Remote Operation
Setting up the RS-232 UUT Port for Remote Control
5
5-15
F5-0h.bmp
5. Observe the 5500A Calibrator Control Display changes to REMOTE CONTROL
(below).
gl41f.eps
6. Click the Command2 button. Observe the 5500A Calibrator Control Display changes
back to the reset condition (below).
(The Command3 button is used for RS-232 UUT port testing later in this chapter.)
gl42f.eps
7. Close the program by clicking the top-left corner and Close.
5-10. Setting up the RS-232 UUT Port for Remote Control
The SERIAL 2 TO UUT serial data port connects a UUT to a PC or terminal via the
5500A Calibrator (Figures 5-1 and 5-2). This “pass-through” configuration eliminates
the requirement for two COM ports at the PC or Terminal. The UUT_* commands (see
Chapter 6) handle the UUT port data flow.
The RS-232 cable length for each port should not exceed 15 meters, although longer
cable lengths are permitted if the load capacitance measured at a connection point
(including signal terminator) does not exceed 2500 pF.
5-11. RS-232 UUT Port Setup Procedure
Complete the following procedure to set up the SERIAL 2 TO UUT port (defaults in
bold). The RS-232 parameters you are selecting must match the RS-232 parameters of
the UUT. This port operates independently, whether the 5500A Calibrator is controlled
from the IEEE-488 port or from the RS-232 Host serial port. (See Figures 5-1 and 5-2.)
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