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© Siemens plc 1999
© Siemens plc 1999
G85139-H1751-U529-D1
G85139-H1751-U529-D1
55
4/8/99
4/8/99
IMPORTANT
IMPORTANT
WARNING
WARNING
In order to ensure correct and safe operation, it is vital the following instructions are strictly
In order to ensure correct and safe operation, it is vital the following instructions are strictly
adhered to:
adhered to:
••
Operation of
Operation of a motor
a motor with a
with a higher nominal
higher nominal power than
power than the inverter
the inverter or a
or a nominal pow
nominal power
er
less than half that of the inverter is not allow
less than half that of the inverter is not allowed.
ed. The inverter must only be operated
The inverter must only be operated
when the nominal current in P083 exactly matches the motor rating plate nominal
when the nominal current in P083 exactly matches the motor rating plate nominal
current.
current.
••
The
The motor
motor data
data parameters
parameters must
must be
be accurately
accurately entered
entered (P080-P085) and
(P080-P085) and an
an auto-
auto-
calibration performed (P088=1)
calibration performed (P088=1) before the motor
before the motor is started.
is started. Unstable/unpredictable
Unstable/unpredictable
motor operation (eg. reverse rotation) may result if this is not done.
motor operation (eg. reverse rotation) may result if this is not done. If this instability
If this instability
occurs, the mains supply to the converter must be disconnected.
occurs, the mains supply to the converter must be disconnected.
When using the analogue input, the DIP switches must be correctly set and the analogue input
When using the analogue input, the DIP switches must be correctly set and the analogue input
type selected (P023)
type selected (P023) before enabling the
before enabling the analogue input wi
analogue input with P006.
th P006. If this is not
If this is not done, the
done, the
motor may start inadvertently.
motor may start inadvertently.