Vacon optea - Page 162

9
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9.2.1.7 Motor Data Object, Class 0x28
Motor Data Object provides interface to the motor data attributes, for example “motor type”.
9.2.1.7.1. INSTANCE ATTRIBUTES
Instance Attribute “MotorType”
Values 3 (Permanent Magnet Synchronous Motor) and 7 (Squirrel Cage Induction Motor) are
supported.
Instance Attribute “RatedCurrent”
This attribute allows reading and writing of the motor rated current. The unit of the attribute is 100
milliamperes.
Instance Attribute “RatedVoltage”
This attribute allows reading and writing of the motor rated voltage. The unit of the attribute is 1 volt.
Instance Attribute “RatedFreq”
This attribute allows reading and writing of the motor rated electrical frequency. The unit of the
attribute is 1 hertz.
Instance Attribute “PoleCount”
This attribute allows reading and writing of the number of poles in the motor. The unit of the
attribute is 1.
Table 130. Motor data object
Class name Motor data object
Class identifier
40
d
/ 28
h
Class
Attributes
Id Access rule Name Datatype Description
-- - - -
Class Ser-
vices
Id Name Description
-- -
Instance
Attributes
Id Access rule Name Datatype Description
3 Get/Set MotorType USINT Motor type
6 Get/Set RatedCurrent UINT
Rated Stator Current
Units: [100mA]
7 Get/Set RatedVoltage UINT
Rated Base Voltage
Units: [V]
9 Get/Set RatedFreq UINT
Rated Electrical Fre-
quency Units: [Hz]
12
d
0C
h
Get PoleCount UINT
Number of poles in the
motor.
15
d
0F
h
Get/Set Base Speed UINT
Nominal speed at rated
frequency from name-
plate Units: [RPM]
Instance
Services
Id Name Description
14
d
0E
h
Get_Attribute_Single Used to read single attribute value.
16
d
10
h
Set_Attribute_Single Used to write a single attribute value.