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4-Channel Serial Interface I/O Module Supporting SDLC and HDLC Protocols, with Simulink® Driver Blocks

The IO512 is a Speedgoat serial I/O module featuring Synchronous Data Link Control (SDLC) and High-Level Data Link Control (HDLC) interfaces.

The IO512 offers you the same I/O functionality as the previous generation, in addition to an enhanced PCI interface engine for improved performance.

The IO512 features four independent serial channels configured for SDLC and HDLC communication, with a high-speed Integrated Universal Serial Controller for the protocol-specific overhead. Each serial channel has independent, 32 kByte, transmit and receive FIFOs to reduce data loss at high clock rates.

The IO512 I/O module is a turnkey solution that can be used in combination with the easy-to-configure Speedgoat I/O Blockset and the SLRT workflow, and is suitable for all real-time applications.

Key features

  • 4 independent serial channels for SDLC and HDLC
  • 8 x 32 kBytes FIFO to reduce data loss at high clock rates
  • Channels software configurable as RS232, RS422, RS423 or RS485
  • Easily configured with the Speedgoat I/O Blockset available
  • Seamless integration with Simulink
Form factor PMC
Power requirements 1.5 A max @ +5V DC
30 mA max @ +12V DC
Typical total power dissipation: 5.25 W
Electrical interface PCI rev 2.2
Connectors 68-pin SCSI3
Operating temperature 0 °C to +70 °C (-40 °C to +85 °C available on request)
Relative humidity 0 to 80%, non-condensing
Number of channels 4
Supported protocols Synchronous Data Link Control (SDLC) and High-Level Data Link Control (HDLC)
Physical interface Software-selectable RS232, RS422, RS423, RS485
Programmable baud rates RS232/RS423: up to 230 kbps
RS422/RS485: up to 10 Mbps
Termination Software-selectable 120 Ohms for RS422/RS485
FIFO size 32 kBytes per channel for each direction
MTBF (Mean Time Between Failure) - MTBF values shown are based on calculation according to MIL-HDBK-217F and MIL-HDBK-217F Notice 2; Environment: GB 20°C. The MTBF calculation is based on component FIT rates provided by the component suppliers. If FIT rates are not available, MIL-HDBK-217F and MIL-HDBK-217F Notice 2 formulas are used for the FIT rate calculation.
Item ID Product Name Components
20512X* IO512
  • 1x IO512 I/O module
  • 1x 68-pin male SCSI3 to 68-pin male MDR cable, (6 ft/1.82 m)
  • 1x 68-Pin Female MDR Terminal Board
  • Driver block library for Simulink Real-Time
  • Comprehensive documentation and Simulink example models
  • Installation into the real-time target machine

Key to X in Item ID
*Please replace the X with the code number of the specific target machine into which this I/O module shall be installed:

  • 5 = Mobile real-time target machine
  • 6 = Performance real-time target machine
  • 8 = Baseline real-time target machine

Pricing information
We don't publish pricing information on our website. Upon request by e-mail or phone we can provide a complete price list covering our entire product portfolio in various currencies. We recommend that you get in touch with us to discuss your specific needs. We can then quickly provide you with a tailored quotation including technical and pricing information.


Included in delivery

Common Applications

Supported target machines

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