Section 11: TSP command reference Series 3700A System Switch/Multimeter Reference Manual
11-388 3700AS-901-01 Rev. D/June 2018
Details
This attribute is used to read or write to the service request enable register. Reading the service
request enable 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.
* Least significant bit
** Most significant bit
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to Status register set
contents (on page C-1) and Enable and transition registers (on page C-19). The individual bits of this
register are defined in the following table.
status.MEASUREMENT_SUMMARY_BIT
status.MSB
Set summary bit indicates that an enabled event in
the Measurement Event Register has occurred.
Bit B0 decimal value: 1
status.SYSTEM_SUMMARY_BIT
status.SSB
Set summary bit indicates that an enabled event in
the System Summary Register has occurred.
Bit B1 decimal value: 2
status.ERROR_AVAILABLE
status.EAV
Set summary bit indicates that an error or status
message is present in the error queue.
Bit B2 decimal value: 4
status.QUESTIONABLE_SUMMARY_BIT
status.QSB
Set summary bit indicates that an enabled event in
the Questionable Status Register has occurred.
Bit B3 decimal value: 8
status.MESSAGE_AVAILABLE
status.MAV
Set summary bit indicates that a response message
is present in the output queue.
Bit B4 decimal value: 16
status.EVENT_SUMMARY_BIT
status.ESB
Set summary bit indicates that an enabled event in
the Standard Event Status Register has occurred.
Bit B5 decimal value: 32
status.OPERATION_SUMMARY_BIT
status.OSB
Set summary bit indicates that an enabled event in
the Operation Status Register has occurred.
Bit B7 decimal value: 128
As an example, to set bit B0 of the service request enable register, set status.request_enable
= status.MSB.
In addition to the above values, requestSRQEnableRegister can be set to the numeric equivalent
of the bit to set. To set more than one bit of the register, set requestSRQEnableRegister to the
sum of their decimal weights. For example, to set bits B0 and B7, set
requestSRQEnableRegister to 129 (1 + 128).
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