FS-8700-49_Data_Aire_DAP Page 29 of 48
Appendix B.5. Advanced Map Descriptor 1:Collecting Data From Multiple Fileds
// Client Side Nap Descriptors |
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Map_Descriptor_Name, | Data_Array_Name, | Data_Array_Offset, | Function, | Node_name, | Address, | Length, | DA_Func, | DA_Field, | Scan_Interval |
A1, | DA_AI3, | 0, | RDBC | Node_A, | 0, | 1, | temp, | 5 | |
A2, | DA_AI3, | 1, | passive, | Node_A, | 0, | 1, | hum, | 5 | |
A3, | DA_AI3, | 2, | passive, | Node_A, | 0, | 1, | d_temp, | 5 | |
A4, | DA_AI3, | 3, | passive, | Node_A, | 0, | 1, | hiTemp, | 5 | |
A5, | DA_AI3, | 4, | passive, | Node_A, | 0, | 1, | loTemp, | 5 | |
A6, | DA_AI2, | 0, | passive, | Node_A, | 0, | 1, | cs_on, | 5 | |
A7, | DA_AI2, | 1, | passive, | Node_A, | 0, | 1, | hs_on, | 5 | |
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It would be sensible for DA_AI3 to be an array of FLOATs because the temps and humidity’s return real numbers with one digit after the decimal point.
DA_AI2 could be any type of array other than BIT because the values returned for these parameters are whole numbers less than 255.
All these Map Descriptors address Node_A therefore only one Map Descriptor needs to read (rdbc) the node. The remaining Map Descriptors can be passive (thus optimizing communications.)
All these Map | Server is a | The scan time | |
Descriptors | DAP reading | ||
is only | |||
read their data | status | ||
important for | |||
from the same | information. | ||
the active Map | |||
Server |
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| Descriptor. | ||
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These parameters must be typed in exactly as specified in this manual. They are case sensitive. The format of the data extracted depends on the parameter.
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