E6581741
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 | 1 | |
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| 3 | Get | Number of Instances | UINT | Number of object instances currently | 1 | |
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| created at this class level of the device. |
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6 | Get | Max ID of class | UINT | The attribute ID number of the last | 7 | ||
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| class attribute of the class definition |
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| implemented in the device. |
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| 7 | Get | Max ID of instance | UINT | The attribute ID number of the last | 46 | |
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| instance attribute of the class definition |
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| implemented in the device. |
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Class Services
Service Code | Service Name |
0x0E | Get_Attribute_Single |
Description of Service
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 | List of Attributes supported | 1, 2, 3, 4, 6, 7, |
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| USINT |
| 8, 9, 10, 11, 15, |
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| 18,19, 20, 21, |
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| 26, 28, 29, 46 |
| 3 | Get | AtReference | BOOL | 1 = Drive actual at reference | - |
| 4 | Get/Set | NetRef | BOOL | Requests torque and speed | - |
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| reference to be local or from the |
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| network. |
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| 0 = Set Reference not DN |
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| Control |
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| 1 = Set Reference at DN |
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| Control |
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| 6 | Get | Drive mode | USINT | Drive Mode | - |
1 | 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 | - |
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| 0=Local speed reference |
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| 1=Network speed reference |
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| 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 |
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