Emerson EPRO A6140 Dual-Channel Shaft Absolute Vibration Monitor

Description

The A6140 module is part of Emerson's AMS 6500 Machinery Health Monitor system, providing high reliability and compliance with API 670 standards for machinery protection. It is suitable for steam turbines, gas turbines, compressors, and hydro turbines.

Specifications

• Channels: Two independent or combined monitoring modes.

• Input Types: Eddy current, seismic, or piezoelectric sensors.

• Input Voltage Range:

  • Channel 1: -1 to -23 VDC.

  • Channel 2: -5 to +15 VDC.

• Frequency Range: Adjustable lower cutoff (1 Hz or 5 Hz) and upper cutoff (50 Hz to 2,000 Hz).

• Sensor Power Supply:

  • Channel 1: -26.7 VDC nominal, 20 mA (maximum 35 mA).

  • Channel 2: Constant current, 0–8 mA, 30 VDC.

• Dimensions: Width 30 mm, Height 128.4 mm, Length 160 mm.

• Weight: Approximately 320 g (net), 450 g (gross with packing).

Features

• API 670 Compliance: Meets industry standards for machinery protection.

• Hot Swappable: Can be replaced without shutting down the system.

• Dual-Channel Monitoring: Supports independent or combined modes for versatile applications.

• Advanced Analysis: Configurable parameters for measuring range, RMS, zero-to-peak, and peak-to-peak sensitivity.

• Durable Design: Built to withstand harsh industrial environments.

• Compact Size: Optimized for space-saving installations.