• Failsafe automation system for plants with increased safety requirements
• Complies with safety requirements to SIL 3 in accordance with IEC 61508, AK6 in accordance with DIN V 19250 and Cat. 4 in accordance with EN 954-1
• If required, also fault tolerant through redundant design
• Without additional wiring of the safety-related I/O
• Safety-related communication via PROFIBUS DP, PROFIBUS PA and PROFINET with PROFIsafe profile
• Based on S7-400H and ET 200M, ET 200iSP, ET 200S with safety-related F-modules
• Standard modules can be used in addition for non-safety-related applications

Catalog ST 70

You can also find information about SIMATIC S7-400 in Catalog ST 70:

http://www.automation.siemens.com/salesmaterial-as/catalog/en/simatic-st70-chap06-english-2015.pdf