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CALibration:VALue:VOLTage <supply>,<value>
CALibration:VALue:VOLTage? <supply>
Parameters
Returned Data
Note
Comments
204 Calibrating and Verifying Performance
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CALibration:VALue:VOLTage
with the externally measured voltages of the VXI power supplies measured at the
diagnostic connector of the mainframe. The value will be used to calibrate each
power supply-related measurement of the enhanced monitor. This value is stored in
non-volatile memory by the CAL:STOR command.
CALibration:VALue:VOLTage?
the <supply> by the CALibration:VALue:VOLTage command.
Name
Type
Range
<supply> enum.
P5, P12, N12, P24,
N24, N5PT2, N2,
P5ST, P5EXT
<value>
float64 allowed VXI limits
for each supply
Type
Range
float64
allowed VXI limits
for each supply
Make certain you measure the power supplies at the pins labeled "VM" on the
Diagnostic Connector. These are high impedance lines to the power supplies.
•
The measurements made of each VXI power supply made at the Diagnostic
Connector should have an accuracy of 0.5%. Refer to
on page 42
for additional information on the Diagnostic Connector.
•
Optionally, you can also calibrate the measurements for the +5 volt external
supply (used for the RS-232 port) and the +5 volt standby supply. Measure the
supply voltages where they enter the mainframe (rear panel for the +5 volt
external, Diagnostic Connector for +5 volt standby). If these are not supplied,
the measurements will not be calibrated.
<supply>,<value> provides the enhanced monitor
returns the externally measured voltage stored for
Default
none
Selects the VXI power supply.
+5 for P5,
Provides the external
+12 for P12,
measurement of each supply.
-12 for N12,
+24 for P24,
-24 for N24,
-5.2 for N5PT2,
-2 for N2
Default
Returns the stored external
measurement of each supply.
Description
Description
"Diagnostic Connector"
Chapter 4
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