9-8 Types of Mains Connection Rexroth IndraDrive
DOK-INDRV*-SYSTEM*****-PR02-EN-P
9.3 Central Supply
With "central supply" only one drive controller or supply modules in central
form supplies power to several drive controllers via a common DC bus.
The characteristic aspect of "central supply" is central power supply by
one drive controller that is connected to mains voltage via a single mains
contactor, comparable to a modular supply unit.
In the case of "central supply", mains supply take place at the drive
controller with the highest type current.
Note: Apart from the illustrated connection of the drive controller to
the mains and to the DC bus, the following connections have
to be wired:
• Bb contact at control section (see Project Planning Manual
for control section)
• control voltage supply
• module bus
• equipment grounding conductor (connect to equipment
grounding system)
With the type of mains connection "central supply" the compact
IndraDrive C line is similar to the modular IndraDrive M line. We speak of
"central supply" when an HCS drive controller supplies other drive
controllers HCS, HMS or HMD which are not connected to the mains.
HCS
Trafo
Filter
Choke
Fuse
HMS
HMD
Zentrale Einspeisung HCS.EPS
optionally required components are marked with gray background color
Fig. 9-8: Central supply HCS
Note: When using the component HCS03.1E with HNK01.1 connect
the mains contactor electrically before the HNK.
Rules for Central Supply
Central Supply HCS
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