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4.5.Client Side Map Descriptors
4.5.1.FieldServer Related Map Descriptor Parameters
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| Map_Descriptor_Name |
| Name | of | this | Map |
| Up | to 32 | alphanumeric |
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| Descriptor |
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| Name | of | Data | Array |
| One of the Data Array names | ||
| Data_Array_Name |
| where data is to be stored |
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| in the FieldServer |
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| from “Data Array” section above | ||||
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| Data_Array_Offset |
| Starting | location in | Data |
| 0 to | maximum | specified in | |
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| Array |
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| “Data Array” section above | |||
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| Function |
| Function of | Client | Map |
| RDBC, WRBC, WRBX | |||
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| Descriptor |
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4.5.2.Driver Related Map Descriptor Parameters
| Column Title |
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| Function | Legal Values |
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| One of the node names |
| Node_Name | Name of Node to fetch data from | specified in “Client Node | |||
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| Descriptor” above |
| Data_Type |
| Data type in FieldServer | AI, AO, AV, BI, BV, MI, | ||
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| MO, MV6 | ||||
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| Object_Instance | Address of object | 0, 1, 2, 3, … | |||
| Property* |
| The BACnet property to be read | Present_Value | ||
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| Data_Array_Low_Scale* |
| Scaling zero in Data Array | |||
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| Data_Array_High_Scale* |
| Scaling max in Data Array | |||
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| Node_Low_Scale* |
| Scaling zero in Connected Node | |||
| Node_High_Scale* |
| Scaling max in Connected Node | |||
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| Number of objects that will be polled |
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| Length* |
| using | the | READ_PROPERTY_ | |
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| MULTIPLE service. See Appendix B.3 |
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| Allows the driver to specify the write |
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| Write_Priority* |
| priority used | to write an output. See | 1..16, 16 | |
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| also Appendix B.2 |
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| This |
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| Custom_Type |
| numerical value for the Data_Type. | 1..1023 | ||
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| e.g. Analog Value = 2 |
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| This |
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| Custom_Prop |
| numerical value for the property. e.g. | 1..4194303 | ||
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| Present Value = 85 |
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4.5.3.Timing Parameters
Column Title | Function | Legal Values |
Scan_Interval* | Seconds per scan |
6Refer to Appendix A.1 for further information.
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