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Section 7: Command reference
A set bit indicates that the specified LAN trigger generated an action overrun when triggered to generate a trigger
packet.
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to
2) and
Enable and transition registers
meanings:
Bit
Value
B0
Not used
B1
status.operation.instrument.lan.trigger_overrun.LAN1
B2
status.operation.instrument.lan.trigger_overrun.LAN2
B3
status.operation.instrument.lan.trigger_overrun.LAN3
B4
status.operation.instrument.lan.trigger_overrun.LAN4
B5
status.operation.instrument.lan.trigger_overrun.LAN5
B6
status.operation.instrument.lan.trigger_overrun.LAN6
B7
status.operation.instrument.lan.trigger_overrun.LAN7
B8
status.operation.instrument.lan.trigger_overrun.LAN8
B9-B15
Not used
As an example, to set bit B1 of the operation status LAN trigger overrun enable register, set
status.operation.instrument.lan.trigger_overrun.enable =
status.operation.instrument.lan.trigger_overrun.LAN1.
In addition to the above constants, operationRegister can be set to the numeric 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 B1 and B8, set operationRegister to 258 (which is the sum of 2 + 256).
Bit
Binary value
Decimal
Weights
Bit
Binary value
Decimal
Weights
Example
operationRegister =
status.operation.instrument.lan.trigger_overrun.LAN1 +
status.operation.instrument.lan.trigger_overrun.LAN8
status.operation.instrument.lan.trigger_overrun.enable =
operationRegister
Also see
Operation Status Registers
status.operation.instrument.lan.*
7-278
Model 2651A High Power System SourceMeter® Instrument Reference Manual
(on page E-18). The individual bits of this register have the following
B7
B6
B5
0/1
0/1
0/1
128
64
32
7
6
5
(2
)
(2
)
(2
)
B15
B14
B13
0/1
0/1
0/1
32,768
16,384
8,192
15
14
13
(2
)
(2
)
(2
)
(on page E-20)
(on page 7-275)
Status register sets
B4
B3
B2
0/1
0/1
0/1
16
8
4
4
3
2
(2
)
(2
)
(2
)
B12
B11
B10
0/1
0/1
0/1
4,096
2,048
1024
12
11
10
(2
)
(2
)
(2
)
2651A-901-01 Rev. A / March 2011
(on page E-
Description
Not applicable
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
Not applicable
B1
B0
0/1
0/1
2
1
1
0
(2
)
(2
)
B9
B8
0/1
0/1
512
256
9
8
(2
)
(2
)
Sets bit B1 and bit B8 of
the operation status lan
trigger overrun enable
register using
constants.
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Troubleshooting
