Emerson Ovation 1C31204G01 Remote Node Personality Module

Product Overview

The Emerson 1C31204G01 Remote Node Personality Module enables reliable communication between controllers and remote I/O nodes. It provides fiber-optic connections designed for 850 nm optics, which ensures efficient transmission of messages over long distances up to 2 km. In addition, the module includes an RS-232 diagnostic port that allows engineers to monitor communication performance and troubleshoot issues quickly.

This module actively monitors the +24V redundant power supplies. Whenever a primary or backup supply fails, the 1C31204G01 immediately reports the fault to the electronics module, which helps maintain high system availability. With its robust construction and compact design, the module integrates seamlessly into PLC and machine control environments.

Key Features

• Supports fiber-optic communication for remote I/O messaging.
• Provides connectors optimized for 850 nm optical media.
• Includes RS-232 diagnostic port for monitoring and testing.
• Monitors dual +24V redundant power supplies continuously.
• Reports power supply faults to ensure fast corrective action.
• Designed for long-distance communication up to 2 km.

Technical Specifications

Origin, Dimensions, and Weight

• Country of Origin: USA
• Net Weight: 0.45 kg (1 lb)
• Shipping Weight: 2 kg
• Compact size allows flexible installation in control cabinets

Applications

The Emerson 1C31204G01 is widely used in distributed control systems that require dependable long-distance communication. Power plants rely on it to connect remote nodes with central controllers. Refineries and chemical plants use the module to monitor redundant power supplies and maintain safe operation. Furthermore, manufacturing environments integrate the module into PLC networks to enhance diagnostic capabilities and reduce downtime.

Compatibility and Integration

As part of Emerson’s Ovation™ and Westinghouse process control families, the 1C31204G01 works seamlessly with existing installations. Engineers can integrate it into current systems without modifications, which makes it an ideal replacement for legacy components. Its diagnostic features and fault reporting enhance overall system reliability.

Installation and Environment

You can install the 1C31204G01 easily in rack-mounted configurations. The RS-232 diagnostic port simplifies testing during commissioning. Moreover, its fiber-optic interface provides resilience against electrical noise, which is essential in heavy industrial environments. With dual power monitoring, the module delivers continuous reliability even under demanding operating conditions.

Lifecycle Information

Although Emerson discontinued the 1C31204G01, it remains an important part of many industrial automation systems. Facilities continue to source refurbished or surplus modules to extend equipment life cycles. Additionally, compatible models in the Emerson Ovation series can serve as reliable alternatives, which ensures long-term system support.