DH Instruments PPC3 - Page 122

PPC3™ OPERATION AND MAINTENANCE MANUAL
© 2002-2007 DH Instruments, a Fluke Company Page 112
VENT
Purpose Read, execute or abort a vent process.
Command
Query
“VENT n”
“VENT?”
Classic “VENT=n”
“VENT”
Arguments N: ’1’ to start a vent process.
’0’ to abort a vent process and close the exhaust valve.
Remarks The PPC3 vents by setting pressure close to atmospheric and then opening the vent valve.
This program message query returns a ‘0’ if the vent valve is closed, or a ‘1’ if the vent valve
is open.
In gauge measurement modes, a “PS” command of zero is interpreted as a vent command.
Example
(enhanced)
Cmd sent:
Query reply:
“VENT 1”
“0” (if not finished venting) (No reply if GPIB-488)
“1” (if vented) (No reply if GPIB-488)
Example
(enhanced)
Cmd sent:
Query reply:
“VENT? 1”
“0” (if not finished venting)
“1” (if vented)
Example
(classic)
Sent:
Reply:
“VENT=1”
“VENT=0” (if not finished venting)
“VENT=1” (if vented)
Errors ERR# 6: The argument is not a ‘0’ or a ‘1’.
See Also “PS”
3.1.3 , 3.3.10.2
VER
Purpose Identify the PPC3, US or SI units, the Q-RPT labels and the software version.
Query “VER?”
Classic “VER”
Remarks The software version of the PPC3 can be read. This is useful for checking for the presence of
the PPC3 and for reference purposes. It indicates the internal Q-RPT(s) and software version.
Example
(enhanced)
Query sent:
Query reply:
“VER?”
“DH INSTRUMENTS, INC PPC3 us A350K/BG15K Ver1.00 ”
Example
(classic)
Query sent:
Query reply:
“VER”
“DH INSTRUMENTS, INC PPC3 us A350K/BG15K Ver1.00 ”
See Also None
ZNATERRn:HI and ZNATERRn:LO (PPC2+ legacy version)
Purpose
This command is included for reverse compatibility with PPC2+. PPC3 has not
ZNATERR. The command has no effect on PPC3 and always returns “0”, regardless of
the value set.
See the PPC2 or PPC2+ manual for details on the use of this command.
See Also “ZOFFSET:IH”, “ZOFFSET:IL”
3.5.1