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CF measuring amplifier MBI 46.31.

Carrier frequency amplifier on eurocard PCB for operation of inductive transducers / LVDT sensors
  • Suitable for LVDT and LVIT
  • As eurocard PCB with and without front panel
  • Adjustable gain, zero offset and phase adjustment
  • Fine adjustment possible on site via potentiometer

Important features

  • Supply: +24 VDC / +230 VAC
  • Frequency: 5 kHz
  • Output signal: +10 V / 4 ... 20 mA
  • Type: EU card / EU card, front panel / EU card, terminal block

Technical data

     
Linearity   < 0,1 % FSO
Carrier frequency   5 kHz ±5 % (sine); optional 1 ... 20 kHz
Dynamic bandwidth   500 Hz (±3 dB); (max. 1/10 of the carrier frequency)
Excitation voltage (primary)   approx. 2 Vrms at 5 kHz, sinusoidal; max. 12 mArms
Input resistance (secondary)   approx.. 200 kΩ
Output signal   4 ... 20 mA, load < 500 Ω or ±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   0 ... 60 °C
Storage temperature   -25 ... 85 °C
Electromagnetic compatibility   DIN EN 61326-1
Electrical safety   DIN EN 61010-1

Euroboard

   
Supply voltage MBI 46.31.1y: ±15 VDC stabilised
MBI 46.31.3y: +20 ... +36 VDC
Power consumption max. 2 W
Electrical connection
mating connector required		 Connector according to DIN 41612, 32-pole male multipoint connector, Design C
32-pin female connector; special version: 16-pin terminal block
Dimension W x H x D
With front panel		 approx. 100 x 18 x 167 mm
approx. 35.3 x 128.4 mm (7 TE, 3 HE)
Weight 0,1 kg

Suitable sensors

   
Inductive differential transformers (LVDTs) in 4-wire technology
Differential choke (LVITs) and long travel transducers (eddy current technology) Inductive half bridges with 3-wire technology
Rated output
20 ... 600 mV/V
Input impedance
100 ... 1000 Ω

Model list

Product code Design Supply Output signal
MBI 46.31.11 Eurocard PCB without front panel, connector ±15 VDC ±10 V
MBI 46.31.12 Eurocard PCB without front panel, connector ±15 VDC 4 ... 20 mA
MBI 46.31.13 Eurocard PCB with front panel, connector ±15 VDC ±10 V
MBI 46.31.14 Eurocard PCB with front panel, connector ±15 VDC 4 ... 20 mA
MBI 46.31.15 Eurocard PCB without front panel, terminal block ±15 VDC ±10 V
MBI 46.31.16 Eurocard PCB without front panel, terminal block ±15 VDC 4 ... 20 mA
MBI 46.31.21 Eurocard PCB without front panel, connector 230 VAC ±10 V
MBI 46.31.22 Eurocard PCB without front panel, connector 230 VAC 4 ... 20 mA
MBI 46.31.23 Eurocard PCB with front panel, connector 230 VAC ±10 V
MBI 46.31.24 Eurocard PCB with front panel, connector 230 VAC 4 ... 20 mA
MBI 46.31.25 Eurocard PCB without front panel, terminal block 230 VAC ±10 V
MBI 46.31.26 Eurocard PCB without front panel, terminal block 230 VAC 4 ... 20 mA
MBI 46.31.31 Eurocard PCB without front panel, connector +24 VDC ±10 V
MBI 46.31.32 Eurocard PCB without front panel, connector +24 VDC 4 ... 20 mA
MBI 46.31.33 Eurocard PCB with front panel, connector +24 VDC ±10 V
MBI 46.31.34 Eurocard PCB with front panel, connector +24 VDC 4 ... 20 mA
MBI 46.31.35 Eurocard PCB without front panel, terminal block +24 VDC ±10 V
MBI 46.31.36 Eurocard PCB without front panel, terminal block +24 VDC 4 ... 20 mA
MBI 46.31.... Field housing versions    
Options Order code
other carrier frequencies in the range 1 ... 20 kHz /... kHz
Output signal 0 ... 10 V /0-10 V
Output signal 0 ... 20 mA /0-20 mA
Supply instead of 230V, only available in field housing /115 V

Downloads

icon-pdf-blueProduct data sheet

icon-pdf-blueOperating instruction

icon-pdf-blueElectronics overview

Accessories

Connector strip

Accessory

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