HP3458A Emulation Mode
H-8
ERRSTR?
Purpose
To request the error number and error response string.
Format
ERRSTR?
Response
<error_number>, <error_string>
Description
The
ERRSTR?
query returns two responses separated by a comma. The first response is the error num-
ber, and the second is the message explaining the error.
Unlike the HP3458, Model 2002 errors are returned in the order generated instead of the error reg-
ister bit order. No error register bits are cleared until the last error is read at which time all bits are
cleared.
FREQ
Purpose
To select the frequency measurement function.
Format
FREQ <max_input>,<%_resolution>
Parameter
<max_input>
1V, 10V, or 100V
<%_resolution>
Ignored
Description
The
FREQ
command selects the frequency measurement mode for the Model 2002. The first param-
eter selects a maximum input level of 1V, 10V, or 100V, while the second parameter is not supported
by the Model 2002 and will be ignored.
Example
FREQ
Select frequency.
FREQ 10
Select frequency, 10V maximum input.
FSOURCE
Purpose
To select the signal type for frequency or period measurements.
Format
FSOURCE <source>
Parameter
<source>
<source> parameter
Numeric equivalent
Description
ACV
2
AC voltage
ACDCV
3
AC+DC voltage
ACI
7
AC current
ACDCI
8
AC+DC current
Default
ACV
Query
FSOURCE?
Returns the present frequency source.
Description
The
FSOURCE
command specifies the type of signal to be used as the input signal for frequency or
period measurements. Signal types include AC voltage, AC current, AC+DC voltage, and AC+DC
current.
Содержание 2002
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