The Siemens 3SF7844-6TB08-0SS1 is a Type 4 safety light curtain receiver with 14 mm resolution and a 600 mm protected height, communicating over the ASISAFE bus to a SIMATIC FS440I safety controller. The 14 mm detection capability means it catches fingers reaching into the hazard zone (finger-protection class per IEC 61496-1), while the 0 to 6 m operating range covers typical machine guarding distances on assembly and packaging lines. Cycle control integration allows the receiver to synchronize with the transmitter for reliable blanking and muting functions.
Integration Notes
The receiver mounts to standard machine guarding profiles using the included brackets. The ASISAFE bus connection uses a dedicated M12 connector; cable routing should maintain separation from power conductors to avoid coupling noise into the safety loop. The 14 mm resolution and 600 mm height suit it for point-of-operation guarding on presses, robots, and automated assembly stations where hand access must be detected without nuisance tripping from chips or coolant spray.