User manual

Section 13: Instrument Control Library (ICL) Series 3700 System Switch/Multimeter Reference Manual
13-138 3700S-901-01 Rev. C / July 2008
dmm.func
Attribute
Sets or indicates the selected function for the DMM.
Usage
To read the function:
myfunc = dmm.func
myfunc: string indicating the presently selected DMM function
To write the function:
dmm.func = myfunc
myfunc: string representing the desired active DMM function
Set myfunc to one of the following:
"dcvolts" or dmm.DC_VOLTS
"acvolts", or dmm.AC_VOLTS
"dccurrent" or dmm.DC_CURRENT
"accurrent" or dmm.AC_CURRENT
"twowireohms" or dmm.TWO_WIRE_OHMS
"fourwireohms" or dmm.FOUR_WIRE_OHMS
"temperature" or dmm.TEMPERATURE
"frequency" or dmm.FREQUENCY
"period" or dmm.PERIOD
"continuity" or dmm.CONTINUITY
"commonsideohms" or dmm.COMMON_SIDE_OHMS
"nofunction" or dmm.NO_FUNCTION
Remarks
Setting this attribute changes the selected DMM function and indicates how the other
DMM attributes are to be processed. It does not modify any attribute of the DMM
except the one indicating the selected DMM functionality. However, the DMM gets
updated to use the current values for each attribute that pertains to the newly selected
function. The current values being used are the ones from when the selected function
was last active.
An error will be generated if the setting does not match one of the ones specified in
usage. If an error is found, no change is made to the function.
Default setting is "dcvolts". An error will occur if a user DMM configuration name is
used to set the function.