7.6.10 RS-232-C Only Commands
The following commands are only valid when the 9400A is controlled via
the RS-232-C ports. <ESC> stands for the ASCII ESCAPE character.
I) RS CONF , <duplex> , <endl> , <end2> , <echo> , <delay>
Configures the RS-232-C remote control protocol.
<duplex> = [0 to 127] If 0, it selects full duplex mode,
otherwise selects half duplex mode.
The number represents the decimal
ASCII value of the trigger (or talk)
character.
<endl> = [0 to 127]
<end2> = [0 to 127]
Selects <END> message string of 1 or
2 characters in length, as it will be
used in commands sent to the 9400A.
In transfers from the 9400A to the
host computer, messages or data
blocks are terminated with <TRAILER>
(as defined with the command
COMM TRAILER), followed by <END>.
Default: <CR>.
<echo> = [0 to 127] Selects the echo character
duplex only). If zero, no
is selected.
Default: no echo character.
(in half
echo mode
<delay>
[0 to 60,000]
Selects the delay before talk in msec
(half duplex only).
Default: 0 msec.
The 9400A sets the VALUE ADAPTED bit:
- if an out of range positive value is given for the delay.
The 9400A may be configured to work either in full duplex mode or in
half duplex mode. Full duplex mode may be selected if the host computer
does not echo the characters it receives from the 9400A and if it is
able to store the received characters in a buffer. In half duplex mode,
the host computer tells the 9400A to talk by sending a trigger
character to the 9400A.
In full duplex mode, the 9400A sends its message(s) immediately.
Remote Operations
7-39
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