Fluke RPM4 manual Classic GPIB=addr, Classic HEAD=height, units, fluid

4. REMOTE OPERATION

GPIB

Purpose	Read or set the GPIB interface address.
Command	“GPIB addr”
Query	“GPIB?”
Classic	“GPIB=addr”
	“GPIB”
Defaults	“GPIB 10”
Arguments	Addr:	The address of the IEEE-488 (GPIB) interface (1 to 30)
Remarks	The GPIB address is changed following the reply of this command. Each device on a GPIB
	interface bus requires a unique address.
Example	Cmd sent:	“GPIB 21”
(enhanced)	Query reply	“21”	(No reply if GPIB-488)
Example	Cmd sent:	“GPIB? 21”
(enhanced)	Query reply	“21”
Example	Sent:	“GPIB=21”
(classic)	Reply:	“21”
Errors	ERR# 6:	The argument is not within given limits.
See Also:	3.5.2.2
HEAD
Purpose	Read or set the fluid head settings.
Command	“HEAD height, units, fluid”
Query	“HEAD?”
Classic	“HEAD=height, units, fluid”
	“HEAD”
Defaults	“HEAD 0, cm, N2”
Arguments	height:	The height of the test in relation to the RPM4. The value is positive if the test is
		above the RPM4, or negative if below the RPM4. The value can be between -
		9999 and 9999. Setting the value to ‘0’ disables the head correction.
	units:	The height units. This must be “in” or “cm”.
	gas:	The fluid type. This must be “N2”, “Air”, “He”, “Oil”, “H2O”, or “User”.
Remarks	The RPM4 can make a fluid head correction to allow it to display the pressure at a level other than
	the reference level of the RPM4.
Example	Cmd sent:	“HEAD? 10,in,N2”
(enhanced)	Query reply:	“10, in, N2”
Example	Sent:	“HEAD=10,in,N2”
(classic)	Reply:	“10, in, N2”
Errors	ERR# 2:	The fluid text is too long
	ERR# 6:	The height is not within given limits or the unit is invalid.
	ERR #7:	The fluid text is invalid
See Also:	3.3.7, 3.5.3
ID
Purpose	Read or set the user defined instrument identification label.
Command	“ID string”
Query	“ID”
Classic	“ID=string”
	“ID”
Arguments	String:	An alphanumeric string up to 12 characters long.
Remarks	The user defined ID label can be used to allow the user to “tag” the RPM4 with a unique
	identifier. This ID is stored in non-volatile memory and cannot be erased by a power failure,
	system fault or reset. The ID should not be changed frequently, as the non-volatile memory
	may fail after 100,000 write operations.
Example	Cmd sent:	“ID RPM4 #A01”
(enhanced)	Query reply	“RPM4 #A01”	(No reply if GPIB-488)
Example	Cmd sent:	“ID? RPM4 #A01”
(enhanced)	Query reply	“RPM4 #A01”
Example	Sent:	“ID=RPM4 #A01”
(classic)	Reply:	“RPM4 #A01”
Errors	ERR# 2	Text argument is too long (more than 12 characters)
See Also	3.5.5.4

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