Models 707B and 708B Switching Matrix Reference Manual
Section 7: Command reference
707B-901-01 Rev. A / August 2010
7-181
Details
Although the status logical instrument reset affects these attributes, a system reset does not.
These attribute's values are set using a constant or a decimal value, but are returned as a decimal 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
1.02
(which is 129) is
read as the value of the condition register, the binary equivalent is
10000001
. This value indicates that bit B0
and bit B7 are set.
B15
B14
B13
B12
B11
B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
** > > > > > > > > > > > > > > *
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
* Least significant bit
** Most significant bit
Assigning a value to this attribute enables one or more status events. When an enabled status event occurs, a
the corresponding bit is set in the event register.
The individual bits of the status byte condition register can be set to the following described values (for example,
to set bit B0 of the user operation status register, set
status.operation.user.enable
=
status.operation.user.BIT0)
:
Bit Value
Description
B0
status.operation.user.BIT0
Bit 0 decimal value: 1
B1
status.operation.user.BIT1
Bit 1 decimal value: 2
B2
status.operation.user.BIT2
Bit 2 decimal value: 4
B3
status.operation.user.BIT3
Bit 3 decimal value: 8
B4
status.operation.user.BIT4
Bit 4 decimal value: 16
B5
status.operation.user.BIT5
Bit 5 decimal value: 32
B6
status.operation.user.BIT6
Bit 6 decimal value: 64
B7
status.operation.user.BIT7
Bit 7 decimal value: 128
B8
status.operation.user.BIT8
Bit 8 decimal value: 256
B9
status.operation.user.BIT9
Bit 9 decimal value: 512
B10
status.operation.user.BIT10
Bit 10 decimal value: 1024
B11
status.operation.user.BIT11
Bit 11 decimal value: 2048
B12
status.operation.user.BIT12
Bit 12 decimal value: 4096
B13
status.operation.user.BIT13
Bit 13 decimal value: 8192
B14
status.operation.user.BIT14
Bit 14 decimal value: 16384
B15
Not used
Not applicable
In addition to the above constants,
operationRegister
can be set to the decimal equivalent of the bit to set.
To set more than one bit of the register, set
operationRegister
to the sum of their decimal weights. For
example, to set bits B11 and B14, set
operationRegister
to 18,432 (which is the sum of 2048 + 16,384).
Bit
B7 B6 B5 B4 B3 B2 B1 B0
Binary
value
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
Decimal
128
64 32 16 8 4 2 1
Weights (2
7
) (2
6
) (2
5
) (2
4
) (2
3
) (2
2
) (2
1
) (2
0
)
Bit
B15 B14 B13 B12 B11 B10 B9 B8
Binary
value
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
Decimal
32,768
16,384
8,192 4,096 2,048 1024 512 256
Weights (2
15
) (2
14
) (2
13
) (2
12
) (2
11
) (2
10
) (2
9
) (2
8
)
