VT2808

Current Measurement Module

The module VT2808 provides 8 inputs for analog signals for voltage and current measurement. They may be connected directly to the outputs or load path of an ECU.

Current Measurement Module: VT2808

Characteristics:
VT2808

Functions for Each Channel

  • Current measurement with 3 measurement ranges (automatic range switching)
  • Simultaneous voltage measurement
  • Measurement related to external reference or ground (switchable)
  • Alternatively, current measurement with an external measuring resistor
  • Calculation of instantaneous, maximum, and minimum values from the raw measurement values of the A/D converter; access to these values within CANoe
VT2808: detail view

Technical Data

VT2808
Voltage Measurement
  Input voltage -60 V … +60 V
  Accuracy (at 25 °C) ± (0 % + 50 mV)
  A/D converter (per channel, internal) 16 Bit / 250 kSamples/s
Current Measurement
  Measurement range ≤ 50 mA; ≤ 1 A; ≤ 16 A (automatic switching)
  Accuracy (at 25 °C)  
  – Measurement range: ≤ 50 mA ± (0% + 0.1 mA)
  – Measurement range: ≤ 1 A ± (0% + 10 mA
  – Measurement range: ≤ 16 A ± (0% + 100 mA
  A/D converter (per channel, internal) 16 Bit / 250 kSamples/s
Basic Data
  Supply voltage (via backplane) 12 V ±10%
  Power consumption Typ. 6.1 W
  Temperature range 0 … 55 °C
  Dimensions (L x W x H) 300 x 173 x 36 mm
  Weight Approx. 432 g
Maintenance
  Calibration recommended every 12 months
  Accredited (pre/re) calibration according to ISO/IEC 17025:2017

Schematic

Schematic of one channel of the VT2808

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