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12.3
12. Functions sequences
12
Service
manual
Power supply (380 V 60 Hz)
Machine power supply can be 380 V 3 AC. An auxiliary tranformer is supplied with two of
the line voltage phases and steps down the mains voltage to 24 V control voltage. The
auxiliay tranformer is protected by two fuses, one on the primary side (F1) and one on
the secondary side (F2).
The auxiliary transformer supplies the circuit board for automatic functions and the other
components in the control circuit with control voltage.
2
2
C290R
Terminal connections (X1)
R2-R1
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