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MN4V

MN4V
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The MN4V mezzanine is designed to measure the voltage value of signals through four galvanically decoupled channels (four-channel high-speed digitizer).

MN4V mezzanine is installed on the mezzanine carrier - НМ-М module and connected to it via a local information highway. Up to four different types of mezzanines can be installed on the NM-M module. Four MN4V mezzanines installed on the NM-M module form a 16-channel high-speed digitizer.

Main features of MV4V:

  • differential inputs, with the possibility of programmable switching to single (direct) input mode;
  • the channels are galvanically isolated from the control circuits, power lines and common (GND) VXI trunk, as well as from the mezzanine case and the mezzanine carrier module;
  • overvoltage protection up to 42 V;
  • if the input voltage exceeds the upper limit of the range in the measurement mode, the МН4V generates an interrupt request;
  • each channel has the ability to self-control the main functions of the measurement path;
Number of channels 4 Measurement ranges of instantaneous voltage values:
  • -25 to 25 mV;
  • -50 to 50 mV;
  • -100 to 100 mV;
  • -200 to 200 mV;
  • -400 to 400 mV;
  • -1 to 1 V;
  • -2 to 2 V;
  • -5 to 5 V;
  • -10 to 10 V
Measurement channel bandwidth level -3 dB (47 ± 4) kHz
The maximum allowable input voltage value is not more than 30 B and not less than -30 V
Unevenness of the amplitude-frequency response in the frequency band from 0 to 10 kHz no more than 0.2 dB
The maximum sampling frequency is 102.557 kHz. The sampling frequency can be programmatically reduced by N times, where N is an integer from 2 to 65535 The level of induced interference from channel to channel at the frequency of the input sinusoidal signal of 1 kHz is not more than -80 dB

Limits of the permissible basic relative error of measurement of instantaneous voltage values at the maximum sampling frequency and at ambient temperature (20 ± 2) ºС, %

MN4V

MN4V-01

for the range from -10 to 10 V ± [0,006 + 0,004 х (Uм/Ux - 1)] for the range from -10 to 10 V ± [0,020 + 0,010 х (Uм/Ux - 1)]
for the range from -5 to 5 V ± [0,006 + 0,004 х (Uм/Ux - 1)] for the range from -5 to 5 V ± [0,020 + 0,010 х (Uм/Ux - 1)]
for the range from -2 to 2 V ± [0,006 + 0,004 х (Uм/Ux - 1)] for the range from -2 to 2 V ± [0,020 + 0,010 х (Uм/Ux - 1)]
for the range from -1 to 1 V ± [0,006 + 0,004 х (Uм/Ux - 1) for the range from -1 to 1 V ± [0,020 + 0,010 х (Uм/Ux - 1)]
for the range from -400 to 400 mV ± [0,010 + 0,009 х (Uм/Ux - 1)] for the range from -400 to 400 mV ± [0,020 + 0,020 х (Uм/Ux - 1)]
for the range from -200 to 200 mV ± [0,017 + 0,017 х (Uм/Ux - 1)] for the range from -200 to 200 mV ± [0,040 + 0,020 х (Uм/Ux - 1)]
for the range from -100 to 100 mV ± [0,040 + 0,020 х (Uм/Ux - 1)] for the range from -100 to 100 mV ± [0,080 + 0,040 х (Uм/Ux - 1)]
for the range from -50 to 50 mV ± [0,080 + 0,050 х (Uм/Ux - 1)] for the range from -50 to 50 mV ± [0,160 + 0,080 х (Uм/Ux - 1)]
for the range from -25 to 25 mV ± [0,120 + 0,180 х (Uм/Ux - 1)] for the range from -25 to 25 mV ± [0,320 + 0,160 х (Uм/Ux - 1)]

where Uм is the value of the upper limit of the range, and Ux is the measured value

MN4V