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IO511: 4 Port Serial I/O Module

4 port serial I/O module supporting SDLC, HDLC, RS232, RS422 and RS485, with Simulink driver blocks

This I/O module has 4 fully independent, full-duplex serial ports supporting the synchronous protocols SDLC and HDLC, as well as RS232/422/423/485/530 and other mixed protocol modes. It supports very high baudrates, especially for RS422 and RS485.

The Simulink Real-Time driver blockset for this module offers a composite Send/Receive block as well as low-level setup, send, receive, FIFO, status, and utility blocks.

  • 4 independent multi-protocol serial ports
  • Support for SDLC and HDLC synchronous protocols
  • RS232, RS422, RS423, RS485, RS530 transceiver support
Form factor PMC
PCI bus 32-bit, 33MHz
Power consumption +5VDC ±0.2VDC at 1.2 Amps (typical 6 watts) at 25° C
Connector SCSI3
FIFO size per direction and channel 512 bytes (option: up to 32 Kbytes)
Operating temperature 0ºC to +55ºC
Relative humidity 0 to 80%, non-condensing
Interface type Synchronous and asynchronous serial
Number of channels/ports 4
Supported protocols SDLC and HDLC
Physical interface (tranceivers) Software-selectable per channel: RS232/422/423/485/530
Programmable baud rates RS232/RS423: up to 921.6kb/s
RS422/RS485: up to 10Mb/s (differential)
I/O signals 8 signals per channel, configurable as DTE or DCE: 3 serial clocks, 2 serial data signals, CTS, RTS, and DCD. Unused signals may be configured as general purpose I/O.
Mean time between failures (MTBF)* 722,855 hours
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
20511X IO511
  • 1 x IO511 I/O module
  • 1 x shielded round 68-pin SCSI3 to 68-pin male MDR cable, 1.8m long
  • 1 x 68-pin screw terminal board with DIN-rail mount
  • Driver block library for Simulink Real-Time™
  • Installation into 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

  • I/O module installed into real-time target machine
  • Cable
  • Terminal board
  • Simulink driver blocks
  • Test models
  • Comprehensive documentation

Supported target machines


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