DH Instruments PPC4, Operation And Maintenance Manual

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PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company Page 146
AUTOZERO
Purpose Read or set the status of the AutoZ function.
Command
Query
“AUTOZERO n ”
“AUTOZERO?”
Classic “AUTOZERO= n ”
“AUTOZERO”
Default “AUTOZERO 1”
Arguments n :
’0’ Autozero OFF
’1’ Autozero ON
Remarks The PPC4 AutoZ function can be turned ON and OFF. There is a separate AutoZ flag
for the gauge and absolute modes for each RPT. This command sets the AutoZ status
for the current mode of the active internal or external RPT only.
Example
(enhanced)
Cmd sent:
Query reply:
“AUTOZERO 0”
“0” (No reply if IEEE-488)
Example
(enhanced)
Cmd sent:
Query reply:
“AUTOZERO? 0”
“0”
Example
(classic)
Sent:
Query reply:
“AUTOZERO=1”
“AUTOZERO=0”
Errors ERR# 6: The argument was other than a ‘0’ or a ‘1’.
See Also “ZOFFSET”, “MMODE”
3.2.22
CALAMB
Purpose Read or set the on-board barometer calibration coefficients.
Command
Query
“CALAMB adder, mult, CalDate ”
“CALAMB?”
Classic “CALAMB =adder, mult, CalDate ”
“CALAMB”
Defaults “CALAMB = 0.0, 1.0, 19800101”
Arguments
Adder:
The Barometer calibration adder (PA).In Pascal.
Mult: The Barometer calibration multiplier (PM) from 0.1 to 100.
CalDate: The date of the calibration in the format “YYYYMMDD”
Remarks The barometer calibration information can be accessed with this program message. Using
this program message overwrites the current calibration coefficients, so caution must be
used. Changes made take effect immediately.
Example
(enhanced)
Cmd sent:
Query reply:
“CALAMB? 2.1, 1.000021, 20011201”
“ 2.10, 1.000021, 20011201” (No reply if IEEE-488)
Example
(classic)
Sent:
Reply:
“CALAMB=2.1, 1.000021, 20011201”
“ 2.1, 1.000021, 20011201”
Errors ERR# 6: One of the arguments is out of range.
See Also 3.2.27.3, 7.3