Fail-Safe Modules 
  7.6 EM 4 F-DI/3 F-DO DC24V PROFIsafe digital electronic module 
ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
139 
7.6.2  Terminal assignment of the EM 4 F-DI/3 F-DO DC24V PROFIsafe 
Front view 
)DXOW/('SHUHQFRGHUVXSSO\UHG
YROWDJHVXSSO\IDXOW
*URXSHUURUGLVSOD\UHG
6WDWXVGLVSOD\VSHULQSXW
DQGSHURXWSXWJUHHQUHG
 
Figure 7-34  Front view 4F-DI/3F-DO 
 
WARNING 
 
The SF LED and the status displays of the inputs/outputs are not designed for safety-
related functions and may therefore not be evaluated for safety-related activities.