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LibFINS API Reference – finslib_connection_data_read()

finslib_connection_data_read( sys, unitdata, start_unit, num_units );


Parameter Type Description
sys struct fins_sys_tp * A pointer to a structure with the FINS context
unitdata struct fins_unitdata_tp * A pointer to the location where the unit data read from a remote PLC must be stored
start_unit uint8_t The first unit from which the unit information should be read
num_units size_t * The maximum number unit information blocks to return. At function return this contains the actual number of unit information blocks read

Return Value

Type Description
int A return value from the list FINS_RETVAL_... indicating the result of the query


See Also