VT1422A Command Reference 273Chapter 7
CALibration

CALibration:TARE?

CALibration:TARE? Returns a value to indicate the success of the last CAL:TARE
operation. CAL:TARE? returns the value only after the CAL:TARE operation
is complete.
•Returned Value:
The data type for this returned value is int16.
•Executing CAL:TARE sets the Calibrating bit (bit 0) in Operation Status Group.
Executing CAL:TARE? resets the bit.
•Related Commands: CAL:STOR TARE
•Send with VXIplug&play Function: hpe1422_cmdInt16_Q(...)
Command
Sequence
CAL:TARE <ch_list >to correct channel offsets
CAL:TARE? to return the success flag from the
CAL:TARE operation
CAL:STORE TARE Optional depending on necessity of long
term storage

CALibration:VALue:RESistance

CALibration:VALue:RESistance <ref_ohms> sends the just-measured value of
the on-board reference resistor to the module for A/D calibration.
Parameters

Comments •Use the CAL:CONF:RES command to configure the reference resistor for

measurement at the Calibration Bus connector.
•A four-wire measurement of the resistor can be made with an external multimeter
connected to the HCAL, LCAL, HOHM and LOHM terminals on the T erminal
Module or the VH, VL, ΩH, and ΩL terminals on the Cal Bus connector
when not using a terminal module.
Value Meaning Further Action
0 Cal OK None
-1 Cal Error Query the Error Queue (SYST:ERR?)
See “Error Messages” on page 453.
Also run *TST?
-2 No results available Perform CAL:TARE
before CAL:TARE?
Parameter
Name Parameter
Type Range of
Value Default
Units
ref_ohms numeric (float32) 7,500 ± 5% ohms