Keithley 2601B Reference Manual page 603
2600b series system sourcemeter instrument
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Also See for 2601B:
- Quick start manual (19 pages) ,
- Instrument specifications (13 pages) ,
- Quick start manual (19 pages)
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Series 2600B System SourceMeter® Instrument Reference Manual
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to
page E-1) and
the following table.
Bit
B0*
B1*
B2-B6
B7
B8
B9-B15
* This bit will be updated only when a measurement is taken or smuX.source.compliance is invoked.
As an example, to set bit B0 of the measurement event SMU X summary enable register, set
status.measurement.instrument.smua.enable = status.measurement.instrument.smua.VLMT.
In addition to the above constants, measurementRegister can be set to the decimal equivalent of the bit to
set. To set more than one bit of the register, set measurementRegister to the sum of their decimal weights.
For example, to set bits B1 and B8, set measurementRegister to 258 (which is the sum of 2 + 256).
Bit
Binary value
Decimal
Weights
Bit
Binary value
Decimal
Weights
Example
status.measurement.instrument.smua.enable =
status.measurement.instrument.smua.VLMT
Also see
Measurement event registers
2600BS-901-01 Rev. B / May 2013
Enable and transition registers
Value
status.measurement.instrument.smuX.VOLTAGE_LIMIT
status.measurement.instrument.smuX.VLMT
status.measurement.instrument.smuX.CURRENT_LIMIT
status.measurement.instrument.smuX.ILMT
Not used
status.measurement.instrument.smuX.READING_OVERFLOW
status.measurement.instrument.smuX.ROF
status.measurement.instrument.smuX.BUFFER_AVAILABLE
status.measurement.instrument.smuX.BAV
Not used
B7
0/1
128
7
(2
)
B15
0/1
32,768
15
(2
)
(on page E-8)
(on page E-19). The individual bits of this register are defined in
B6
B5
B4
0/1
0/1
0/1
64
32
16
6
5
4
(2
)
(2
)
(2
)
B14
B13
B12
0/1
0/1
0/1
16,384
8,192
4,096
14
13
12
(2
)
(2
)
(2
)
Section 7: TSP command reference
Status register set contents
Description
Set bit indicates that the
voltage limit was
exceeded.
Bit B0 decimal value: 1
Set bit indicates that the
current limit was exceeded.
Bit B1 decimal value: 2
Not applicable.
Set bit indicates that an
overflow reading has been
detected.
Bit B7 decimal value: 128
Set bit indicates that there
is at least one reading
stored in either or both of
the dedicated reading
buffers.
Bit B8 decimal value: 256
Not applicable.
B3
B2
B1
0/1
0/1
0/1
8
4
2
3
2
1
(2
)
(2
)
(2
)
B11
B10
B9
0/1
0/1
0/1
2,048
1,024
512
11
10
9
(2
)
(2
)
(2
)
Sets the VLMT bit of the
measurement event SMU A
summary enable register
using a constant.
(on
B0
0/1
1
0
(2
)
B8
0/1
256
8
(2
)
7-263
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