Mains Supply Options - Rexroth Indramat ECODRIVE03 Series Project Planning Manual

ECODRIVE03 Drive Controllers

Mains supply options

Note on central supply
ECODRIVE03 DKC**.040, DKC**.100, DKC**.200
Single source supply
"Single source supply" is the standard mains supply if only one DKC
driver controller (or a DKC drive controller with additional components) is
to be supplied with mains voltage.
Characteristic for the single source supply is that the mains voltage is
applied to the DKC drive controller via individual mains connections.
Group supply
"Group supply" is the standard supply if several DKC drive controllers are
to supplied from one supply voltage.
Characteristic for the "group supply" is that the mains voltage is applied to
groups of DKC drive controllers via a common mains contactor.
The group supply is divided into:
• "group supply with DC bus connection" and
• "group supply without DC bus connection"
Both supply options have their advantages for various demands.
See page 4-21 "Selection criteria for supply options".
Central supply
A "central supply" is one where several DKC drive controllers are provided
with power via a common DC bus from only one DKC drive controller.
Characteristic for the "central supply" is the central power supply through
the DKC drive controller that is connected over a single mains contactor
to the mains voltage.
The "central supply" option is connected at the single phase/three phase
input with the DKC that has the highest current type.
Note: The connection of the devices DKC**.3-100 and DKC**.3-200
to the mains power is to protect the integrated DC bus
dynamic brake (ZKS).
See also "Fig. 4-146: Block diagram interlock ZKS/Mains"
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