Product Overview

The Emerson 1C31116G02 is a high-precision Analog Input Module engineered for advanced process monitoring within the Ovation and DeltaV SIS (Process Safety System) architectures. This module is specifically designed to bridge the gap between field instrumentation and the central control processor, converting variable analog signals into digitized data for real-time analysis. Built to handle mission-critical safety and control functions, the 1C31116G02 ensures that process variables—such as temperature, pressure, and flow—are captured with superior accuracy and deterministic speed.

By utilizing hardware hardened for industrial stressors, this module supports the high-availability requirements of modern energy management and heavy manufacturing facilities. Although discontinued by the manufacturer as of late 2018, it remains a vital component for maintaining and extending the lifecycle of existing legacy DCS infrastructures.

Technical Specifications

• Manufacturer: Emerson (Westinghouse/Fisher-Rosemount)

• Model Number: 1C31116G02

• Module Type: Analog Input (AI) / Machine Control Module

• System Compatibility: Ovation DCS / DeltaV SIS

• Input Signal Support: Standard Analog Current/Voltage Ranges

• Mounting: Rack or Baseplate Integrated

• Condition: Brand New (New Old Stock)

• Weight: 0.6 kg

• Dimensions: 12.1 x 2.5 x 7.0 cm

• Origin: USA

Key Technical Characteristics

• High-Resolution Signal Processing: The 1C31116G02 employs advanced Analog-to-Digital (A/D) conversion technology, ensuring that subtle process fluctuations are detected and reported to the control logic with minimal error margins.

• Redundancy and Safety Integrity: Fully compatible with the DeltaV SIS framework, this module supports safety-instrumented functions. It is designed to operate in redundant configurations to prevent single-point failures in critical safety loops.

• Industrial Grade Durability: The module's circuitry is protected against the thermal and electrical noise common in high-voltage environments. Its robust physical build minimizes the impact of mechanical vibration, prolonging the MTBF (Mean Time Between Failures).

• Seamless System Synchronization: Engineered for direct integration with Emerson's proprietary communication backplanes, the 1C31116G02 offers "plug-and-play" functionality within its native DCS environment, simplifying module replacement and system expansion.

• Enhanced Diagnostics: Integrated self-test routines allow the module to report internal health status and signal discrepancies to the operator console, enabling proactive maintenance before a failure impacts production.

• Optimized Power Management: The internal architecture is optimized for low power consumption, reducing the thermal load on the system rack and improving the efficiency of the overall control cabinet.

Primary Applications

The Emerson 1C31116G02 is a standard solution for:

• Power Generation & Utilities: Precise monitoring of boiler and turbine analog sensors in Ovation-based systems.

• Oil & Gas Processing: Safe signal acquisition in emergency shutdown (ESD) and fire and gas (F&G) systems.

• Chemical Manufacturing: Reliable tracking of hazardous process variables in safety-rated environments.

• Water Treatment Facilities: Scalable analog control for distributed pumping and filtration networks.