[SENSe:]TEMPerature:TRANsducer:TCouple:RJUNction
Syntax
[SENSe:]TEMPerature:TRANsducer:TCouple:RJUNction {<temperature>|MIN|MAX|DEF} [, (@<ch_list>)]
[SENSe:]TEMPerature:TRANsducer:TCouple:RJUNction? [{(@<ch_list>)|MIN|MAX}]
Description
This command sets the fixed reference junction temperature in degrees Celsius for thermocouple measurements on the specified channels. If you omit the optional <ch_list> parameter, this command applies to the internal DMM, independent of any channels or a scan list.
Used With:
34921A Armature Multiplexer (with optional 34921T Terminal Block)
34922A Armature Multiplexer
34923A Reed Multiplexer (differential mode only)
34924A Reed Multiplexer
Parameters
|
Name |
Type |
Range of Values |
Default Value |
|
<temperature> |
Discrete |
Any temperature between -20 MIN = -20 |
0.0 |
|
<ch_list> |
Numeric |
One or more channels in the form (@sccc). |
If <ch_list> is omitted, this command applies to the internal DMM. |
Remarks
If you omit the optional <ch_list> parameter, the configuration applies to the internal DMM, independent of any channels or a scan list (any existing scan list is not redefined). An error is generated if the internal DMM is not installed or is disabled.
Thermocouple measurements directed at the internal DMM (i.e., no <ch_list> specified) require that a fixed reference junction temperature be used (see [SENSe:]TEMPerature:TRANsducer:TCouple:RJUNction:TYPE command).
For this command, you must always specify the temperature in degrees Celsius regardless of the temperature units currently selected (see UNIT:TEMPerature command).
The instrument sets the thermocouple junction to 0
°C after a Factory Reset (*RST command). An Instrument Preset (SYSTem:PRESet command) or Card Reset (SYSTem:CPON command) does not change the setting.
Return Format
The query command returns the fixed reference junction temperature in the form "+0.00000000E+00" for each channel specified (always in degrees Celsius). Multiple responses are separated by commas.
Examples
The following command sets the fixed reference junction
temperature to 20
TEMP:TRAN:TC:RJUN 20.0, (@1003,1013)
The following query reads the fixed reference junction temperature (always in degrees Celsius) on channels 3 and 13 in slot 1.
TEMP:TRAN:TC:RJUN? (@1003,1013)
Typical Response: +2.00000000E+01,+2.00000000E+01