Keithley 2651A Reference Manual page 629

Model 2651A High Power System SourceMeter® Instrument Reference Manual
Usage
enableRegister = status.system4.condition
enableRegister = status.system4.enable
enableRegister = status.system4.event
enableRegister = status.system4.ntr
enableRegister = status.system4.ptr
status.system4.enable = enableRegister
status.system4.ntr = enableRegister
status.system4.ptr = enableRegister
enableRegister
Details
In an expanded system (TSP-Link), these attributes are used to read or write to the system summary registers.
They are set using a constant or a numeric value, but are returned as a numeric value. The binary equivalent of
the value indicates which register bits are set. In the binary equivalent, the least significant bit is bit B0, and the
most significant bit is bit B15. For example, if a value of 1.29000e+02 (which is 129) is read as the value of the
condition register, the binary equivalent is 0000 0000 1000 0001. This value indicates that bit B0 and bit B7 are
set.
B15 B14
** >
0 0
* Least significant bit
** Most significant bit
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to
2) and Enable and transition registers
meanings:
Bit Value
B0
status.system4.EXTENSION_BIT
status.system4.EXT
B1
status.system4.NODE43
B2
status.system4.NODE44
B3
status.system4.NODE45
B4
status.system4.NODE46
B5
status.system4.NODE47
B6
status.system4.NODE48
B7
status.system4.NODE49
B8
status.system4.NODE50
B9
status.system4.NODE51
B10
status.system4.NODE52
B11
status.system4.NODE53
B12
status.system4.NODE54
B13
status.system4.NODE55
B14
status.system4.NODE56
B15 Not used
2651A-901-01 Rev. A / March 2011
The system summary 4 register's status. A zero (0) indicates no bits set; other
values indicate various bit settings
B13 B12 B11 B10
> > > >
0 0 0 0
(on page E-18). The individual bits of this register have the following
B9 B8 B7 B6
> > > >
0 0 1 0
Description
Bit B0 decimal value: 1
Bit B1 decimal value: 2
Bit B2 decimal value: 4
Bit B3 decimal value: 8
Bit B4 decimal value: 16
Bit B5 decimal value: 32
Bit B6 decimal value: 64
Bit B7 decimal value: 128
Bit B8 decimal value: 256
Bit B9 decimal value: 512
Bit B10 decimal value: 1024
Bit B11 decimal value: 2048
Bit B12 decimal value: 4096
Bit B13 decimal value: 8192
Bit B14 decimal value: 16384
Not applicable
Section 7: Command reference
B5 B4 B3 B2
> > > >
0 0 0 0
Status register sets
B1 B0
> *
0 1
(on page E-
7-321