The function modules for mounting onto contactors enable the assembly of starters and contactor assemblies for direct-on-line, reversing and wye-delta starting without any additional, complicated wiring of the individual components. They include the key control functions required for the particular starter, e. g. timing and interlocking, and can be connected to the control system by either parallel wiring or through the IO-Link point to point wiring system or with AS-Interface.
SIRIUS 3RA2811/12/16 Function Modules
The function modules facilitate the assembly of starters and contactor combinations for direct and star-delta start-up. They comprise all important control functions required for the respective feeder – e.g. timing and electric interlocking function. The function modules, which act as timing relays, can be rapidly and easily mounted on SIRIUS contactors – without laborious wiring. They support contactor switching both with ON and OFF delay.