Overview

The EPRO MMS 6110 is a Dual Channel Shaft Vibration Monitor designed for precise monitoring of shaft vibration in industrial machinery. It is ideal for applications in turbines, compressors, and other rotating equipment.

Technical Specifications

• Sensor Inputs:

  • Two independent inputs for eddy-current type sensor systems
  • Differential type, galvanically separated from the power supply
  • Input Resistance: >100 kOhm
  • Input Voltage Range: 0 to -22 V DC
  • Input Frequency Range: 0.5 to 2000 Hz

• Measuring Ranges:

  • Continuously adjustable with configuration software
  • Smallest range: 0 to 400 mV
  • Largest range: 0 to 8000 mV

• Sensor Supply:

  • Separate buffered sensor supply output for each of the two sensor input channels
  • Nominal Voltage: -28 V DC
  • Available Current: Nominal 20 mA / Maximum 35 mA

• Measuring Modes:

  • Configurable via RS232 connector or communication bus
  • Measuring modes can be changed during operation (function interrupted for approx. 15 sec)
  • Galvanically separated outputs, open and short-circuit proof

• Control Inputs:

  • Common logic binary inputs for both channels
  • Mode selection: alert/make or break, danger/make or break
  • Channel or module inhibit
  • Measuring range multiplication: adjustable with a factor of 1.0000 to 4.9999

• Measurement Types:

  • Relative radial shaft vibration (horizontal or vertical)
  • Radial shaft displacements (radial shaft position)

• Keypulse Input:

  • 1 pulse per revolution for system control (required for order analysis purposes)
  • 24 V logic
  • Input Resistance: >10 kOhm
  • Pulse Duration: Minimum 10 µsec (slope triggering)

• Voltage Inputs:

  • Two inputs, one for each channel, for FFT applications
  • Voltage Range: 0 to 10 V
  • Input Resistance: >100 kOhm
  • Resolution: 10 bit

• Power Supply:

  • Redundant supply input via two supply inputs, decoupled via diodes
  • Supply Voltage: 18 to 31.2 V DC according to IEC 654-2, class DC4
  • Power Consumption: Maximum 6 W (max. 250 mA at 24 V)

• Environmental Conditions:

  • Protection Class:
    • Module: IP00 (DIN 40050)
    • Front Plate: IP21 (DIN 40050)
  • Operating Temperature Range: 0 to +65°C
  • Storage and Transport Temperature Range: -30 to +85°C
  • Relative Humidity: 5 to 95%, non-condensing
  • Vibration Resistance: IEC 68-2, part 6 (0.15 mm in range 10-55 Hz, 16.6 m/s² in range 55-150 Hz)
  • Shock Resistance: IEC 68-2, part 29 (peak acceleration 98 m/s², nominal shock duration 16 ms)
  • EMC Resistance: EN50081-1 / EN50082-2

• Physical Dimensions:

  • PCB/EURO card format: DIN 41494 (100 x 160 mm)
  • Width: 30.0 mm (6 TE)
  • Height: 128.4 mm (3 HE)
  • Length: 160.0 mm
  • Net Weight: Approx. 320 g

• Space Requirements: 14 modules (28 channels) fit into each 19" rack