SINAMICS G120 - Page 52

SINAMICS G120
Standard inverters 0.37 kW to 250 kW (0.5 hp to 400 hp)
PM250 Power Modules –
7.5 kW to 75 kW (10 hp to 100 hp)
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Siemens D 11.1 · 2009
4
■ Integration
PM250 Power Modules communicate with the Control Unit via
the PM-IF interface.
PM250 Power Modules feature the following interfaces as stan-
dard:
• PM-IF interface to connect the PM250 Power Module to the
Control Unit. The PM250 Power Module also supplies power to
the Control Unit using an integrated power supply
• Motor connected using screw terminals or screw studs
• Control for the Brake Relay or the Safe Brake Relay for control-
ling a motor brake
• 2 PE/protective conductor connections
PM250 Power Module connection diagram with or without integrated class A line filter
PM-IF Interface
Line filter
class A
Motor brake
G_D011_EN_00115a
ext. 24 V DC or via
Power Module
required
380 V to 480 V 3 AC
A B PE U2 V2 W2
W1/
L3
V1/
L2
U1/
L1
PE
PE
L3
L2
L1
=
3
~
Control Unit
M
=
3
~
3
~
Power Module
PM250
Brake
Relay
0 V
24 V
© Siemens AG 2009