Status.request_Enable - Keithley 2651A Reference Manual

Section 7: Command reference
Details
These attributes are used to read or write to the questionable status unstable output summary registers. Reading
a status register returns a value. The binary equivalent of the returned value indicates which register bits are set.
The least significant bit of the binary number is Bit B0, and the most significant bit is Bit B15.
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.questionable.unstable_output.SMUA
B2-B15 Not used
In addition to the above constants, questionableRegister can be set to the numeric equivalent of the bit to
set.
Example
status.questionable.unstable_output.enable =
status.questionable.unstable_output.SMUA
Also see
Questionable Status Registers
status.questionable.*

status.request_enable

This attribute stores the service request (SRQ) enable register.
Type TSP-Link accessible
Attribute (RW) Yes
Usage
requestSRQEnableRegister = status.request_enable
status.request_enable = requestSRQEnableRegister
requestSRQEnableRegister
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.
7-308
Model 2651A High Power System SourceMeter® Instrument Reference Manual
(on page E-18). The individual bits of this register have the following
(on page E-21)
(on page 7-300)
Affected by
Status reset
The service request (SRQ) enable register's status. A zero (0) indicates
no bits set (also send 0 to clear all bits); other values indicate various bit
settings
Status register sets
Description
Not applicable.
Set bit indicates that an unstable output
condition was detected.
Bit B1 decimal value: 2
Binary value: 0000 0010
Not applicable.
Sets the SMU A bit in the
questionable status unstable output
summary enable register bit using a
constant.
Where saved Default value
Not saved 0
2651A-901-01 Rev. A / March 2011
(on page E-