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Relative, mX+b and Percent (%)
7-3
VAL key
The SHIFT-VAL key sequence displays the present Rel value. From this display you can
enable Rel using that Rel value or you can key in a different Rel value.
1.
Press SHIFT and then VAL to display the present Rel value.
2.
To change the Rel value, use the
,
,
and
keys to change the value. To change polar-
ity, place the cursor on the polarity sign and press
or
. To change range, place the cur-
sor on the range symbol (at the end of the reading) and use the
and
keys (see Table
7-1).
3.
With the desired Rel value displayed, press ENTER to enable Rel.
SCPI programming — relative
Table 7-1
Range symbols for rel values
Symbol
Prefix
Exponent
P
pico-
10
-12
N
nano-
10
-9
µ
micro-
10
-6
m
milli-
10
-3
ˆ
(none)
10
0
K
kilo-
10
3
M
mega-
10
6
G
giga-
10
9
T
tera-
10
12
Table 7-2
SCPI commands — relative (null)
Commands
Description
Default
Ref
CALCulate2
CALCulate2 Subsystem:
:FEED <name>
Specify reading to Rel; SENSe[1] or CALCulate[1]. SENS
A
:NULL
Configure and control Relative.
:ACQuire
Use input signal as Rel value.
:OFFSet <NRf>
Specify Rel value; -9.999999e20 to 9.999999e20.
0.0
:STATe <b>
Enable or disable Rel.
OFF
:DATA?
Return Rel’ed readings triggered by INITiate.
B
:LATest?
Return only the latest Rel’ed reading.
B
INITiate
Trigger one or more readings.
Summary of Contents for 6514
Page 203: ...14 CommonCommands...
Page 207: ...15 SCPISignalOriented MeasurementCommands...
Page 235: ...18 PerformanceVerification...
Page 254: ...19 Calibration...
Page 274: ...20 RoutineMaintenance...
Page 278: ...A Specifications...
Page 282: ...B StatusandErrorMessages...
Page 288: ...C GeneralMeasurement Considerations...
Page 294: ...D DDCEmulationCommands...
Page 299: ...E ExamplePrograms...
Page 306: ...F IEEE 488BusOverview...
Page 320: ...G IEEE 488andSCPI ConformanceInformation...
Page 324: ...H CalibrationOptions...