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Single “Speed Switch”
Command for PM6680B/85
Since many parameters must be set to get
the highest measuring speed, it is simpler
if you use the macro function:
Send the following lines to turn on mac
-
ros; define one macro called FASTFREQ
and one macro called SLOWFREQ.
SEND→
*EMC81
SEND→
*DMC8‘FastFreq’,
“:ACQ:APER8MIN;
:AVER:STAT8OFF;
:INP:LEV:AUTO OFF;
:DISP:ENAB8OFF;
:CAL:INT:AUTO8OFF;
:SENS:ACQ:RES8LOW”
SEND→
*DMC8‘SlowFreq’,
“:ACQ:APER82008ms;
:AVER:STAT8ON;
:INP:LEV:AUTO8ON;
:DISP:ENAB8ON;
:CAL:INT:AUTO8ON;
:SENS:ACQ:RES8HIGH”
Now you just have to send FASTFREQ to
the counter to get high measurement
speed for frequency measurements, and
SLOWFREQ to return to normal measur
-
ing speed.
+
Note that these macros include
all speed-increasing commands
from the table on the previous
page. Omit the ones you do not
want to use in your application
and the ones that do not apply to
your counter.
Single “Speed Switch”
Command for PM6681
Since many parameters must be set to get
the highest measuring speed, it is simpler
if you use the macro function:
Send the following lines to turn on mac
-
ros; define one macro called FASTFREQ
and one macro called SLOWFREQ.
SEND→
*EMC81
SEND→
*DMC8‘FastFreq’,
“:ACQ:APER8MIN;
:AVER:STAT8OFF;
:INP:LEV:AUTO8OFF;
:DISP:ENAB8OFF;
:INT:FORM8PACK;
:SENS:ACQ:RES8LOW;
:FORM:TINF8OFF;
:TRIG:COUNT86143;
:STAT:OPER:ENAB80;
:ARM:STA:LAY2:SOUR8IMM"
SEND→
*DMC8‘SlowFreq’,
“:ACQ:APER8200 ms;
:AVER:STAT8ON;
:INP:LEV:AUTO8ON;
:DISP:ENAB8ON;
:INT:FORM8REAL;
:SENS:ACQ:RES8HIGH;
:FORM:TINF8ON;
:TRIG:COUNT81;
:STAT:OPER:ENAB81;
:ARM:STA:LAY2:SOUR8BUS"
Now you just have to send FASTFREQ to
the counter to get high measurement
speed for frequency measurements, and
SLOWFREQ to return to normal measur
-
ing speed.
+
Note that these macros include
all speed-increasing commands
from the table on the previous
page. Omit the ones you do not
want to use in your application.
7-16 Speed Summary
How to Measure Fast