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4.5.Client Side Map Descriptors
4.5.1.FieldServer Related Map Descriptor Parameters
| Column Title |
| Function |
| Legal Values |
| Map_Descriptor_Name |
| Name of this Map |
| Up to 32 alphanumeric |
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| Descriptor |
| characters | |
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| Name of Data Array |
| One of the Data Array |
| Data_Array_Name |
| where data is to be |
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| names from “Data Array” | ||
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| stored in the |
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| section above | |
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| FieldServer |
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| Data_Array_Offset |
| Starting location in Data |
| 0 to maximum specified in |
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| Array |
| “Data Array” section above | |
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| Function |
| Function of Client Map |
| RDBC, WRBC |
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| Descriptor |
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4.5.2.Driver Related Map Descriptor Parameters
| Column Title |
| Function |
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| Legal Values | ||
| Node_Name |
| Name of Node to | fetch |
| One of the node names | |||
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| data from |
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| specified | in “Client | Node | ||
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| Descriptor” above |
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| Profibus_Data_Type | Arrangement of buffer data |
| BYTE, | WORD, | BOOL, | |||
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| FLOAT |
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| Address |
| Starting address of | buffer | 0 | - 243 |
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| in bytes |
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| 1 | - 244 ( BYTE ) |
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| Length | Length of Map Descriptor | 1 | - 122 ( WORD ) |
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| 1 | - 1952 ( BOOL ) |
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| 1 | - 61 ( FLOAT ) |
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Important Note:
A maximum combined total length of 1536 bytes are permitted for all Map Descriptors accessing Slave devices.
4.5.3.Timing Parameters
| Column Title |
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| Function |
| Legal |
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| Values | ||
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| Scan_Interval |
| Rate at which data is transferred from FieldServer data | ≥0.001s | ||
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| arrays to Profibus Master buffers. |
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