Remote Interface Setup
RS-232 Serial Interface 5
5-7
4. Touch Data Bits to set the number of data bits.
5. Touch Stop Bits to set the number of stop bits.
6. Touch Stall to select a method of stall control.
7. Touch Parity to select the parity mode.
8. Touch Baud to set the baud rate.
9. Touch EOL to set the EOL (End Of Line) character to CR, LF, or the string CR LF.
10. This step needs to be done only if setting up the interface for remote control of the
Calibrator. Touch one of the selections under Remote IF to set the label to
“Terminal” or “Computer.”
“Terminal” sets the remote port to expect a human operator to be using a terminal
attached to the RS-232 port to control the Calibrator. This setting has the same effect
as specifying TERM in the SP_SET or REM_MODE remote command parameter
string.
“Computer” sets the remote port to expect a computer to be controlling the Calibrator
over the RS-232 port. This setting has the same effect as specifying “COMP” in the
SP_SET or REM_MODE remote command parameter string.
11. To designate a character or character string as the EOF (End Of File) character, touch
EOF.
12. Enter the decimal code of the ASCII character(s) designated as EOF. (Appendix B
contains a table of ASCII codes.) Verify that the selection is correct as shown on the
display.
13. To exit the setup menus, touch Exit.
Serial Remote Control Setup Procedure
1. Turn on the 5730A Calibrator.
2. Touch Setup Menu>Instrument Setup>Remote Port.
3. The RS-232 setup details are shown in the RS-232 Setup region. To change any of
these, select the region. See section “Set up and Connect the Serial Interface” section
for more.
4. If the Active Remote Port is not RS-232, touch Active Remote>RS-232.
5. Touch Exit to exit the Setup Menu.
Exceptions for Serial Remote Control
When the RS-232 port is used to remotely control the 5730A Calibrator, either
interactively with a terminal or under computer control, operation is the same as with an
IEEE-488 controller connected to the IEEE-488 port for control. These are exceptions:
1. Control/C does the same function as DCL (Device Clear) or SDC (Selected Device
Clear).
2. The EOL (End of Line) input terminator is Carriage Return (Control/M) or Line Feed
(Control/L). All output lines are terminated by the terminator programmed in a setup
menu, or set with the remote command SP_SET. This setting applies to all lines,
including those with the *PUD command (see number 4).
3. Control/R echoes to the port a Carriage Return, a Line Feed, and any uncompleted
remote command entered. This shows a copy of whatever has been entered since the
last command.
4. For the *PUD (Protected User Data) Command, that stores characters for later recall,
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