2-44 Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3
Driver Functions
agb1500_scuuPath
agb1500_scuuPath
This function is available for the Agilent B1500 installed with the multi frequency
capacitance measurement unit (MFCMU) and the SMU CMU unify unit (SCUU).
To use the SCUU, connect it to the MFCMU and two SMUs (MPSMU or HRSMU)
correctly. The SCUU cannot be used with the HPSMU or when only one SMU is
connected. This function is not effective when the High Voltage indicator of the
Agilent B1500 has been lighted.
This function controls the connection path of the SCUU and switches the SCUU
input resource (MFCMU or SMU) to be connected to its output.
When the B1500 is turned on, the SCUU input to output connection is not made
(open). When the SCUU input to output connection is made, the measurement unit
output switch will be automatically set to ON.
Syntax ViStatus _VI_FUNC agb1500_scuuPath(ViSession vi, ViInt32 channel, ViInt32
path)
Parameters vi Instrument handle returned from agb1500_init( ).
channel Slot number where the MFCMU has been installed. The SCUU
must be connected to the MFCMU. See Table 2-2. channel=-1
detects the slot automatically.
path Path connected to the SCUU output. 1 to 4. See Table 2-9.
Remarks When the connection is changed from SMU to MFCMU, the SMU output will be set
as follows. The other setup parameters are not changed.
Output voltage 0 V
Output range 100 V
Compliance 20 mA
Series resistance OFF
When the connection is changed from MFCMU to SMU, the SMU output will be set
as follows. The other setup parameters are not changed.
Output voltage 0 V
Output range 20 V
Compliance 100 μA
Series resistance Condition before the connection is changed from SMU to
MFCMU
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