Combining two 2600B instruments to achieve greater currents in both source voltage and
source current applications requires specific precautions, including configuration settings.
Make sure that you adequately understand the risks involved and the measures needed to
accommodate the combination of two 2600B instruments. To prevent damage to the 2600B,
connected instruments, and the device under test, make sure proper procedures are used.
For further information, visit the Keithley website at tek.com/keithley for application notes on
combining two 2600B channels.
Master and subordinates
In a TSP-Link system, one of the nodes (instruments) is the master node and the other nodes are the
subordinate nodes. The master node in a TSP-Link system can control the other nodes (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.
The expanded system can be stand-alone or computer-based.
Stand-alone system: You can run a script from the front panel of any instrument (node) connected to
the system. When a script is run, all nodes in the system go into remote operation (REM indicators
turn on). The node running the script becomes the master and can control all other nodes, which
become its subordinates. When the script is finished running, all the nodes in the system return to
local operation (REM indicators turn off), and the master/subordinate relationship between nodes
is dissolved.
Computer-based system: You can use a computer and a remote communications interface to any
single node in the system. This node becomes the interface to the entire system. When a command is
sent through this node, all nodes go into remote operation (REM indicators turn on). The node that
receives the command becomes the master and can control all other nodes, which become its
subordinates. In a computer-based system, the master/subordinate relationship between nodes can
only be dissolved by performing an abort operation.
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