FPGA I/O Modules

For expanding the I/O channels of the dSPACE FPGA base boards

Two I/O modules are available for expanding the I/O channels of the dSPACE FPGA base boards: the DS2655M1 Multi-I/O Module and the DS2655M2 Digital I/O Module.

Application Areas

The FPGA I/O modules provide a high number of the digital and analog I/O channels needed for applications such as electric drives. To include more I/O channels to the DS6601, DS6602, and DS2655 FPGA Base Boards, you can connect up to five I/O modules to each of the boards.

For the DS2655M1, there is also the DS5450 SC module, available as an add-on. It contains five switchable transformers for decoupling the five DAC channels of the DS2655M1 module from system ground. 

Technical Details DS6651

Parameter Specification
General
  • 6 A/D channels, 6 D/A channels, 16 digital I/O channels
  • 1x 50-pin Sub-D connector
  • • ±60 V overvoltage protection
Analog I/O
  • Input
  • 6 channels
  • Input voltage ranges selectable for each channel:
  • +/- 1 V, +/- 5 V, +/- 10 V or 60 V
  • ADC resolution: 16 bits
  • Sampling rate: 5 MS/s
  • Selectable load resistor: 220 Ω (for channels 5 and 6 only) Output
  • 6 channels • Output voltage range: +/- 10 V
  • DAC resolution: 16 bits
  • Update rate: 10 MS/s
  • Selectable transformer (for channels 5 and 6 only)
Digital I/O
  • 16 ground-based digital I/O channels
  • Channels can be configured in pairs to full differential pairs
  • Time resolution: 8 ns

Input (ground-based mode)

  • Maximum input voltage range: 0 ... 30 V
  • Threshold voltage: 0 ... 12 V
  • Input frequency: max. 25 MHz

Output (ground-based mode)

  • Voltage range:
  • 3.3 V TTL/CMOS
  • 5 V TTL
  • Output modes:
  • High-side switch (+3.3 V or +5 V)
  • Low-side switch (GND)
  • Push/pull
  • Output frequency: 25 MHz (max. at 50% duty cycle)
Digital I/O RS485
  • Voltage range: RS485 levels
  • Bit rate: max. 16 Mbit/s
Sensor supply
  • 2x 5 V (max. 500 mA each)
Physical size
  • Requires 1 slot
  • 232 x 100 x 19 mm (9.2 x 3.9 x 0.7 in) without fastening bracket
Typical power consumption
  • 6 W

Technical Details DS2655M1

Parameter Specification
General
  • 5 A/D channels, 5 D/A channels, 10 digital I/O channels
  • 1 x 50-pin Sub-D connector
Digital I/O
  • 10 channels, usable as input or output
  Input
  • Maximum input voltage: 15 V
  • Threshold for each channel adjustable from 0 V to 10.5 V
  Output
  • Push-pull drivers
  • One output voltage can be selected for all channels: 3.3 V or 5 V
Analog I/O Input
  • 5 channels
  • Resolution 14 bit
  • Sampling rate 4 MSPS SAR
  • Input voltage range selectable for each channel: ±5 V or ±30 V
  Output
  • 5 channels
  • Resolution: 14 bit
  • Update rate: 7.8 MSPS
  • Output voltage range: ±10 V
Physical size
  • 209 x 100 x 19 mm (8.2 x 3.9 x 0.7 in)
  • Mounted on the FPGA base board, requires one additional slot for each I/O module
Voltage supply
  • 24 V
Typical power consumption
  • 9.6 W

Technical Details DS2655M2  

Parameter Specification
General
  • 32 channels, usable as input or output
  • 1 x 50-pin Sub-D connector
Digital I/O Input
  • Maximum input voltage: 15 V
  • Threshold for each channel adjustable form 1 V to 7.5 V
  Output
  • Push-pull drivers
  • One output voltage can be selected for all channels: 3.3 V or 5 V
 

UART

  • 16 channels extended with RS232/RS485 transceivers
  • RS232: max. 250 kBaud
  • RS485: max. 16 MBaud
Maximal configuration of the functions
  • 32 x digital input
  • 32 x digital output, (push/pull or push or pull)
  • 16 x digital output, (push/pull/tristate)
  • 8 x RS232 RX, (24 digital I/O or 8 x RS232 TX channels are free)
  • 8 x RS232 TX, (24 digital I/O or 8 x RS232 RX channels are free)
  • 8 x RS485 RX, (16 digital I/O channels are free)
  • 8 x RS485 TX, (16 digital I/O channels are free)
  • 8 x RS485 RX/TX, (8 digital I/O channels are free)
Physical size
  • 209 x 100 x 19 mm (8.2 x 3.9 x 0.7 in)
  • Mounted on the FPGA base board, requires one additional slot for each I/O module
Voltage supply
  • 24 V
Typical power consumption
  • 9.6 W

Technical Details DS5450

Parameter Specification
General
  • Direct connection to the front Sub-D connector of a DS2655M1
  • Application-specific configuration of the analog I/O via onboard jumpers
  • Status LEDs for operation voltage and channel configuration
Analog I/O Input
  • Optional 220 Ω resistors for each of the five ADC channels
 

Output

  • Optional decoupling transformers for each of the five DAC channels
Digital I/O
  • Digital I/O from the DS2655M1 are routed through the DS5450 board
Power supply
  • 24V

  • SCALEXIO Produktinformationen, PDF, Englisch, 16194 KB
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