prog.book : ch11syst.fm 5 Mon Feb 15 09:24:37 1999
SYSTem Subsystem
SYSTem:COMMunicate:SERial:CONTrol:DTR ON|OFF|IBFull
HP E4418B/E4419B Programming Guide 11-5
SYSTem:COMMunicate:SERial:CONTrol:DTR ON|OFF|IBFull
This command is used to set the serial interface (RS232) DTR signal line
either high always (ON) or low always (OFF). In addition, the DTR signal
line can be tied to the condition of the interface receiver buffer (IBFull)
resulting in the line going high when the receiver is ready to accept data
and low when the receiver buffer is full (not ready for data). Also, with
DTR in IBFull mode, the transmitter will be inhibited when DSR is low.
Syntax
Example
Reset Condition
On reset, the DTR signal line setting is unaffected.
Query
SYSTem:COMMunicate:SERial:CONTrol:DTR?
The query returns the current DTR signal line setting, ON, OFF or IBFull.
Query Example
Error message
If the RS422 interface is selected, then the error message -221 “Settings
conflict” will occur.
SYST:COMM:SER:CONT:DTR ON This command sets the DTR
signal line high (always).
SYST:COMM:SER:CONT:DTR? This command queries the setting
of the DTR signal line..
SYST
:COMM
:SER
:DTR
:CONT
Space
?
ON
OFF
IBFull
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