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