Siemens SIMATIC ET 200SP Product Information page 37

SIL
Safety Integrated Level → safety class
Standard mode
Operating mode of F-I/O in which standard communication is possible by means of → safety
message frames, but not → safety-related communication.
Fail-safe ET 200SP modules can only be operated in safety mode.
Value status
The value status is the binary additional information of a digital signal. The value status is
entered in the process image of the input and provides information on the validity of the
signal.
ET 200SP distributed I/O system
Product Information, 07/2013, A5E32288220-AA
Glossary
37