FieldServer FS-8700-123 instruction manual Map Descriptor Example 11 - Selecting a Sub-Device/Port

FS-8700-123 MetOne Particle Counter Serial Driver Manual Page 19 of 26

4.15.Map Descriptor Example 11 – Selecting a Sub-Device/Port

This procedure is automatic. Support for this message is provided for testing purposes only.

The driver uses the Address parameter to learn the number of the Sub-Device or Port to be selected.

When the device responds the driver stores the Sub-Device/ Port number the Data Array element specified in the configuration.

Map_Descriptors
Map_Descriptor_Name, Data_Array_Name,		Data_Array_Offset,	Function,	Node_Name Met1_SubDev_or_Port,		Address,	Met1_Function,	Length,
Select Device,	DA_MODE_CTRL,	0,	rdbc,	MET1,	Port,	0,	SubDevice/Port	1,
							Select,

Driver will send a port select message to the port specified with the address parameter.

When using this type of Map Descriptor, the driver does not send a device select message first.

Set Met1_Function = ‘SubDevice/Port Select’

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