History:current[:Histogram]? <Supply>[,Min|Max] - Agilent Technologies VXI 75000 Series User And Service Manual

HISTory:CURRent[:HISTogram]? <supply>[,MIN|MAX]
Parameters
Returned Data
Comments
Error Conditions
Reset Condition
Related
Commands
66 Programming the Enhanced Monitor
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HISTory:CURRent[:HISTogram]?
specified <supply>. Ten values are returned for the amount of time the <supply>'s
current spent in ten different current ranges. Those current ranges can be queried
with the MIN and MAX optional parameter. The units of the time values returned
are HOURs by default, but can be changed with the
The units returned for current ranges queried with the MIN or MAX parameters are
integer values in milliamps.
Name Type Range
<supply> enum P5, P12, N12, P24,
N24, N5PT2, N2
optional enum MIN, MAX
parameter
Type
<range1> int32
<range2> int32
<range3> int32
<range4> int32
<range5> int32
<range6> int32
<range7> int32
<range8> int32
<range9> int32
<range10> int32
•
returns 10 time values for the +5V supply.
HIST:CURR? P5
•
HIST:CURR? P5,MAX
each current range in milliamps.
The following table lists the most common error conditions and causes. Error
numbers and corresponding messages can be found using
Number Message
-109 "Missing Parameter"
-224 "Illegal Parameter"
-221 "Settings Conflict"
-311 "Memory error"
*RST has no effect on the HISTory subsystem.
HISTory:CURRent:MAXimum?, HISTory:RESet:CURRent,
HISTory:UNITs[:TIME]
<supply> returns the histogram data held for the
HISTory:UNIT[:TIME]
Default
none Selects the power supply whose current
histogram is desired. P5 is +5 Vdc
supply, N12 is -12 Vdc supply, etc.
none Returns the minimums or maximums of
the current ranges in milliamps.
Range Default
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
0-2147483647 none
returns 10 values representing the maximum currents in
Probable Cause
The <supply> parameter was omitted.
The <supply> or optional parameter not correct.
Power supply doesn't support current measurements.
The historical data's memory is not available.
command.
Description
Description
lowest current range.
second current range.
third current range.
fourth current range.
fifth current range.
sixth current range.
seventh current range.
eighth current range.
ninth current range.
highest current range.
query.
SYSTem:ERRor?
Chapter 3