Emerson 1C31203G01 Remote Node Controller

Product Overview

The Emerson 1C31203G01 Remote Node Controller plays a critical role in distributed control systems because it manages both message preparation and fiber-optic communication. It processes incoming signals from the remote I/O controller and immediately formats the responses for accurate transmission. At the same time, it provides a stable +5V supply that supports the connected modules, which ensures continuous and reliable operation.

Emerson designed the 1C31203G01 for industries that demand robust automation solutions. Moreover, Westinghouse Process Control also references this part number, which makes it a reliable choice for engineers who manage legacy control systems. With its compact size and proven performance, it easily integrates into PLC and machine control networks.

Key Features

• Handles communication efficiently between local I/O and remote controllers.
• Uses fiber-optic networks for fast and secure data transfer.
• Delivers regulated +5V power that stabilizes system operation.
• Offers a compact footprint, so installation remains flexible.
• Serves as a trusted replacement for Westinghouse legacy models.

Technical Specifications

Origin, Dimensions, and Weight

• Country of Origin: USA
• Net Weight: 0.45 kg (1 lb)
• Shipping Weight: 2 kg
• Compact form designed for space-efficient cabinet installations

Applications

Industries rely on the Emerson 1C31203G01 to maintain stable communication and system reliability. In power plants, it coordinates data between distributed controllers. In refineries, it supports continuous operation of safety-critical equipment. Moreover, oil and gas facilities benefit from its ability to manage remote monitoring and control tasks across fiber-optic networks. Manufacturing lines also integrate this controller to streamline machine control and reduce downtime.

Compatibility and Integration

The 1C31203G01 belongs to the Ovation™ and Westinghouse process control families, so it works smoothly with existing installations. Engineers can deploy this module as a direct replacement without modifying hardware. Consequently, it extends the lifecycle of legacy systems while ensuring compliance with modern control requirements.

Installation and Environment

You can install the 1C31203G01 easily in standard racks because of its compact size. The controller requires a steady power input to deliver a consistent +5V output. Furthermore, it performs best in industrial environments that maintain controlled temperature and humidity. Because of its rugged design, the module operates reliably for years while requiring minimal maintenance.

Replacement and Lifecycle Information

Although Emerson discontinued the 1C31203G01, many facilities still depend on it. Therefore, users can source refurbished or surplus units to maintain operational stability. Additionally, the Emerson Ovation family provides compatible alternatives, so engineers can upgrade systems without major re-engineering. This approach helps reduce downtime and protects long-term investments.