Driver Manual
6.1.6Advanced Map Descriptor: Example 3 - Using the 'special' parameter.
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, node_name, Address, Length, DA_Func, DA_Field, DA_Method
,DA_Bytcnt, DA_Offset, DA_Elecnt | Scan_Interval |
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A1, | DA_AI3, | 0, | rdbc, | Node_A, | 0, | 1 , | special, | 1 | 4, | 10, | 1, | 5 | |
It would be | You can use | Performs a DAP |
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sensible for | Once you use |
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DA_AI3 to be an | specials as rdbc | status query |
| returned by the slave, | |
the parameter |
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array of FLOATs | and passive map |
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| 'special' you |
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descriptors. |
| See table |
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because extraction |
| extract 4 bytes | |||
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method(=1) |
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returns a floating |
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point number. |
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| byte 10 | |
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| on how these | and |
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| extraction | apply method 1 |
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| methods work. | |
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| to convert the bytes |
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| before writing them to |
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| the FieldServer data |
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