Operating Instructions MBI 46.51.39
Version 0.9
en MBI 46.51.39 operating instructions.docx
Issue: 08/2022
page 28 from 29
MBI 46.51.39
Measuring amplifier for operation of inductive displacement sensors
Linearity error
< 0,1 % FSO
Carrier frequency
5 kHz ±5 %
optional 1...20 kHz
Dynamic bandwidth
500 Hz (3 dB, at 5 kHz)
Excitation voltage
(primary EXC+, EXC-)
approx. 2 V
rms
, sinusoidal
max. 12 mA
rms
Input resistance
(secondary MEAS+, MEAS-)
approx. 100 k
Output signal
4...20 mA impedance < 500
,
0…10 VDC, load resistance > 10 k
Noise level and residual carrier voltage
< 5 mV
rms
Temperature coefficient of zero point
< 0,10 % / 10 K @ 100 mV/V
< 0,15 % / 10 K @ 20 mV/V
Temperature coefficient of gain
< 0,05 % / 10 K @ 100 mV/V
< 0,15 % / 10 K @ 20 mV/V
Operating temperature
-30...+70°C
Storage temperature
-30...+85°C
Protection rating
IP66
Electromagnetic compatibility
DIN EN 61326-1
Supply voltage
10...36 VDC
Current consumption (@ 24 VDC)
max. 60 mA
Electrical connection
2 cable glands IP68 (power supply/output signal and sensor),
spring-loaded terminals inside
Dimensional data
approx. 115 x 64 x 34,5 mm
Weight
approx. 0,3 kg
Suitable sensors
Inductive differential transformers (LVDTs)
with 4-wire technology
Differential inductors (LVITs) and Long-stroke
sensors (eddy current design)
inductive half bridges with 3-wire technology
Rated output
25...740 mV/V
Input impedance
100...1000
