Keithley 2657A User Manual

A
ppendix E: Status model Model 2657A High Power System SourceMeter® Instrument Reference Manual
E-28 2657A-901-01 Rev. B/December 2012
Master node service request: The following command enables the service request for the
measurement event:
status.request_enable = 1
The affected status register for the above command is indicated by label E (see following figure).
Figure 158: TSP-Link status model configuration example
Measurement Event
Current Limit Summary
SMU A
B1
Current Limit
(ILMT)
+
Measurement Event
Register
B1
A) Bit B1 enabled B) Bit B1 enabled
Status Byte
B0
Measurement Summary Bit (MSB)
&
System Node
Enable
B0
C) Bit B0 enabled
Node 15
System Summary
Register 2
B1
D) Bit B1 enabled
Extension Bit
System Summary
Register
B0
E) Bit B0 enabled
Status Byte
B0
B6
Measurement Summary Bit (MSB)
Request for Service (RQS)
&
Service Request
Enable
B0
F) Bit B0 enabled
Node 15 status registers
TSP-Link system (status model)
Current
Limit
Event
A current limit event at node 15 will set the RQS bit of the Status Byte of the master node.
Master node registers

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English