Siemens MICROMASTER Vector Series - Important Operational Notes; Motor Operation and Parameter Setup

© Siemens plc 1999© Siemens plc 1999
G85139-H1751-U529-D1G85139-H1751-U529-D1
55
4/8/994/8/99
IMPORTANTIMPORTANT
WARNINGWARNING
In order to ensure correct and safe operation, it is vital the following instructions are strictlyIn 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 pownominal pow
erer
less than half that of the inverter is not allowless than half that of the inverter is not allow
ed. ed.
The inverter must only be operatedThe inverter must only be operated
when the nominal current in P083 exactly matches the motor rating plate nominalwhen 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/unpredictableUnstable/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 instabilityIf 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 inputWhen 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 wianalogue input wi
th P006. th P006.
If this is not If this is not
done, thedone, the
motor may start inadvertently.motor may start inadvertently.