Product Description

Overview

The Emerson Ovation 1C31116G04 is a high-performance analog input personality module engineered for the Ovation Distributed Control System (DCS). Designed for precise low-voltage measurements, it serves as a reliable interface between field sensors and Ovation electronics modules. Its integrated cold junction temperature sensor enables accurate thermocouple readings under varying ambient conditions.

Technical Specifications

Channels and Inputs

• 8 independent analog input channels

• Accepts low-level voltage signals (±20 mV or ±50 mV typical for thermocouples)

• Compatible with Ovation thermocouple and voltage input electronics modules

Cold Junction Compensation (CJC)

• Built-in temperature sensor IC for terminal block monitoring

• Optimized for use with terminal block covers (e.g., 1C31207H01) to maintain thermal uniformity

• Ensures high-precision temperature measurement in industrial environments

Signal Processing and Resolution

• Works with Ovation electronics modules to convert analog millivolt signals to digital data

• Integrated noise filtering maintains signal fidelity in electrically noisy plant conditions

Environmental and Physical Properties

• Compact plug-in design for Ovation I/O bases

• Operating temperature: 0°C to 60°C (32°F to 140°F)

• Humidity tolerance: 5%–95%, non-condensing

• Industrial-grade construction for harsh environments

• Supports hot-swappable replacement in compatible base configurations

Applications

• Continuous temperature monitoring in power generation equipment

• Feedback loops in water treatment and chemical processing

• Integration with pressure, flow, and voltage sensors for process control

• Compatible with Ovation control stations and operator workstations for seamless DCS integration

FAQ

Q: Can the module be replaced without shutting down the system?
A: Yes, the module supports hot-swapping if the base configuration allows it.

Q: What types of sensors are compatible?
A: Primarily thermocouples and low-voltage analog sensors.

Q: Is it suitable for harsh industrial environments?
A: Yes, it is built to withstand typical plant conditions, including temperature fluctuations and electrical noise.

Comparison with Similar Modules

Compared to other Ovation analog input modules, the 1C31116G04 integrates cold junction compensation on-board, providing superior thermocouple accuracy and simplified installation versus models requiring external CJC solutions.

Specification Table