E6581741
4.10. Port Object (0xF4)
Class code 0xF4.
The Port Object enumerates the CIP ports present on the device.
One instance exists for each CIP port.
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 | 1 |
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| object currently created in this class |
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| level of the device. |
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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 |
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| device. |
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| 6 | Get | Max ID of class | UINT | The attribute ID number of the last | 9 |
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| class attribute of the class definition |
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| implemented in the device. |
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0 | 7 | Get | Max ID of instance | UINT | The attribute ID number of the last | 7 |
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| instance attribute of the class |
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| definition implemented in the device. |
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| 8 | Get | Entry Port | UINT | Returns the instance of the Port | 1 |
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| Object that describes the port |
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| through which this request entered |
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| the device. |
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| 9 | Get | All Ports | STRUCT | Array of structures containing | 0000 |
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| of | instance attributes 1 and 2 from | 0000 |
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| Port Type | each instance. | 0000 |
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| Port |
| 0200 |
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| Number |
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Note: Attribute 9 |
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00 00 00 00 | / instance number = 0 (class) |
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00 00 02 00 | / port number = 2 |
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Class Services
Service Code | Service Name |
0x01 | Get_Attribute_All |
0x0E | Get_Attribute_Single |
Description of Service
Read all attributes
Read one attribute
Instance 1 Attribute
Instance | Attribute ID | Access | Name | Data type | Details | Value |
| 1 | Get | Port Type | UINT | Enumerate the type of port. | 0 |
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| (0 = TCP/IP) |
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| 2 | Get | Port Number | UINT | CIP port associated with this port | 2 |
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| (identify each communication port). |
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| Value ‘1’ is reserved. |
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| 3 | Get | Link Object | STRUCT | Identify Object attached to this port. | 02 00 |
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| of | For EtherNet/IP, this path | 20 F5 |
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| UINT | corresponds to TCP/IP Interface | 24 01 |
1 |
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| Padded | object. |
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| EPATH |
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| 4 | Get | Port Name | SHORT_ | String which names the port. | 0B 45 |
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| STRING | 11, EtherNet/IP | 74 68 |
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| 65 72 |
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| 4E 65 |
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| 74 2F |
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| 49 50 |
| 7 | Get | Node address | Padded | Node number of this device on port. | - |
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| EPATH | The range within this data type is |
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| restricted to a Port Segment. |
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Instance Services
Service Code | Service Name |
0x01 | Get_Attribute_All |
0x0E | Get_Attribute_Single |
Description of Service
Read all attributes
Read one attribute
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