Model 2657A High Power System SourceMeter® Instrument Reference Manual
Section 6: Instrument programming
2657A-901-01 Rev. B/December 2012
6-57
The following table shows an example of the functions of a single TSP-Link network. Each group in
this example runs a different test script than the other groups, which allows the system to run multiple
tests simultaneously.
TSP-Link network group functions
Group
number
Group members
Present function
0
Master node 1
Initiates and runs a test script on node 2
Initiates and runs a test script on node 6
In addition, the master node can execute scripts and
process run commands
1
Group leader node 2
Runs the test script initiated by the master node
Initiates remote operations on node 3 through
node 5
Node 3 through node 5
Performs remote operations initiated by node 2
2
Group leader node 6
Runs the test script initiated by the master node
Initiates remote operations on node 7 through
node
n
Node 7 through node
n
Performs remote operations initiated by node 6
Using groups to manage nodes on TSP-Link network
The primary purpose of groups is to allow each group to run a different test script simultaneously.
A group can consist of one or more members. You must assign group numbers to each node using
remote commands. If you do not assign a node to a group, it defaults to group 0, which will always be
grouped with the master node (regardless of the group to which the master node is assigned).
Master node overview
The master node can be assigned to any group. You can also include other nodes in the group that
includes the master. Note that any nodes that are set to 0 are automatically included in the group that
contains the master node, regardless of the group that is assigned to the master node.
The master node is always the node that coordinates activity on the TSP-Link
®
network.
The master node:
•
Is the only node that can use the
execute()
command on a remote node
•
Cannot initiate remote operations on any node in a remote group if any node in that remote group
is performing an overlapped operation (a command that continues to operate after the command
that initiated it has finished running)
•
Can execute the
waitcomplete()
command to wait for the group to which the master node
belongs; to wait for another group; or to wait for all nodes on the TSP-Link network to complete
overlapped operations (overlapped commands allow the execution of subsequent commands
while device operations of the overlapped command are still in progress)
Summary of Contents for 2657A
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