E6581741
4.4.Connection Manager Object (0x06)
Class code 0x06.
Use this object for connection and connectionless communications, including establishing connections across multiple subnets.
Class Attributes
Instance Attribute ID Access
Name
Data type
Details
Value
0
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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4 | Get | Optional attribute list | STRUCT | List of optional instance attributes | - |
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| of | utilized in an object class |
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| implementation. |
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| Number of attributes | UNIT | Number of attribute in the optional | 8 |
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| attribute list. |
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| Optional attributes | ARRAY of | List of optional attribute numbers. | 1, 2, 3, |
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| UNIT |
| 4, 5, 6, |
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| 7, 8 |
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 | 8 |
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| attribute |
| instance attribute of the class |
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| definition implemented in the device. |
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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 |
| 1 | Get | Open Requests | UINT | Number of Forward Open service requests |
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| received. |
| 2 | Get | Open Format Rejects | UINT | Number of Forward Open service requests |
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| which were rejected due to bad format. |
| 3 | Get | Open Resources Rejects | UINT | Number of Forward Open service requests |
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| which were rejected due to lack of resources. |
| 4 | Get | Open Other Rejects | UINT | Number of Forward Open service requests |
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| which were rejected for reasons other than |
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| bad format or lack of resources. |
5 | Get | Close Requests | UINT | Number of Forward Close service requests | |
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| received. |
| 6 | Get | Close Format Requests | UINT | Number of Forward Close service requests |
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| which were rejected due to bad format. |
| 7 | Get | Close Other Requests | UINT | Number of Forward Close service requests |
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| which were rejected for reasons other than |
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| bad format. |
| 8 | Get | Connection Timeouts | UINT | Total number of connection timeouts that have |
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| occurred in connections controlled by this |
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| Connection Manager |
Instance Services
Service Code
Service Name
Description of Service
0x0E | Get_Attribute_Single | Read one attribute |
0x4E | Forward_Close | Closes a connection |
0x54 | Forward_Open | Opens a connection, maximum data size is 511 bytes |
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