Product Overview

The Emerson 1C31222G01 (referenced by assembly 5A26458G05) is a heavy-duty Relay Output Base designed for high-availability control architectures within the Ovation and Fisher automation ecosystems. This module serves as the primary physical and electrical interface for discrete output signals, providing robust mechanical relay switching to drive high-power field actuators, motors, and isolation valves. Engineered to act as a bridge between sensitive low-voltage control logic and high-energy field equipment, the 1C31222G01 ensures electrical isolation and high-integrity signal execution. Its substantial build quality and USA-based manufacturing focus on long-term thermal stability and vibration resistance, making it a cornerstone for reliability in critical process safety and power generation systems.

Hardware Parameters and Build Specifications

• Model Number 1C31222G01

• Assembly Reference 5A26458G05

• Module Architecture Relay Output Base / Terminal Interface

• Control System Lineage Emerson Ovation / Fisher DCS

• I/O Logic Support Integrated relay contacts for discrete switching

• Physical Mass 1.66 kg

• Module Dimensions 42.2 cm x 12.4 cm x 8.2 cm

• Isolation Grade High-level galvanic isolation between logic and field circuits

• Manufacturing Origin USA

• Customs Code HS 8537101190

• Reliability Features Built-in diagnostic pathways for circuit monitoring

Strategic Industrial Implementations

The 1C31222G01 5A26458G05 is a high-reliability component utilized in demanding B2B industrial infrastructures:

Power Plant Utility ControlManaging heavy-duty switchgear and motor control centers (MCCs) where the Ovation system requires a robust relay interface to handle high-current inductive loads.

Safety-Related Discrete SwitchingExecuting binary commands for isolation valves and emergency sirens within process safety systems where failure-to-operate is not an option.

Industrial Pump and Fan SequencingInterfacing with high-voltage starters in water treatment or mining operations, providing a rugged physical barrier between the field environment and the control CPU.

DCS Infrastructure Life-ExtensionWhile several legacy Fisher and Ovation series have reached end-of-life status, this "Brand New" stock allows facilities to replace faulty output bases without the need for expensive cabinet rewiring.

Remote Interface Units (RIUs)Serving as a high-density output termination point in distributed I/O racks, facilitating clean wiring and centralized diagnostic feedback for maintenance crews.