Rockwell Automation GMLC Reference Manual - Manual (Page 75)

Publication GMLC-5.2 - November 1999
38 Configuring Control Options
2. Make entries in the following fields:
Field Description
Operator
interface port If the hardware configuration includes an
optional operator interface terminal, select the
controller serial port that is connected to that
terminal.
Runtime Display
Port Select the serial port to use for the controller’s
runtime display.
Runtime Display
Refresh Rate Enter the frequency with which the controller
refreshes the Runtime Display (in seconds).
Because the human eye needs at least 0.2
seconds to recognize and respond to a display,
refresh rates less than 0.2 seconds are not
useful.