Transport, Installation and Connection
78 BA8230
Potential
A Power potential
B Electronics potential, earthed DC ±15 V, +7 V, +5 V
C Auxiliary potential DC ±27 V, +24 V
D Potential island for
RS422 serial interface DC + 5 V
E External potential / customer potential
Legend
M Mains voltage detection
Link voltage detection
Z Link charging
G IGBT control
SNT Switch mode power supply
K1 Link contactor
L Fan and fan control
I Digital inputs
P Motor thermistor (PTC) connection
S DC +24 V and short circuit monitor
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