AKD2G-S Installation Manual, Safety 1 | 8 Electrical Installation
DC Supply (all AKD2G-Sxx-)
Activate DC supply (VBUS.DCOPERATION = 1).
Set VBUS.ACNOMINAL to desired DC voltage divide by √2 for VDC other than nominal
rated.
Any DC supply filtering for AKD2G-Sxx-6V to be provided by the user.
DC Supply to mains lines R/T (L1/L3)
DC power source is connected to the drive AC line inputs. This wiring provides soft start of
the energy storage capacitors inside the drive and the AC rectifier diodes prevents motor
regeneration energy from returning to the dc power source. That is, by powering the drive
from the AC line input connections, the drive’s energy absorption and energy dissipation
mechanisms can work normally.
DC Supply to DC Bus lines X3/7-8
When wiring DC power supply to the drive DC Bus terminals X3 pins 7 and 8, the user is
responsible for current and power management using additional external devices.
User resposibility:
The power supply system design must ensure inrush current protection by limiting input
current during power up.
Provide a means to safely absorb energy from the motor when slowing down/re-
generating. If the DC power source is a battery energy absorption should just work.
DC supply polarity must be properly wired. Improper polarity of DC power will damage
the drive and void warranty.
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Kollmorgen | kdn.kollmorgen.com | July 2020