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RPM4™ OPERATION AND MAINTENANCE MANUAL
© 2004-2007 DH Instruments, a Fluke Company Page 96
MSGFMT
Purpose Read or set the type of program command format to use (enhanced or classic).
Command
Query
“MSGFMT mode
“MSGFMT?”
Classic “MSGFMT= mode
“MSGFMT”
Arguments mode: ‘1’ to use the enhanced command format.
‘0’ to use the classic command format.
Defaults “MSGFMT 0”
Remarks The user can select the type of remote command format to use. This format must agree with the
format sent to the RPM4
The enhanced query form of this command (“MSGFMT? n”) should always be used to set the
desired format, as it will be accepted regardless of the current format (classic or enhanced).
It is recommended to use the “L2” and “L3” commands instead of this command for new designs.
Example
(enhanced)
Cmd sent:
Query reply:
“MSGFMT 1”
“1” (No reply if IEEE-488)
Example
(enhanced)
Cmd sent:
Query reply:
“MSGFMT? 1”
“1”
Example
(classic)
Sent:
Reply:
“MSGFMT=1”
“MSGFMT=1”
Errors ERR# 6: Missing or improper program message argument(s).
See Also “L2 / L3”
4.3, 3.5.2.3
NVENTn
Purpose Read or set the status of low (negative) vent valve (Gxxx or BGxxx Q-RPT only)
Command
Query
“NVENTn mode”
“NVENTn?”
Classic “NVENTn= mode”
“NVENTn”
Default “NVENTn AUTO”
“n”
The active Q-RPT is assumed if no suffix is given. The “Hi” Q-RPT is assumed if the
HL Q-RPT is active and no suffix is given.
‘1’ Specify the Hi Q-RPT
Optional Suffix
‘2’ Specify the Lo Q-RPT
Arguments Mode: ’0’ to close the low vent valve.
’1’ to open the low vent valve.
‘AUTO’ for the RPM4 to automatically open and close the low vent valve.
Remarks Gxxx or BGxxx Q-RPTs each have a low vent valve that is used to vent the TEST(-) port.
This valve is normally controlled automatically depending on current RPM4 operation but it can
be commanded to open or close using the “NVENT” command.
The reply includes two fields. The first indicates the low vent status. The second indicates
whether the low vent function is AUTO or MANUAL
Example
(enhanced)
Cmd sent:
Query reply:
“NVENT? 0”
“0, MANUAL”
Example
(enhanced)
Cmd sent:
Query reply:
“NVENT? AUTO”
“1, AUTO”
Example
(classic)
Sent:
Query reply:
“NVENT=1”
“0, MANUAL”
See Also 3.5.7.4