The TCT201 series is available in a range of configurations: Timer, Counter, Tachometer/Frequency counter.
TCT201-1ABC with 5 operating modes: Timer-ON, Timer-OFF, Pause-Work, Oscillator, PWM (proportional time output), all with settings independent of the ON-OFF times.
TCT201-2ABC, can be configured as single/double counter, incremental and decremental counter with the option of setting an external potentiometer.