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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
9
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
Motor Data Object provides no object specific services.