SIRIUS, CENTRAL UNIT 3RK3 ASISAFE BASIC FOR MODULAR SAFETY SYSTEM 3RK3 1/2F-DI,6DI,1F-RO,1F-DO,24VDC MONITORING OF ASI SLAVES, CONTROL OF 8 SAFE OUTPUTS ON AS-I BUS PARAMETERIZABLE VIA SW MSS ES WIDTH 45MM SPRING-LOADED TERMINAL UP TO SIL3 (IEC 61508) UP TO PERFORMANCE LEVEL E (ISO 13849-1) NO EXPANSION MODULE CAN BE CONNECTED