Libfins is a library to communicate over the FINS/TCP protocol over ethernet with Omron PLCs. The library is written in C and can be compiled with any modern C compiler. The API to the library is described in this document.
- PLC CPU modes
- Default communication settings
- Bit force modes
- FINS user message masks
- Data types
- Parameter areas
- Function return values
struct fins_cpustatus_tp;struct fins_cycletime_tp;struct fins_multidata_tp;struct fins_unitdata_tp;
finslib_disconnect( sys );finslib_tcp_connect( sys, address, port, local_net, local_node, local_unit, remote_net, remote_node, remote_unit, error_val, error_max );
finslib_memory_area_read_bcd16( sys, start, data, num_bcd16 );finslib_memory_area_read_bcd32( sys, start, data, num_bcd32 );finslib_memory_area_read_bit( sys, start, data, num_bit );finslib_memory_area_read_int16( sys, start, data, num_int16 );finslib_memory_area_read_int32( sys, start, data, num_int32 );finslib_memory_area_read_sbcd16( sys, start, data, num_sbcd16, type );finslib_memory_area_read_sbcd32( sys, start, data, num_sbcd32, type );finslib_memory_area_read_uint16( sys, start, data, num_uint16 );finslib_memory_area_read_uint32( sys, start, data, num_uint32 );finslib_memory_area_read_word( sys, start, data, num_word );finslib_multiple_memory_area_read( sys, item, num_item );
finslib_forced_set_reset_cancel( sys );finslib_memory_area_fill( sys, start, fill_data, num_word );finslib_memory_area_transfer( sys, source, dest, num_words );finslib_memory_area_write_bcd16( sys, start, data, num_bcd16 );finslib_memory_area_write_bcd32( sys, start, data, num_bcd32 );finslib_memory_area_write_bit( sys, start, data, num_bit );finslib_memory_area_write_int16( sys, start, data, num_int16 );finslib_memory_area_write_int32( sys, start, data, num_int32 );finslib_memory_area_write_sbcd16( sys, start, data, num_sbcd16, type );finslib_memory_area_write.sbcd32( sys, start, data, num_sbcd32, type );finslib_memory_area_write_uint16( sys, start, data, num_uint16 );finslib_memory_area_write_uint32( sys, start, data, num_uint32 );finslib_memory_area_write_word( sys, start, data, num_word );
finslib_clock_read( sys, datetime );finslib_clock_write( sys, datetime, do_sec, do_dow );finslib_connection_data_read( sta, unitdata, start_unit, num_units );finslib_cpu_unit_data_read( sys, cpudata );finslib_cpu_unit_status_read( sys, status );finslib_cycle_time_init( sys );finslib_cycle_time_read( sys, ctime );finslib_set_cpu_run( sys, do_monitor );finslib_set_cpu_stop( sys );
finslib_parameter_area_clear( sys, area_code, num_words );finslib_parameter_area_read( sys, area_code, data_ start_word, num_words );finslib_parameter_area_write( sys, area_code, data, start_word, num_words );
finslib_program_area_clear( sys, do_interrupt_tasks );finslib_program_area_read( sys, data, start_word, num_bytes );finslib_program_area_write( sys, data, start_word, num_bytes );
finslib_access_log_read( sys, accessdata, start_record, num_records, stored_records );finslib_access_right_acquire( sys, nodedata );finslib_access_right_forced_acquire( sys );finslib_access_right_release( sys );finslib_write_access_log_clear( sys );
finslib_error_clear( sys, error_code );finslib_error_clear_all( sys );finslib_error_clear_current( sys );finslib_error_clear_fal( sys, fal_number );finslib_error_clear_fals( sys, fals_number );finslib_error_log_clear( sys );finslib_error_log_read( sys, errordata, start_record, num_records, stored_records );finslib_message_clear( sys, msg_mask );finslib_message_fal_fals_read( sys, faldata, fal_number );finslib_message_read( sys, msgdata, msg_mask );
finslib_area_file_compare( sys, start, disk, path, file, num_records );finslib_area_to_file_transfer( sys, start, disk, path, file, num_records );finslib_file_memory_format( sys, disk );finslib_file_name_read( sys, diskinfo, fileinfo, disk, path, start_file, num_files );finslib_file_read( sys, disk, path, filename, data, file_position, num_bytes );finslib_file_to_area_transfer( sys, start, disk, path, file, num_records);finslib_file_write( sys, disk, path, filename, data, file_position, num_bytes, open_mode );
finslib_bcd_to_int( value, type );finslib_errmsg( error_code, buffer, buffer_len );finslib_filename_to_83( infile, outfile );finslib_int_to_bcd( value, type );finslib_milli_second_sleep( int msec );finslib_monotonic_sec_timer( void );finslib_raw( sys, command, buffer, send_len, recv_len );finslib_valid_directory( path );finslib_valid_filename( filename );