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DS2690 Digital I/O Board

MultiCompact board for vehicle body scenarios

The DS2690 is used in a SCALEXIO hardware-in-the-loop simulator for signal measurement as well as signal generation. It provides digital I/O channels, such as Digital In, PWM In or Digital Out, PWM Out. All channels can be configured by software. The DS2690 can be equipped with onboard loads or external loads for a more realistic simulation of real currents.

Application Area

The DS2690 Digital I/O Board is the tailored SCALEXIO solution for hardware-in-the-loop (HIL) simulation of body electronics ECUs. Vehicle body applications such as electric window lift and windscreen wipers require many high-current digital I/O channels, as well as the ability to simulate failures. Together with a SCALEXIO system, the DS2690 is galvanically isolated.

Key Benefits

The DS2690 offers a large number of dedicated digital I/O channels for signal generation and measurement. Their supported I/O functionalities cover exactly the ones needed for body electronic ECUs. Real loads can be connected to each channel individually. An onboard failure routing unit (FRU) enables failure simulation on all channels.

I/O Functionality

The DS2690 offers digital channels that are either predefined for signal measurement or signal generation, or can be individually configured. Channels for signal measurement and generation are usable as

  • Digital In
  • PWM In or Digital Out
  • PWM Out

The signal types and channel bundling are configured with ConfigurationDesk.

Real Loads for Real Currents

Testing ECUs under realistic circumstances sometimes requires real currents, so real loads can be connected externally. Substitute loads are available internally as well.

Parameter Specification
General
  • Multifuse for electrical safety
  • Channel bundling for increasing the continuous current
Signal measurement
(Digital In 2)
  • 10 channels
  • Supported I/O functions
    • Multi Bit In
    • PWM/PFM In
  • Measurement range 0 … 60 V
  • Max. 6 A per channel
  • Substitute loads pluggable, up to 2 W per measurement channel
  • Real loads can be wired externally
  • FIU via high-current failrail
Signal generation
(Digital Out 2)
  • 10 channels
  • Supported I/O functions
    • Multi Bit Out
    • PWM/PFM Out
  • Configurable as low-side/high-side switch or push/pull
  • Low-side = GND
  • High-side = external reference for each channel
  • Voltage range high-side: 5 … 60 V
  • Current range -80 … +80 mA
  • FIU via low-capacitance failrail
Signal measurement or generation
(Digital In/Out 1)
  • 10 channels
  • Supported I/O functions
    • Multi Bit In
    • PWM/PFM In
    • Multi Bit Out
    • PWM/PFM Out
  • FIU via low-capacitance failrail
  Digital In
  • Measurement range 0 … 60 V
  • Max. 100 mA per channel
  • Substitute loads pluggable, up to 2 W per measurement channel
  • Real loads can be wired externally
  Digital Out
  • Configurable as low-side/high-side switch or push/pull
  • Low-side = GND
  • High-side = external reference for each channel
  • Voltage range high-side: 5 … 60 V
  • Current range -80 … +80 mA
Failure simulation
  • Onboard failure routing unit (FRU)
  • Signal forwarding to central FIU
  • Based on relays
  • Available for each channel
Internal communication interface
  • IOCNET
Physical data Physical size
  • 402 x 100 x 58 mm (15.8 x 3.9 x 2.3 in)
  • Requires 3 slots
  Voltage supply
  • 24 V

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