Zelenograd, Savelkinsky proezd, 4, 6th floor
Modular measuring instruments and ATE systems
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MN32S

MN32S
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The МН32S mezzanine is designed for measuring instantaneous voltage values ​​across thirty-two differential channels.

The mezzanine takes measurements in the following modes:

  • “Once” - a single measurement of the sequence of channels specified by the user is performed;

  • “Block” - measurements are performed until a predetermined number of samples (results) of channel sequences specified by the user are received;

  • “Continuous” - measurements are performed according to a user-defined sequence in a continuous cycle until a stop command is received.

All input lines of the mezzanine can, at the command of the user, be disconnected from the control object.



Number of measuring channels 32 Measurement ranges of instantaneous voltage values:
  • -10 to 10 V;
  • -5 to 5 V;
  • -2.5 to 2.5 V;
  • -1 to 1 V;
  • -500 to 500 mV;
  • -250 to 250 mV;
  • -125 to 125 mV;
  • -60 to 60 mV;
  • -30 to 30 mV
Maximum allowable voltage at mezzanine inputs 35 V
Input impedance of the measuring channel 2 MOhm
Limits of permissible basic relative measurement error of instantaneous voltage values ​​at the minimum sampling period and at ambient temperature + (20 ± 2) °С,%:
  • ± [0.005 + 0.003 (Um / Ux - 1)] for the range from -10 to 10 V;
  • ± [0,006 + 0,004 (Um / Ux - 1)] for the range from -5 to 5 V;
  • ± [0,007 + 0,008 (Um / Ux - 1)] for the range from -2.5 to 2.5 V;
  • ± [0,006 + 0,004 (Um / Ux - 1)] for the range from -1 to 1 V;
  • ± [0.010 + 0.009 (Um / Ux - 1)] for the range from -500 to 500 mV;
  • ± [0.018 + 0.018 (Um / Ux - 1)] for the range from -250 to 250 mV;
  • ± [0,040 + 0,027 (Um / Ux - 1)] for the range from -125 to 125 mV;
  • ± [0,080 + 0,060 (Um / Ux - 1)] for the range from -60 to 60 mB;
  • ± [0.120 + 0.300 (Um / Ux - 1)] for the range from -30 to 30 mV.
Where Um is the value of the upper limit of the range, Ux is the measured value.
The limits of the permissible additional relative error in the measurement of voltage values at the minimum sampling period for all measurement ranges should be,% ± 0.002 T, where T is the deviation of the ambient temperature from 18 ºС (for the temperature range from 5 to 18 ºС) or from 22 ºС (for the temperature range from 22 to 40 ºС).
The sampling period is set the same for all channels participating in the measurement, in the range from 302 μs to 16.777214 with a step of 1 μs
The mezzanine measuring chains are galvanically isolated from the housing. Galvanic isolation voltage of at least 200 V. Resistance of galvanic isolation of at least 20 MOhm
MN32S