CF-measuring amplifier MBI 46.51.

Universal CF measuring amplifier for operation of inductive LVDT and LVIT transducers
  • Robust circuitry proven in harsh industrial environments
  • Suitable for almost all LVDT and LVIT transducers
  • Wide adjustment range for gain, zero-offset and phase compensation
  • Simple adjustment via jumpers and trim potentiometer
  • Both 0...10V and 4...20mA signal output as standard
  • Rugged die cast aluminium field housing IP65
  • Easy installation due to external mounting holes
  • Fast and safe installation due to robust spring terminals
  • Safe during installation / operation due to encapsulated circuit board

Important features

  • Supply voltage: +24 VDC (9 .... 36 VDC)
  • Carrier frequency: 5 kHz (10 kHz / 20 kHz)
  • Output signal: 0...10 VDC / 4 ... 20 mA
  • Type: Cast aluminum housing with cable gland

Technical data

     
Linearity   < 0,1 % FSO
Carrier frequency   5 kHz ±5 % (sine); optional: 10kHz / 20 kHz
Dynamic range   500 Hz (±3 dB) for 5 kHz carrier frequency
Supply voltage (primary)   approx. 2 Vrms at 5 kHz, sinusoidal; max. 12 mArms
Input resistance (secondary)   approx. 100 kΩ
Output signal   4 ... 20 mA, load < 500 Ω  and  0...10 VDC, load resistance > 10 kΩ
Noise level and residual carrier voltage   < 5 mVrms
Temperature coefficient of zero-value   < 0,10 % / 10 K at 100 mV/V
< 0,15 % / 10 K at 20 mV/V
Temperature coefficient of gain   < 0,05 % / 10 K at 100 mV/V
< 0,15 % / 10 K at 20 mV/V
Operating temperature   -30 ... 70 °C
Storage temperature   -30 ... 85 °C
Electromagnetic compatibility   DIN EN 61326-1
Electrical safety   DIN EN 61010-1

Field housing

   
Supply voltage 10 ... 36 VAC
Power consumption
max. 60 mA @ 24VDC
Electrical connection 2 cable glands IP68 (power supply/output signal and sensor)
spring-loaded terminals inside
Dimension approx. W 115 x H 34,5 x D 64 mm
Weight
approx. 0,3 kg
Protection (DIN 40050)
IP 66

Suitable sensors

   
Inductive full-bridge differential transformers (LVDT) Inductive full bridge (4-wire)
Inductive half-bridge (LVIT) and long stroke transducers (eddy current) Inductive half bridges (3-wire)
Rated output
20 ... 740 mV/V
Input impedance
100 ... 1000 Ω

Model list

Product code Design Supply Output Signal
MBI 46.51.39 Field housing +24 VDC 0 ... 10 V / 4 ...20 mA
MBI 46.52.39 DIN rail mounting +24 VDC 0 ... 10 V / 4 ...20 mA
Options Order code
other carrier frequencies  10kHz / 20 kHz /... kHz

Downloads

icon-pdf-blueProduct data sheet

icon-pdf-blueInstallation / operating instructions

Accessories

accessory teaser image

Accessory

View product