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4.4Client Side Map Descriptors
4.4.1 FieldServer Related Map Descriptor Parameters
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Map_Descriptor_Name |
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| Name of this Map Descriptor |
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| Up to 32 alphanumeric characters |
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Data_Array_Name |
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| Name of Data Array where data is to be |
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| One of the Data Array names from “Data |
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| stored in the FieldServer |
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| Array” section above |
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Data_Array_Offset |
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| Starting location in Data Array |
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| 0 to maximum specified in “Data Array” |
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| section above |
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Function |
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| Function of Client Map Descriptor |
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| COS_Poller, COS_Read , Wrbx |
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4.4.2 Driver Related Map Descriptor Parameters
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| Title |
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| One of the Node names | |
Node_Name |
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| Name of Node to fetch data from |
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| Descriptor” above | |
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| ‘Bit’ each byte of Indication statuses will be stored in 8 consecutive |
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| locations in the Data Array. Similarly while writing; Control byte |
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| will be composed from 8 consecutive locations of the Dara Array. |
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Data_Type* |
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| ‘Byte’ each byte of Indication statuses will be stored as an |
| Bit, Byte | |||
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| Integer at the specified location. Similarly while writing; Control |
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| byte will be composed from a single location of the Data Array. |
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| Refer to Appendix A.1 |
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Address* |
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| Internally used parameter, if used specify value 0 | 0 |
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| Length of Map Descriptor |
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Length* |
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| Number of indications to store or number of controls to write as |
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| per Data_Type. |
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4.4.3 Timing Parameters
Column Title | Function | Legal Values |
Scan_Interval | Rate at which data is polled | ≥0.001s |
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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
