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3.6. Motor Data Object
Class code 0x28. This object serves as a database for motor parameters.
3.6.1. Motor Data Object Class Attributes
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1 Revision UINT Get Revision of this object 1
2 Max instance UINT Get
Maximum instance number of an object
currently created in this class level of
the device
1
6
Max ID of
class attributes
UNIT Get
The attribute ID number of the last class
attribute of the class definition
implemented in the device.
7
7
Max ID of
instance attributes
UNIT Get
The attribute ID number of the last
instance attribute of the class definition
implemented in the device.
15
3.6.2. Motor Data Object Instance Attributes
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1 Number of Attributes USINT Get Number of Attributes supported 7
2 Attributes List
USINT
(ARRAY)
Get List of attributes supported -
3 Motor Type USINT Get
0 - Non-standard motor
1 - PM DC Motor
2 - FC DC Motor
3 - PM Synchronous Motor
4 - FC Synchronous Motor
5 - Switched Reluctance Motor
6 - Wound Rotor Induction Motor
7 - Squirrel Cage Induction Motor
8 - Stepper Motor
9 - Sinusoidal PM BL Motor
10 - Trapezoidal PM BL Motor
7
6 Rated Current UINT Get/Set Rated Current [100mA] -
7 Rated Voltage UINT Get/Set Rated Voltage [V] -
8 Rated Power UDINT Get/Set Power at rated frequency [W] -
9 Rated Frequency UINT Get/Set Rated Electrical Frequency [Hz] -
12 Pole Count UINT Get Number of poles in the motor -
15 Base Speed UINT Get/Set
Nominal speed at rated frequency from
nameplate [min
-1
]
-
3.6.3. Motor Data Object Common Services
Supported
Service
Code
Service Name
Class
Instance
Description of Service
0x0E Get_Attribute_Single N/A Yes Returns the contents of the specified attribute.
0x10 Set_Attribute_Single N/A Yes Modifies the value of the specified attribute.
3.6.4. Motor Data Object Specific Services
The Motor Data Object provides no object specific services.
