Keithley 2600a series User Manual

2600AS-901-01 Rev. B / September 2008 Return to Section Topics 19-195
Series 2600A System SourceMeter® Instruments Reference Manual Section 19: Remote Commands
status.request_enable
Attribute Service request enable register.
TSP-Link
accessibility
This attribute can be accessed from a remote TSP-Link node.
Usage Reads service request enable register:
servenabreg = status.request_enable
Writes to service request enable register:
status.request_enable = servenabreg
Set servenabreg to one of the following values:
0 Clears all bits.
status.MEASUREMENT_SUMMARY_BIT Sets (enables) MSB bit (B0).
status.MSB Sets (enables) MSB bit (B0).
status.SYSTEM_SUMMARY_BIT Sets (enables) SSB bit (B1).
status.SSB Sets (enables) SSB bit (B1).
status.ERROR_AVAILABLE Sets (enables) EAV bit (B2).
status.EAV Sets (enables) EAV bit (B2).
status.QUESTIONABLE_SUMMARY_BIT Sets (enables) QSB bit (B3).
status.QSB Sets (enables) QSB bit (B3).
status.MESSAGE_AVAILABLE Sets (enables) MAV bit (B4).
status.MAV Sets (enables) MAV bit (B4).
status.EVENT_SUMMARY_BIT Sets (enables) ESB bit (B5).
status.ESB Sets (enables) ESB bit (B5).
status.OPERATION_SUMMARY_BIT Sets (enables) OSB bit (B7).
status.OSB Sets (enables) OSB bit (B7).
servenabreg can also be set to the decimal weight of the bit to be set. Examples:
To set bit B0 (MSB), set servenabreg to 1 (2
0
).
To set bit B2 (EAV), set servenabreg to 4 (2
2
).
To set bit B7 (OSB), set servenabreg to 128 (2
7
).
To set more than one bit of the register, set servenabreg to the sum of their decimal weights.
For example, to set bits B0 and B7, set servenabreg to 129 (1 + 128).
Remarks • These attributes are 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
returned value indicates which register bits are set. The least significant bit of the binary number
is bit 0, and the most significant bit is bit 7.
• For example, assume value 129 is returned for the service request enable register. The binary
equivalent is 10000001. This value indicates that bit B0 (MSB) and bit B7 (OSB) are set.
• Assigning a value to this attribute enables one or more status events for service request. When
an enabled status event occurs, bit B6 of the status byte sets to generate an SRQ (service
request).
• The service request enable register uses most of the same summary events as the status byte.
Bit B6 (MSS) is not used by the enable register. For details, see
status.condition register.
Details See Status byte and service request (SRQ) in Appendix C.
Example Sets the MSB bit of the service request enable register:
status.request_enable = status.MSB

Keithley 2600a series Specifications

General

Brand	Keithley
Model	2600a series
Category	Measuring Instruments
Language	English