FC6A SERIES MICROS MART USER ’S M ANUAL FC9Y-B17225-15: FUNCTIONS AND SETTINGSIntroductionThis chapter describes the FC6A Series MICROSmart's special functions and convenient functions that you should know about inusing the WindLDR (Windows compatible) PLC programming software.Function ListThe FC6A Series MICROSmart supports many functions in addition to instructions.For functions that require advanced setup including the high-speed counters, user program protection functions, and Ethernetcommunication functions, first configure those settings in the Function Area Settings dialog box, and then download the userprogram to the FC6A Series MICROSmart.Function Name Overview Reference Setup LocationStop input The FC6A Series MICROSmart can be started/stopped with a specified input. 5-7Function areasettingsReset input The device values of the FC6A Series MICROSmart can be cleared with aspecified input. 5-7Run/stop selection at keepdata errorThis function specifies the user program operating state (run/stop) when theFC6A Series MICROSmart power is turned on when the backup battery hasdied.5-9Run/stop selection atpower upWhether to start or stop the FC6A Series MICROSmart regardless of theM8000 status when the FC6A Series MICROSmart is powered up can bespecified.5-10Function switchconfigurationThis function configures the operation when the FC6A Series MICROSmartfunction switch is used. 5-11Memory backup Whether to clear or keep the device values, such as counter current values,when the FC6A Series MICROSmart starts running can be specified. 5-13High-speed counter The high-speed counters can be used to count input pulses from rotaryencoders or proximity switches regardless of the scan time. 5-15Catch input The catch input can be used to receive short pulses from sensors regardlessof the scan time. 5-35Interrupt inputWhen a quick response to an external input is required, such as in positioningcontrol, the interrupt input can call a subroutine to execute an interruptprogram.5-37Frequency measurement The pulse frequency of input signals to input terminals can be countedregardless of the scan time. 5-40Input filter The input filter rejects short input pulses when the FC6A Series MICROSmartis used with input signals containing noises. 5-42Analog voltage input Analog voltage input, such as input from pressure sensor, can be read andstored in special data register as digital value. 5-44Analog potentiometer This function changes the analog value used in a user program with the FC6ASeries MICROSmart's analog potentiometer. 5-46Timer interrupt When executing the same program repeatedly regardless of the scan time isrequired, the timer interrupt can call a subroutine at specified time interval. 5-48Forced I/O function The inputs or outputs of the FC6A Series MICROSmart can forcibly be turnedon or off regardless of the actual inputs and outputs status. 5-50 MonitorExternal memory devices Configure the CSV file format of the log data to save to the SD memory card. 5-54Function areasettingsLog data file size The maximum file size of the log data that is saved to the SD memory cardcan be configured. 5-5532-bit data storage setting The order of upper and lower words for 32-bit data can be specified. 5-56User program protection The user program in the FC6A Series MICROSmart can be protected with apassword against the user program upload or download. 5-58Watchdog timer settings The watchdog timer monitors the FC6A Series MICROSmart operation and thewatchdog time preset value can be changed. 5-60Constant scan time The scan time of the FC6A Series MICROSmart can be made constant byspecifying the constant scan time. 5-61Daylight savings time The internal clock of the FC6A Series MICROSmart can automatically beadjusted according to the configured daylight saving time period. 5-62Clock function The FC6A Series MICROSmart can operate according to the current date andtime and be used in applications, such as lighting or air conditioning. 5-63 Instructions