User Guide

FS-8700-123 MetOne Particle Counter Serial Driver Manual Page 19 of 26
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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 Select,
1,
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’