Overview

The EPRO MMS 6312 is a dual-channel rotational speed monitor designed for precise measurement and monitoring of rotational speed using various pulse sensors.

Technical Specifications

• Sensor Inputs:

  • Two independent differential inputs for pulse sensors, compatible with EPRO's eddy-current type sensor systems PR 6422/. to PR 6425/.., PR 9376/, PR 6453/, or any other matching sensor system.

• Available Sensor Supply:

  • Each of the two sensor input channels has a separate buffered sensor supply voltage.

• Measuring Ranges:

  • Nominal voltage: 0...20 kHz configurable to max. 65,535 RPM

• Control Inputs:

  • Common logic binary input for both channels to reset latched alarms
  • Logic binary input to select the output optocoupler mode
  • Logic binary input to inhibit alarms
  • Minimum input level for automatic tracing: 2V

• Input Voltage Range:

  • 0 ± 27.3 V DC
  • Max permissible input voltage range: 0...30 V, ±26.75 V DC

• Output Current:

  • Available current: Nom. 20 mA / Max. 35 mA

• Input Frequency Range:

  • 0...20,000 Hz

• Dimensions:

  • PCB/EURO card format according to 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
  • Gross weight: Approx. 450 g (including standard export packing)
  • Packing volume: Approx. 2.5 dm³
  • Space requirements: 14 modules (28 channels) fit into each 19" rack

• Environmental Conditions:

  • Protection class: Module: IP 00 according to DIN 40050
  • Front plate: IP21 according to DIN 40050
  • Permissible relative humidity: 5...95%, non-condensing
  • Permissible shock: According to IEC 68-2, part 29
    • Peak value of acceleration: 98 m/s²
    • Nominal shock duration: 16 ms according to DIN 40040 class KTF
  • Permissible vibration: Vibration amplitude: 0.15 mm in range 10...55 Hz
  • Vibration acceleration: 16.6 m/s² in range 55...150 Hz
  • Climate conditions: Operating temperature range: 0...+65°C
  • Temperature range for storage and transport: -30...+85°C