Siemens 1-3 Control Technology p1 Series Anweisungen zum Einbau/Ersatz - Seite 28
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Chapter 6
System Components
Removing i-3 Controller From
Panel
1. Disconnect and lock off all
power sources supplying this
panel.
2. Remove P1 Panel trim and dead
front.
3. Disconnect/unplug the ribbon
cable connector from the data
rail.
4. Loosen the terminal of the main
bus and remove the red wire.
5. Remove the green wire from the
panelboard ground terminal.
6. Remove the white wire from the
neutral terminal.
7. Remove the neutral extensions.
8. Loosen and uninstall the screws
(4 total) from the mounting
brackets.
9. The i-3 controller is ready to be
removed.
Ribbon Cables
Description
Ribbon cable is a 26-wire connection
used to connect the I/O Board and a
data rail. Ribbon cable carries two-
way communication data from I/O
Board to CPODs and vice versa,
including power and ground. A pair
of ribbon cables is required for each
panel, one for each side. On each
end of the ribbon cable are the
connectors, one end is the connector
for I/O Board and another end is the
connector for the data rail.
Figure 6.22
Ribbon Cable
27