Keithley 2601B Reference Manual page 845

Appendix G: Model 2400 emulation
Status model
While in Model 2400 emulation mode, the following bits in the status model are always set to 0 (not
supported):
Operation Condition Register:
•
Bit 0 (Cal), bit 5 (Trig), bit 6 (Arm)
Measurement Condition Register:
•
Bit 10 (CC), bit 13 (OVP)
Questionable Condition Register:
•
Bit 14 (Warn)
Standard Event Status Register:
•
Bit 2 (QYE)
Overrange
When running a sweep while in Model 2400 emulation mode, the instrument cannot source more than
the selected source range value.
Logarithmic sweep
While in Model 2400 emulation mode, when the start and stop points of a logarithmic sweep are not
of same polarity or one of them is a zero (0), the script generates a "900" error; a non-emulated
Model 2400 does not generate this error.
G-4
Series 2600B System SourceMeter® Instrument Reference Manual
2600BS-901-01 Rev. B / May 2013