Compact module - compact programmable relay module - supply voltage 100-250V~ - 8 digital inputs 100-250V~ - 4 SPNO outputs, max. 10A - RS232 port for programming/monitoring - LED indicators for inputs and outputs - 2 potentiometers for timers and analogue values - 16kB user-program memory - 32 timers, 32 counters - real time clock (RTC) with calender function - 67.5mm DIN rail mount housing - graphical programming with "SLS-500-Configurator in Microsoft Power Point