HP E8402A, Руководство пользователя и обслуживания, Страница: 85 / 249

Programming the Enhanced Monitor 87
Chapter 3
HISTory:VOLTage:MAXimum?
<
supply
>
HISTory:VOLTage:MINimum?
<
supply
>
HISTory:VOLTage:MAXimum? <supply> returns a single floating point number for
the maximum voltage measured by the Enhanced Monitor for the <supply> since
either manufacture of the mainframe or the most recent
HIST:RES:VOLT or
HIST:RES:ALL .
HISTory:VOLTage:MINimum? <supply> returns a single floating point number for
the minimum voltage measured by the Enhanced Monitor for the <supply> since
either manufacture of the mainframe or the most recent HIST:RES:VOLT or
HIST:RES:ALL .
Parameters
Returned Data
Comments
•
The maximum and minimum voltage tracking can be zeroed by the
HISTory:RESet commands.
Error Conditions
The following table lists the most common error conditions and causes. Error
numbers and corresponding messages can be found using
SYSTem:ERRor?
query.
Reset Condition
A *RST has no effect on the HISTory subsystem.
Related
Commands
HISTory:VOLTage:CMAXimum?, HISTory:VOLTage:CMINimum?,
HISTory:VOLTage:[HISTogram]?, HISTory:RESet:VOLTage,
HISTory:RESet[:ALL]
Name Type Range Default Description
< supply> enum. P5, P12, N12, P24,
N24, N5PT2, N2,
P5STby none selects the power supply for the
maximum voltage request. P5 is
positive 5 Vdc supply, N12 is
negative 12 Vdc supply, etc.
Type Range Description
float. Minimum or maximum voltage.
Number Message Probable Cause
-224 “Illegal Parameter” the <slot> parameter was not correct.
-311 “Memory error” the historical data’s memory is not available.