Tsp-Link System Expansion Interface; Overview - Keithley 2657A Reference Manual

Model 2657A High Power System SourceMeter® Instrument Reference Manual

TSP-Link system expansion interface

Overview

The TSP-Link
Test Script Processor (TSP
32 TSP-enabled instruments.
TSP-Link technology removes the need for multiple SourceMeter instruments to be attached to and
individually addressed by the same bandwidth-limited GPIB bus. With TSP-Link technology, only one
SourceMeter instrument is connected to the GPIB bus; the remaining SourceMeter instruments are
connected to the first in a daisy-chain configuration using inexpensive CAT5e crossover cables. By
connecting the additional SourceMeter instruments to the first using TSP-Link technology, the SMUs
of these instruments appear as additional SMU channels on the first SourceMeter instrument and can
be accessed quickly by a script running on the first SourceMeter instrument.
The Model 2657A High Power System SourceMeter instrument and its associated cabling are
designed to be safe when operated correctly in a 3000 V system. They are only warranted to the
maximum voltage and current ratings of the instrument. Connecting two Model 2657A instruments
in parallel or in series may result in voltages or power levels that exceed the safety mechanisms.
This increases the risk of instrument damage and the possibility of personal injury or death due to
electric shock. The user assumes all of the associated risks of combining the outputs of two or more
Model 2657A instruments.
Master and subordinates
In a TSP-Link
the subordinate nodes. The master node in a TSP-Link
(subordinates) in the system.
When any node transitions from local operation to remote operation, it becomes the master of the
system. All other nodes also transition to remote operation, and become its subordinates. When any
node transitions from remote operation to local, all other nodes also transition to local operation, and
the master/subordinate relationship between nodes is dissolved.
2657A-901-01 Rev. B/December 2012
®
expansion interface allows the Model 2657A instrument to communicate with other
®
) enabled instruments. The test system can be expanded to include up to
®
system, one of the nodes (instruments) is the master node and the other nodes are
WARNING
®
system can control the other nodes
Section 6: Instrument programming
6-49