– This command applies only to 2-wire and 4-wire RTD measurements on the 100 Ω, 1 kΩ, and 10 kΩ ranges.
Once enabled, offset compensation is applied to both 2-wire and 4-wire RTD measurements on the specified
channels.
– For 4-wire resistance measurements, the instrument automatically pairs channel n in Bank 1 with channel n+10
in Bank 2 (DAQM900A or DAQM901A) or n+8 (DAQM902A) to provide the source and sense connections. For
example, make the source connections to the HI and LO terminals on channel 02 in Bank 1 and the sense con-
nections to the HI and LO terminals on channel 12 (DAQM900Aor DAQM901A) or 10 (DAQM902A) in Bank
2.Specify the paired channel in Bank 1 (source) as the <ch_list> channel (paired channels in Bank 2 are not
allowed in the <ch_list>).
– The CONFigure and MEASure? commands automatically disable offset compensation.
– Applies only to resistance measurements on the 100 Ω, 1kΩ, 10 kΩ, and 100 kΩ ranges.
– This parameter is set to its default value after a Factory Reset (*RST command).
[SENSe:]TEMPerature:TRANsducer:{RTD | FRTD}:POWer:LIMit[:STATe] {OFF | ON} [, (@<ch_list>)]
[SENSe:]TEMPerature:TRANsducer:{RTD | FRTD}:POWer:LIMit[:STATe]? [(@<ch_list>)]
Enables or disables low-power for 2-wire and 4-wire resistance measurements.
Only supported in DAQM901A, DAQM902A, and DAQM908A multiplexer modules.
Parameter is shared between RTD and FRTD measurements. Setting or querying the parameter with the RTD
version of this command is identical to setting or querying it with the FRTD version.
This command is not supported in DMM Digitize data acquisition mode. Error -221,"Settings conflict; DMM
digitizing mode has been disabled" will be generated when you send the command to enable low-power for
2-wire or 4-wire RTD temperature measurement in DMM Digitize mode.
Parameter Typical return
{OFF | ON}. Default: OFF 0 (OFF) or 1 (ON)
Configure 4-wire resistance measurements using a 10 PLC integration time. Enable low-power 4-wire res-
istance measurements. Then make and read one measurement:
CONF:TEMP:FRTD
TEMP:TRANS:FRTD:NPLC 10
TEMP:TRANS:FRTD:POW:LIM ON
READ?
Typical Response: +6.27530000E+01
– Low-power resistance measurements apply to the 100 Ω through 100 kΩ ranges only. The 1 MΩ through 1 GΩ
ranges source the same current regardless of the low-power setting.
– This parameter is set to its default value after a Factory Reset (*RST command).
262
Keysight DAQ970A/DAQ973A Programming Guide
2 SCPI Programming
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