The module is a digital output module that is equipped with 4 opto-triac outputs using phase-angle control. L and N are fed to the module for zero-crossing detection.
6FC5447-0AA00-0AA1 SINUMERIK 810D CCU box enclosure for electronic control CCU box with 3 integr. power units: 2*6 A/12 A for feed drives 1*18/36 A for feed drives or 24 A/32 A for main spindle drives