5X00121G01 – Emerson Ovation 8-Channel RTD Input Module
Overview
The 5X00121G01 is a high-precision 8-channel RTD (Resistance Temperature Detector) input module developed by Emerson for the Ovation distributed control system (DCS), specifically tailored for power industry applications. As a dedicated temperature sensing module, it is engineered to acquire and process signals from RTD sensors, converting resistance changes caused by temperature variations into digital data for system-level monitoring and control. This module must be used in conjunction with the 5X00119G01 electronic module and is not compatible with CE-certified systems. With Emerson’s Ovation system’s inherent high reliability and fast scanning speed, it excels in harsh industrial environments of thermal power, hydropower, nuclear power, and other critical infrastructure, providing accurate temperature data for turbine, boiler, and generator control.
Technical Specifications
Brand & Manufacturer
Produced by Emerson, a global leader in industrial automation and process technologies. The Ovation DCS series, to which this module belongs, is specialized for the power industry and large critical infrastructure, featuring ultra-high scanning speed (1ms baseline), in-depth industry algorithm libraries, and excellent third-party device integration capabilities, trusted for ensuring continuous operation in power sector applications.
Model Number
Model: 5X00121G01, part of Emerson’s Ovation DCS I/O module family. The alphanumeric code denotes key attributes: 5X00 identifies the Ovation series I/O modules; 121G01 specifies the 8-channel RTD input configuration with dedicated signal conditioning. A critical note: this module requires pairing with the 5X00119G01 electronic module for normal operation and is not suitable for CE-certified systems. It is also referred to as Emerson Ovation 5X00121G01 RTD module in industrial documentation.
Physical Specifications
Dimensions
Adopting the standard form factor of Emerson Ovation I/O modules, the dimensions are approximately 130 mm × 80 mm × 150 mm (5.12 in × 3.15 in × 5.91 in). This compact design is optimized for installation in Ovation I/O racks, requiring alignment with the 5X00119G01 electronic module, enabling high-density integration with other Ovation control and I/O modules in power plant control cabinets.
Weight
Net weight is approximately 0.8 kg (1.76 lbs) without accessories, constructed with industrial-grade metal housing for mechanical robustness. When paired with the 5X00119G01 electronic module, the combined weight is about 1.2 kg. The gross weight with standard packaging is around 1.8 kg, facilitating easy handling during rack installation and maintenance.
Mounting & Housing
Designed for direct installation in Emerson Ovation I/O racks, utilizing a secure rail-and-latch mechanism compliant with Ovation system mechanical standards. The housing features an IP20 protection rating, suitable for controlled industrial environments such as power plant control rooms. Front-panel LED indicators provide visual status of module power, communication, and channel health, aiding in quick on-site diagnostics.
EMERSON 5X00121G01 PDF
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