Keithley 2280 Series Reference Manual

Appendix D: Status model Series 2280 Precision DC Power Supply Reference Manual
D-16 077085503 / March 2019
Questionable Instrument Summary Event Register
The bits of Questionable Instrument Summary Event Register are described in the following figure
and table.
Figure 130: Series 2280 Questionable Instrument Summary Event Register
Bit
Decimal
value
Bit name
When set, indicates the following has occurred:
0
1
CC
The output is in constant current mode.
1
2
CV
The output is in constant voltage mode.
2
4
OCP
The overcurrent protection circuit has tripped.
3
8
OVP
The overvoltage protection circuit has tripped.
4
16
OTP
The overtemperature protection circuit has tripped.
5
32
SLV
Sense leads are reversed.
6
64
OUTP
Output is enabled.
7 through 15
Not used
Not used
NA

Keithley 2280 Series Specifications

General

Brand	Keithley
Model	2280 Series
Category	Power Supply
Language	English