Fagor DDS Series Hardware Manual page 273

8.4 Connection between modules
Power bus connection
The power bus is connected through the terminals hidden under the cover at
the bottom of each module. To do this, use 2 of the 3 plates and the washers
and nuts supplied with each module.
MANDATORY. All the modules, including the B us P rotection M odule, BPM,
must be tightly joined to each other guaranteeing a good electrical contact.
RPS
POWER SUPPLY
Note. *The B us P rotection M odule BPM may be mounted anywhere in
the DC BUS and whenever there is a synchronous spindle and/or an
RPS power supply.
F. H8/7
Power bus connection.
The tightening torque must be between 2.32.8 N·m.
The power supply module must provide the power needed by all the devices
connected to it. If this power exceeds the maximum value that the power
supply can provide, two power supplies will be required.
Assign to each of them the supply of a separate group of drives.
(A) System
F. H8/8
If two power supplies are needed, they must be installed in separate groups.
WARNING. The power buses of different power supply modules must never
be connected in parallel. Always make separate groups, connecting each
power supply to a different group of drives.
HIGHEST POWER MODULAR
MODULAR DRIVE DRIVE MODULE
(when applicable)*
(B) System
   Installation
8.
BPM
DDS
HARDWARE
Ref.1912
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