Section 7: Command reference Model 2651A High Power System SourceMeter® Instrument Reference Manual
7-310 2651A-901-01 Rev. A / March 2011
Example 2
-- decimal 129 = binary 10000001
requestSRQEnableRegister = 129
status.request_enable = requestSRQEnableRegister
Sets the MSB and OSB bits of the
service request (SRQ) enable register
using a decimal value.
Also see
status.condition (on page 7-250)
status.system.*
(on page 7-314)
Status model overview
(on page E-4)
Status byte and service request (SRQ)
(on page E-14)
status.request_event
This attribute stores the service request (SRQ) event register.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (R) Yes Not applicable Not saved 0
Usage
requestSRQEventRegister = status.request_event
requestSRQEventRegister
The request event register's status. A zero (0) indicates no bits set; other
values indicate various bit settings
Details
This attribute is used to read the service request event register, which is returned as a numeric value. Reading
this register returns a value. The binary equivalent of the value of this attribute indicates which register bits are
set. In the binary equivalent, the least significant bit is bit B0, and the most significant bit is bit B7. For example, if
a value of 1.29000e+02 (which is 129) is read as the value of this register, the binary equivalent is 1000 0001.
This value indicates that bit B0 and bit B7 are set.
B7 B6 B5 B4 B3 B2 B1 B0
** > > > > > > *
1 0 0 0 0 0 0 1
* Least significant bit
** Most significant bit
The returned value can indicate one or more status events occurred.
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