Working With Projects Keys: Ш Left-click one of the keys (F1 – F16) to set switches or buttons. Switch Press = On, press again = Off, etc. Key Press = On, release = Off LEDs: Ш Left-click one of the LEDs to set it to Internal or External. Internal LED will be controlled by the switching function. External LED will be controlled by the PLC. Blink-LEDs: Ш Left-click one of the LEDs to turn flashing On or Off. Flash on LED works as a flashlight indicator. Flash off LED is permanently on when needed. LED colour Ш You can set the LEDs to being either red or green. If the keys are set to be Monostable, the key code will be transferred to the PLC only once.
After evaluation by the user program, the user may have to clear the key code. 39