VT2516A | VT2516A FPGA

Digital Module

The VT2516A module is connected to up to 16 mainly digitally used I/Os of an ECU, i.e. for signals with 2 states. In real vehicles for example, coding connectors, switches or signal lamps may be connected to these pins. This module is also available as a variant (VT2516A FPGA) with user programmable FPGA.

Digital Module: VT2516A | VT2516 FPGA


Functions for Each Channel

  • Various signal paths to the original sensor or the original actuator are switched via relays and are connected to a bus bar. The relays may be used, for example, to disconnect the line (broken wire simulation).
  • Relay for short circuit between an input line and ground or battery voltage
  • Relay for a connected external load, pull-up or pull-down resistor
  • Sampling of a digital input value with configurable voltage threshold
  • Determination of PWM signal parameters (frequency and duty cycle)
  • Voltage measurement with calculation of instantaneous and average values
  • Digital output with adjustable high and low levels
  • Autonomous output of a bit stream loaded into module
  • Generation of a PWM signal

Technical Data

  Input voltage -60 V … +60 V
  Continuous current (relay closed) 16 A
  Current ≤ 10s (relay closed) 30 A
  Switched current at voltage ≤ ±18 V 25 A
  Switched current at voltage ≤ ±32.7 V 8 A
  Switched current at voltage ≤ ±40 V 4 A
Electronic Load
  Constant resistance mode  
  – Working range 1.5 … 1,000 Ω
  – Accuracy (resistance ≤ 20 Ω, voltage ≥ ±12 V) ±5 %
  Constant current mode  
  – Working range 0.1 … 10 A
  – Accuracy ±50mA
  Settling time 30 ms
  Load capacity (all channels together) Typ. 30 W
  Peak load ( 2s) Max. 120 W
Voltage Measurement
  Accuracy (at 25 °C) ± (1.2 % + 80 mV)
  A/D converter (per channel, internal) 16 Bit / 250 kSamples/s
  PWM frequency for PWM measurement 20 mHz … 200 kHz
Basic Data
  Supply voltage (via backplane) 12 V ±10 %
  Power consumption (all relays off) Typ. 4.5 W
  Power consumption (12 relays active) Typ. 20 W
  Temperature range 0 … 55 °C
  Dimensions (L x W x H) 300 x 173 x 36 mm
  Weight Approx. 1,150 g


Schematic of one channel of the VT2516A

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