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Emerson AMS 6500 A6140 Shaft Runout and Phase Reference Monitoring Card

Product Description

Machinery Health Integrity Overview

The A6140 (Model: A6140) is a specialized dual-channel monitoring module engineered for the Emerson AMS 6500 Machinery Health Monitoring System. It is designed to provide high-precision measurements of shaft eccentricity (runout) while simultaneously generating a stable phase reference signal required for synchronous vibration analysis. By interfacing directly with eddy-current proximity probes, the A6140 (Part Number: A6140) enables the early detection of mechanical anomalies such as bent shafts, thermal bowing, misalignment, or internal rubs. This card is a critical component for the protection of high-speed rotating assets, including steam and gas turbines, centrifugal compressors, and large-scale industrial pumps.

Detailed Technical Specifications

The A6140 (A6140) provides the following industrial-grade technical parameters for continuous condition monitoring:

• Manufacturer: Emerson (formerly EPRO/Philips)

• Model Designation: A6140

• Monitoring Channels: 2 Independent Channels (Configurable for Eccentricity or Phase)

• System Integration: AMS 6500 Machinery Health Monitor (3U Rack)

• Sensor Compatibility: Eddy-current proximity probes (PR6422, PR6423, PR6424, PR6425)

• Signal Drivers: Compatible with CON 011/021/041 series drivers

• Measurement Range: ±2 mm to ±5 mm (Hardware/Probe dependent)

• Signal Frequency Response: DC to 1 kHz (for displacement data)

• Measurement Accuracy: ±0.25% of full scale

• Signal Resolution: 0.001 mm (1 micron)

• Phase Reference Output: TTL/Logic compatible signal for tachometer synchronization

• Analog Interface: 0/4–20 mA proportional DC outputs

• Buffered Dynamic Outputs: Front-panel BNC and rear-terminal buffered raw signals

• Isolation Protection: Channel-to-channel and channel-to-backplane galvanic isolation

• Power Supply: +24 V DC nominal (via AMS 6500 backplane)

• Power Consumption: 6 W Typical

• Environmental Limits: –40°C to +70°C operating range; 5–95% non-condensing humidity

• Physical Format: 3U Eurocard plug-in module

• Weight: 0.85 kg