Safety
Information
Introduction
Product
information
System
design
Mechanical
installation
Electrical
installation
Getting
started
Optimisation
Parameters
Technical
data
Component
sizing
Diagnostics
Unidrive SP Regen Installation Guide
67
Issue Number: 2 www.controltechniques.com
Figure 6-2 Unidrive SP size 2 power connections
If the heatsink mounted resistor is used (size 1 and 2 only), an overload
protection device is not required. The resistor is designed to fail safely
under fault conditions.
See Figure 6-8 for further information on ground connections.
2
L2
L1
L3
U
V
W
PE
AC supply connections
BR
DC1 DC2
48V
-DC +DC
Internal
EMC filter
DC1 =
DC2 = +
-
To be
removed
L1, L2, L3
(Refer to Chapter 4
)
System design
2
L2
L1
L3
U
V
W
PE
BR
DC1 DC2
DC connections
(High current DC to motoring drive[s])
48V
-DC +DC
Internal
EMC filter
DC1 =
DC2 = +
-
To be
removed
Motor
Optional ground
connection
Regen
drive
Motorin
g
drive
Vac supply
Motor connections
Summary of Contents for SP1201
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