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 
162  Installation and Operating Manual, 08/2008, A5E00103686-07 
Technical Specifications 
Control of a digital input  Not possible 
Switching frequency   
•  With resistive load 
30 Hz, maximum 
•  With inductive load in accordance with IEC 
60947-5-1, DC13 
0.1 Hz, maximum 
•  With lamp load 
10 Hz, maximum 
Voltage induced on current interruption limited to  L+ (-2×47 V), typical 
Short-circuit protection of output  Yes, electronic 
•  Response threshold (short circuit) 
5 A to 12 A 
•  Response threshold (external M-short circuit) 
5 A to 12 A 
•  Response threshold (external P-short circuit) 
4 A to 12 A 
Time, Frequency 
Internal processing times   See 
"Response Times"
 
Minimum sensor signal duration  See 
"Minimum Duration of Sensor Signals to 
Allow Correct Detection by the F-DI Module"
 
table in 
"Wiring and Fitting Modules"
 
Protection against Overvoltage 
Protection of power supply L+ from surge in 
accordance with IEC 61000-4-5 with external 
protection elements only 
 
•  Symmetrical (L+ to M) 
+ 1 kV; 1.2/50 μs 
•  Asymmetrical (L+ to PE, M to PE) 
+ 2 kV; 1.2/50 μs 
*: For more information on the requirements for sensors and actuators, see "Wiring and Fitting 
Modules". 
**: Operating below the permissible supply voltage is only permissible for the repair time. See chapter 
"
Introduction (Page 61)."