4. REMOTE OPERATION
Page 141
© 1998-2008 DH Instruments, a Fluke Company
AMBTx(=)
Purpose
Set or read the source for the ambient temperature measurement. Also optionally sets
the USER defined measurement.
Syntax “AMBTx=source,
meas”
“AMBTx=source”
“AMBTx”
Default INTERNAL
Argument
x:
The setup number from 1 to 21. See the SETUP command.
Setup 21 is reserved for remote communication use only.
Source:
The measurement source. This can be INTERNAL, DEFAULT
(normal), or USER.
Meas:
The current measurement used is degrees Celsius. This can
only be set if the source argument is USER. If specified, the
limit for this argument is 0 to 50 ° C.
Remarks
PG7000 has an internal ambient temperature sensor that can be used as the source of
ambient temperature values in calculations. You may also request that another source be
used for this measurement.
The measurement source can be the internal sensor, a user defined fixed value or the
manufacturer’s fixed default value. The SETUP function allows 19 separate source
configurations for the various SETUP variables to be saved in 19 files. The SETUP
command selects which of the files to make active. The SETUP command selects which of
the 19 to use. Setup number 1 is restricted as INTERNAL only to serve as a
manufacturer’s fixed Setup, and cannot be changed.
The meas argument is used to allow the user to define a fixed value if the source is set to
USER. The reply will always include the source and the meas fields.
Example Typical
command:
Typical reply:
“AMBT2=USER,22.00”
“USER, 22.0 dC”
Typical
command:
Typical reply:
“AMBT9=INTERNAL”
“INTERNAL, 23.2 dC”
Error
See 9.3.2 Error Messages
ERR
#1
ERR #2
ERR #3
The setup number x is invalid
The source argument is invalid
The meas argument is invalid
See Also
1.2.1.2, 3.1, 3.9.6, 3.10, SETUP
AMB
Purpose
To read all of the ambient conditions from the sources defined by the current setup.
Syntax “AMB”
Default N/A
Argument none
Remarks
PG7000 calculations use five ambient conditions to calculate the current pressure. The
source of these ambient conditions is defined by the current setup (see the SETUP
command).
These ambient values can be read at once using this command. They are returned
along with the measurement units, and are separated by commas. The units and
resolution of the measurement fields are fixed. The format returned is:
“xxx.xxxx kPaa, xxx.x Paa, xxx %, xx.xx dC, xx.xx dC”
The first field is the atmospheric pressure.
The second field is the vacuum under the bell jar (PG76XX only).
The third field is the relative humidity.
The fourth field is the ambient temperature.
The fifth field is the piston-cylinder temperature.
Example Typical
command:
Typical reply:
“AMB”
“98,4594 kPaa, 18.3 Paa, 24%, 23.45 dC, 22.53 dC
Error None
See Also
1.2.1.2, 3.1, 3.9.6, 3.10, SETUP
Содержание PG7000
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