Figure 4-2 Size 1 Power Connections; Figure 4-3 Size 2 Power Connections - Emerson unidrive sp User Manual

Safety Product Mechanical
Information Information Installation

Figure 4-2 Size 1 power connections

DC Connections
48V -DC +DC
AC Connections
PE L1 L2
Optional EMC
filter
Optional
line reactor
Fuses
L1 L2
Mains
Supply
Supply
Ground
68
Electrical Getting Basic
installation Started parameters
BR
Internal
EMC filter
1
L3 U V W
Motor
L3
Optional ground
connection
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the motor operation

Figure 4-3 Size 2 power connections

DC Connections
(High current DC and braking)
Thermal
overload
protection
device
DC1 DC2
-
DC1 =
DC2 = +
PE L1
Fuses
L1
Supply
Ground
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 4-6 for further information on ground connections.
Onboard Advanced Technical
PLC parameters Data
DC Connections
(Low current DC and 48V)
BR 48V -DC +DC
2
AC Connections
L2 L3 U V
Optional EMC
filter
Optional
line reactor
Motor
L2 L3
Optional ground
Mains
connection
Supply
Unidrive SP User Guide
UL Listing
Diagnostics
Information
Internal
EMC filter
W
Issue Number: 13