Tektronix KEITHLEY 2200 Series, Programming Reference Manual

Page: 71 / 104

Status and Events
Figure 3-4: OISR bit functions
Table 3-3: OISR bit functions
Bit Function
7
———— This bit is not used.
6
———— This bit is not used.
5
———— This bit is not used.
4
———— This bit is not used.
3 INST3
STATus:OPERation:INSTrument:ISUMmary3
is
reported to INST3.
2 INST2
STATus:OPERation:INSTrument:ISUMmary2
is
reported to INST2.
1
INST1
STATus:OPERation:INSTrument:ISUMmary1
is
reported to INST1.
0
———— This bit is not used.
The Operation Status Register (OSR). The Operation Status Register is made up of
8 bits which note the occurrence of four types of events as shown here.
Figure 3-5: OSR bit functions
Table 3-4: OSR bit functions
Bit Function
7
———— This bit is not used.
6
———— This bit is not used.
5
———— This bit is not used.
4
———— This bit is not used.
3 ON Output is ON or OFF.
2 CAL New calibration parameters are being calculated.
1 CC Constant current.
0
CV Constant voltage.
The Questionable Instrument Status Register (QISR). The Questionable Instrument
Status Register is made up of 16 bits which note the occurrence of three types of
events as shown here.
Series 2200 Programmable Multichannel DC Power Supplies Programmer Manual 3-5