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Powerdrive F300 User Guide 79
Issue Number: 2
4.3 Supplying the drive with DC
All drive sizes have the option to be powered from an external DC power supply. Refer to section 3.12 Electrical terminals on page 63 to identify the
location of DC supply connections.
The DC supply connections for size 3 and 4 are located under the DC / Terminal cover. Figure 4-15 below shows DC supply connections and cable
routing.
Figure 4-15 DC supply connections (size 3 shown)
The Internal EMC filter and plastics have been removed from the above Figure 4-15 to demonstrate the routing of the DC cables.
4.4 DC bus paralleling
DC bus paralleling using standard cable / busbars is supported by all frame sizes.
On frame sizes 3, 4, 5 and 6, terminal and enclosure design enables the DC bus of a number of drives to be connected together using pre-made
busbars. The diagram below shows how the busbar links connect the DC bus of several drives together.
The connecting of the DC bus between several drives is typically used to return energy from a drive which is being overhauled by the load to a second
motoring drive.
Figure 4-16 DC bus paralleling (size 3 shown)
There are limitations to the combinations of drives which can be used in this configuration.
For application data, contact the supplier of the drive.