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6-25GFK-0787B Chapter 6 Configuration
Genius Bus Controller Group Configuration
Note: It is possible that an application may include bus controllers in the PLC racks that
are not part of the GMR system. Do not include non-GMR bus controllers in the GMR
configuration. The only exception to this is a bus controller pair that is used for global data
communications between PLCs. (Other, non-GMR bus controllers are included in the
Logicmaster configuration only).
In each PLC, GMR Bus Controllers must be installed in the same rack and slot locations. The first
default rack and slot locations are:
bus controller “A”: rack 0, slot 2
bus controller “B”: rack 0, slot 3
bus controller “C”: rack 0, slot 4
If those are the actual bus controller rack and slot locations that will be used for this GBC
group, you can use the defaults and skip directly to the next step.
Click the mouse on the GBC Group button, or cursor to it and press the Return key.
This display represents the three bus controllers that would be present in the PLC
system for a triple bus. They are shown as “GBC A, GBC B, and GBC C”. If there are
fewer bus controllers, they can be identified in any combination. For any bus controller
not present, select “none” as the slot.
On the middle window shown above, you can use the Tab key to select bus controller A,
B, or C. Use the space bar key to display the Rack/Slot configuration data for the selected
bus controller.
To configure a bus controller rack/slot location, select GBC_A, GBC_B, or GBC_C, and
press the space bar key. The rack/slot configuration window (shown on the right above)
for that bus controller appears.
By default, bus controller A is specified in rack 0, slot 2, as shown. To edit rack/slot location
choices, use the tab keys to move from field to field. Use the cursor keys to move within a
field. When both the rack and slot locations are correct for the bus controller, select [O]K.
Complete the same steps for other bus controllers in the same group.