Fluke MOLBOX RFM Operation And Maintenance Manual page 129

PUNIT(=)
Purpose Read or set the pressure display unit of measure.
Syntax "PUNIT=unit"
Defaults "PUNIT"
Arguments unit:
Remarks This command determines what unit of measure is used to
display pressure.
Example Command:
Reply:
Errors ERR# 7:
See Also 3.3.2
PURGE(=)
Purpose Read the progress of or start the purge cycle.
Syntax "PURGE=period"
"PURGE"
Arguments period:
Remarks The purge cycle takes the specified time period to complete.
The PURGE command is used to first start the purge cycle, and
then to query how many seconds are left or if the cycle is
complete. While the purge cycle is executing, a 'b' ("busy") will
appear in the third character position of the "FR" and the "SR"
command replies.
The "PURGE" command must be completed or aborted using the
"ABORT" command before performing another operation.
Example Command:
Reply:
Command:
Reply:
Reply:
Errors ERR# 6:
See Also 3.2.4.2
RANGE
Purpose Read the range designation of the active molbloc.
Syntax "RANGE"
Remarks The range designation of the active molbloc is returned in the
flow units used to define the range.
molbloc range is dependent on the gas being flowed and the
molbloc pressure dependent calibration type. Do not assume the
usable range is equal to the range designation.
Example Command:
Reply:
See Also 1.2.4.3 and 1.2.4.4, "MOLBLOC", "DEVICE=EXT"
Page 119
The text corresponding to the pressure unit of
measure. The pressure unit protocol is the same
as the protocol used for front panel entries and
displays.
"PUNIT=MPA"
"MPa"
The unit is invalid.
The period of time over which to purge (1 .. 999
seconds).
"0" aborts the purge cycle and returns to normal
operation.
"PURGE=30"
"30 sec"
"PURGE"
"12 sec" (purge cycle has 12 sec left)
"OK" (purge cycle is complete)
The argument is invalid.
"RANGE"
"10.00 sccm"
© 1998-2007 DH Instruments, a Fluke Company
4. REMOTE OPERATION
Note that the effective