© Stäubli 2009 – D28070504A CS8C104 / 248
5.9. SERIAL PORT
Two serial ports are available on the CS8C controller (J203, COM1 and J201, COM2) to exchange data between
a VAL3 application and an equipment item in the cell.
The serial links are configured via the Input/Output display on the Control panel.
The parameters that can be configured in the Series link are:
• The transmission speed (from 110 to 115200 bauds)
• The number of data bits (from 5 to 8)
• The number of stop bits (1 or 2)
• Parity (even, odd or no parity)
• For J201 (COM2), the RS232/RS422 configuration. Default configuration is RS232.
• The flow control (none / hardware) (Influences COM1 only)
• The time lapse prior to triggering of an error message (maximum reading time lapse). A zero value suppresses
the time lapse control
• The end of string character
Details of the last two parameters are given in the VAL3 reference manual (SIO type).
CAUTION:
• Check the configuration of the Series link to the external equipment before connecting to
the electricity supply.
• When the controller is powered up, characters are sent via COM1 (start-up information for
BIOS, etc.) and they may disrupt operation of equipment connected to J203. This point must
be taken into account in the application.
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