Emerson A6140 9199-00058 AMS 6500 Thrust Bearing Protection Ovation DCS

The Emerson A6140 9199-00058 is a specialized monitoring module designed to safeguard the most vital components of your turbine and compressor trains. As a key part of the AMS 6500 Machinery Health Monitor, this module provides continuous, high-precision surveillance of thrust bearing differential expansion, integrating seamlessly with the Ovation Distributed Control System (DCS) to prevent catastrophic failures and unplanned downtime .

What is the Emerson A6140 9199-00058?

The Emerson A6140 9199-00058 is a dual-channel thrust bearing differential expansion monitor. It is engineered for the rigorous demands of the CSI 6500 Machinery Health Monitor system, a platform fully compliant with the API 670 standard for machinery protection . Its primary function is to provide real-time, accurate data on the axial position and movement of a machine's rotor within its thrust bearing, a critical parameter for large rotating equipment like steam turbines, gas turbines, and axial compressors .

Unmatched Integration with Ovation DCS

What sets the A6140 apart is its native ability to become a seamless extension of your control system. Emerson has engineered a powerful integration between the CSI 6500 protection system and the Ovation DCS . Through the AMS Suite: Machinery Health Manager software, critical machinery data—including differential expansion values and sensor health status from the A6140—can be automatically scanned, selected, and imported directly into the Ovation database .

This integration transforms raw data into actionable intelligence:

Operator Awareness: Vibration values and alarm conditions are displayed directly on Ovation turbine graphics and alarm screens, giving operators immediate insight into the mechanical state of their assets .

Simplified Integration: This automated process replaces complex, manual Modbus mapping, reducing integration time from days to just minutes and eliminating potential points of error .

Predictive Maintenance: By combining protection with predictive diagnostics, maintenance teams can identify and resolve thrust-bearing issues long before they lead to process interruptions .

Key Technical Specifications

The A6140 9199-00058 is built for precision and reliability in industrial environments. Verified specifications include:

Manufacturer: Emerson Process Management

Part Number: A6140 / 9199-00058

System Compatibility: AMS 6500 (CSI 6500) Machinery Health Monitor, Ovation DCS, PlantWeb® digital architecture .

Product Type: Dual-Channel Thrust Bearing Differential Expansion Monitor .

Input Channels: 2 independent channels .

Sensor Compatibility: Linear Variable Differential Transformers (LVDT) .

Typical Measurement Range: ±2.5 mm (±0.1 inches) .

Accuracy: ±0.5% of full scale .

Resolution: 0.01 mm (0.0004 inches) .

Alarm Settings: 2 programmable alarms per channel (Warning and Danger) .

Power Supply: +24 V DC (from CSI 6500 chassis backplane) .

Operating Temperature: -20°C to +65°C (-4°F to +149°F) .

Mounting: Pluggable module for CSI 6500 monitor chassis .