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FS-8704-14 EtherNet/IP ManualPage 14 of 30
5.3.2 Server Specific Map Descriptor Parameters – Unconnected Messages
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EIP_Service |
| The action to be performed. |
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| Get_Attrib, Set_Attrib |
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| One | of | the | classes |
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EIP_Class |
| Class to be served. |
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| supported by the driver. . |
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| Refer to Appendix A.4 |
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| See | particular attributes |
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EIP_Attribute |
| Attribute associated with the class served. |
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| of each class. | Refer | to |
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| Number of data elements to be mapped. If the number of data |
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| elements exceeds the Map | Descriptor | length, the list | of data | For |
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| elements will be truncated and an error message will be printed | Descriptor |
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| once per Map Descriptor. | Refer to | Appendix C | for | further | 200 Floats, 400 Integers or |
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Address |
| Instance of the class to be served. |
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| supported | instances | for |
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| each class. |
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5.3.3 Server Specific Map Descriptor Parameters – Data Table Read/Write.
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EIP_Service |
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| The action to be performed. |
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| Data_Table_Read, |
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| Data_Table_Write |
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| Tag name expressed in PLC program. The data type of this |
| Maximum | length | 48 |
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EIP_Tag_Name |
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| parameter is used to set the data format of the Data Array |
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| characters. |
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| if the EIP_Data_Type parameter is not specified. |
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| If set, the data will be stored in the specified format which |
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| may be different to the format of the tag being polled. If |
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EIP_Data_Type* |
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| the parameter is not set, the data type of the Data Array |
| Float, Uint16, Uint32, Bit, |
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| will be used. This is only applicable to Data Table Read |
| Byte, Boolean, - |
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| when FieldServer is the Server. Refer to Appendix A.4 for |
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| further information. |
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| Number of data elements to be mapped. If the number of |
| For | any | given | Map |
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| data elements exceeds the Map Descriptor length, the list |
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| Descriptor | there | can be |
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Length |
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| 200 | Floats, | 400 | Integers |
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| will be printed once per Map Descriptor. | Refer to |
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| or 800 Bytes |
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| Appendix C for further information. |
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| This parameter is required only for read structures i.e. |
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| where EIP_Service is Data_Table_Read. | The driver |
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| supports read structures having members of same type, |
| Any 16bit Integer number |
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EIP_Structure_Handle* |
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| i.e. all members are of type Byte, Uint16, Uint32 or Float |
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| e.g. 59592, 0 |
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| etc. When this parameter is defined, the number of |
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| structure members must be specified as the length of the |
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| Map Descriptor. |
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FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: support@fieldserver.com