Siemens Industry Sector; www.siemens.com
Technology Sourcebook
Failsafe controller
Suitable for high-end standard and safety-related machine and plant automation applications, the Siemens Industry SIMATIC S7-1518F failsafe controller offers a bit performance of 1 nanosecond. It features a Profinet interface with a 2-port switch for communication with the field level; 2 Profinet interfaces; and 1 Profibus interface. The controller accommodates up to 128 drive axes, operates isochronously in 250 microseconds and has 10MB of memory. It is certified to EN 61508 (2010) for functional safety.