Section 7: TSP command reference Model 2657A High Power System SourceMeter® Instrument Reference Manual
7-288 2657A-901-01 Rev. B/December 2012
A set bit indicates the specified timer generated an action overrun because it was still processing a delay from a
previous trigger when a new trigger was received.
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to Status register set contents (on
page E-1) and Enable and transition registers
(on page E-19). The individual bits of this register are defined in
the following table.
Bit Value Description
B0 Not used Not applicable
B1
status.operation.instrument.trigger_timer.trigger_overrun.TMR1
Bit B1 decimal
value: 2
B2
status.operation.instrument.trigger_timer.trigger_overrun.TMR2
Bit B2 decimal
value: 4
B3
status.operation.instrument.trigger_timer.trigger_overrun.TMR3
Bit B3 decimal
value: 8
B4
status.operation.instrument.trigger_timer.trigger_overrun.TMR4
Bit B4 decimal
value: 16
B5
status.operation.instrument.trigger_timer.trigger_overrun.TMR5
Bit B5 decimal
value: 32
B6
status.operation.instrument.trigger_timer.trigger_overrun.TMR6
Bit B6 decimal
value: 64
B7
status.operation.instrument.trigger_timer.trigger_overrun.TMR7
Bit B7 decimal
value: 128
B8
status.operation.instrument.trigger_timer.trigger_overrun.TMR8
Bit B8 decimal
value: 256
B9-B15 Not used Not applicable
As an example, to set bit B1 of the operation status trigger timer trigger overrun enable register, set
status.operation.instrument.trigger_timer.trigger_overrun.enable =
status.operation.instrument.trigger_timer.trigger_overrun.TMR1.
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 B4, set operationRegister to 18 (which is the sum of 2 + 16).
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 1,024 512 256
Weights
(2
15
) (2
14
) (2
13
) (2
12
) (2
11
) (2
10
) (2
9
) (2
8
)
Example
status.operation.instrument.trigger_timer.trigger_overrun.enable =
status.operation.instrument.trigger_timer.trigger_overrun.TMR3
Uses a
constant to
set the timer
3 bit of the
operation
status trigger
timer overrun
enable
register.
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