: Terminates ESDV (Emergency Shutdown Valve) proof-of-closure switches in SIL 3 HIPPS systems.
Chemical: Hardwires toxic gas detectors for instant deluge system activation.
In LNG facilities, it survives cryogenic temperatures (-55°C) while maintaining safety loop integrity.

OVATION 5X00225G01
Related Products
5X00226G01: Complementary Safety Analog Input Termination Board.
1C31219G01: OVATION SIS Controller (redundant pair).
5X00086G01: Safety Logic Solver Chassis.
5X00103G01: Safety Communication Module.
1C31227G02: Redundant Power Supply for SIS cabinets.
5X00228G01: Digital Output Termination Board.



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