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E6581741
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4.7. AC/DC Drive Object (0x2A)
Class code 0x2A.
This object models the functions specific to an AC or DC Drive. e.g. speed ramp, torque control etc.
Class Attributes
Instance Attribute ID Access Name Data type Details Value
1 Get Revision UINT Revision of this object 1
2 Get Max Instances UINT Maximum instance number of an object
currently created in this class level of the
device.
1
3 Get Number of Instances UINT Number of object instances currently
created at this class level of the device.
1
6 Get Max ID of class
attributes
UINT The attribute ID number of the last
class attribute of the class definition
implemented in the device.
7
0
7 Get Max ID of instance
attribute
UINT The attribute ID number of the last
instance attribute of the class definition
implemented in the device.
46
Class Services
Service Code Service Name Description of Service
0x0E Get_Attribute_Single Read one attribute
Instance 1 Attribute
Instance Attribute ID Access Name Data type Details Value or Unit
1 Get NumAttr USINT Number of Attributes supported 19
2 Get Attrbutes ARRAY of
USINT
List of Attributes supported 1, 2, 3, 4, 6, 7,
8, 9, 10, 11, 15,
18,19, 20, 21,
26, 28, 29, 46
3 Get AtReference BOOL 1 = Drive actual at reference -
4 Get/Set NetRef BOOL Requests torque and speed
reference to be local or from the
network.
0 = Set Reference not DN
Control
1 = Set Reference at DN
Control
-
6 Get Drive mode USINT Drive Mode -
7 Get SpeedActual INT Actual Speed rpm
8 Get/Set SpeedRef * INT Reference Speed rpm
9 Get CurrentActual UINT Drive Current 0.1 A
10 Get/Set CurrentLimit UINT Drive Current Limit 0.1 A
11 Get Torque Actual UINT Drive Actual Torque Nm
15 Get PowerActual UINT Drive Power W
18 Get/Set AccelTime UINT Drive Acceleration ms
19 Get/Set DecelTime UINT Drive Deceleration ms
20 Get/Set LowSpdLimit UINT Drive minimum speed rpm
21 Get/Set HighSpdLimit UINT Drive maximum speed rpm
26 Get/Set Power scaling UINT Power scaling factor 0
28 Get/Set Time scaling UINT Time scaling factor 0
29 Get RefFromNet BOOL Status of speed reference
0=Local speed reference
1=Network speed reference
-
1
46 Get HoursOn UDINT Number of hours h
* The output frequency of the drive follows fh though the frequency of fh or more can be written.
Instance Services
Service Code Service Name Description of Service
0x0E Get_Attribute_Single Read one attribute
0x10 Set_Attribute_Single Write one attribute