
Summary of Bus Commands
Function Selecting Commands
FREQ A
Frequency measurement on Input-A.
FREQ B
Frequency measurement on Input-B.
RPM A
Revolutions/minute on Input-A.
PER A
Period on Input-A.
WIDTH A
Pulse width on Input-A.
PWIDTH A
Pulse width on Input-A.
TOTM A
Totalize A, start/stop by
GATE OPEN/CLOSED on the bus.
FNC?
Output the current function setting.
*
Input Setting Commands
TLO AUT
Auto trigger level.
TLO POS
Positive trigger level offset
TLO SYM
No trigger level offset
TLO NEG
Negative trigger level offset
TRGSLP POS
Triggering on positive slope.
TRGSLP NEG
Triggering on negative slope.
INPA?
Output the current Input-A settings.
*
Measurement Control Commands
GATE OPEN
Starts the totalizing in TOTM A.
GATE CLOSE
Stops totalizing.
MTIME <num>
Set Measuring-time. <num> = 0.01-
10 s. 0 = SINGLE
FRUN ON
Selects Free-Run.
FRUN OFF
Selects Triggered mode.
TRIG OFF
Selects Free-Run.
TRIG ON
Selects Triggered mode.
TOUT <num>
Sets Time-Out. <num> = 0.1 - 25.5 s.
0 = Time-Out OFF.
MEAC?
Output the current Measurement
control settings.
*
Bus Related Commands
OUTM <number>
<number>
High-
speed
dump
Output
format
MTCXO
compen-
sation
0
OFF
NORMAL
ON
1
OFF
SHORT
ON
2
OFF
NORMAL
OFF
3
OFF
SHORT
OFF
4
ON
FOR HIGH
SPEED DUMP
OFF
*
MSR <num>
Sets SRQ-mask, see ’Service request’.
EOI ON
Selects EOI-mode ON.
EOI OFF
Selects EOI-mode OFF.
SPR <num>
Select output separator, see ’Output
separators’.
X
Device trigger, starts a new measurement.
*
D
Device clear, returns to default settings.
BUS?
Output the current bus related settings.
*
ID?
Output identity and which options are
installed.
*
*
This command must be placed at the end of a pro-
gram message.
GPIB-INTERFACE OPERATION
Page: 31
PM 6669 - OPERATORS MANUAL