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Pendulum CNT-90 Series Programmer's Handbook

Pendulum CNT-90 Series
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8-30 Command Reference
:CONFigure :TOTalize [:CONTinuous] CNT-91
[8 (@«1|2»)][,(@«1|2»)]
Totalize Manually
This is a count/totalize function controlled from the GPIB interface using the com
-
mand SENS:TOT:GATE8ON|OFF.
The counter counts up for each event on the primary input channel. The same ap
-
plies to the secondary channel if it has been activated. The result is one or two val
-
ues depending on the presence of the secondary channel. In addition to selecting
totalizing, the :CONF:TOT:CONT command also selects positive trigger slope. If
you want to count negative slopes on input A, send :INPut:SLOPe8 NEG after
the :CONF:TOT:CONT command. The results of successive ON-OFF periods are
accumulated.
Postprocessing of two-channel results is done by means of the :CALCulate com
-
mand. See page 8-23. Arming is used for realizing non-manual functions like
Tot A gated by B or Tot A-B timed. See page 8-10.
Parameters
(@«1|2») is the primary channel:
,(@«1|2») is the secondary channel:
(@1) stands for input A
(@2) stands for input B
+
This measurement cannot be made as a :MEASure, it must be made as a
:CONFigure followed by :INIT:CONT8ON, gate control with :SENS:TOT:GATE
«ON|OFF» and completed with a :FETCh:ARR? <array size>.
Example:
SEND® :CONF:TOT;:INP:SLOPe NEG
This example sets up the counter to totalize the negative slopes on Input A and
disable the secondary channel. (Same as (@1))
*RST condition (@1),(@2)
Normal Program Sequence for Totalizing on A
CONF:TOT:CONT8(@1)
Set up the counter for totalize on A, reset registers
INIT:CONT8ON
Initiate the counter continuously
TOT:GATE8ON
Start totalizing
FETC:ARR?8–1
Read intermediate results without stopping the totalizing
TOT:GATE8OFF
Stop totalizing
FETC:ARR?8–1
Fetch the final result from the totalizing
+
Intermediate results
When totalizing you often want to read intermediate results without stopping the
totalizing process. :FETC:ARR?8–1 always outputs the current register value.

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Pendulum CNT-90 Series Specifications

General IconGeneral
BrandPendulum
ModelCNT-90 Series
CategoryMeasuring Instruments
LanguageEnglish

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