Fail-Safe Modules
7.7 4 F-DO DC24V/2A PROFIsafe digital electronic module
ET 200S Distributed I/O System - Fail-Safe Modules
174
Installation and Operating Manual, 08/2008, A5E00103686-07
Generally Applicable Information on Diagnostics
For information on diagnostics that pertains to all fail-safe modules (for example, for reading
diagnostics functions, or passivating channels), refer to
"Diagnostics" chapter in this manual.
See also
Fault Diagnostics (Page 43)
7.7.6
Technical Specifications of the EM 4 F-DO DC24V/2A PROFIsafe
Overview
Technical Specifications
Dimensions and Weight
Dimensions W x H x D (mm)
30 x 81 x 52
Weight
Approx. 85 g
Data for Specific Module
Number of outputs (P/M switching)
4
Assigned address area
•
I/O area for inputs
5 bytes
•
I/O area for outputs
5 bytes
Length of cable*
•
Unshielded
200 m, maximum
•
Shielded
200 m, maximum
Maximum achievable safety class
•
In accordance with IEC 61508
SIL3
•
In accordance with EN 954
Category 4
•
In accordance with ISO 13849
PLe
Safety characteristics
SIL3
•
Low demand mode (average probability of
failure on demand)
< 1.00E-05
•
High demand/continuous mode (probability of
a dangerous failure per hour)
< 1.00E-10
•
Acceptance ID
FM, cULus, ATEX, CE, C-Tick
Voltages, Currents, Potentials
Rated supply voltage L+
24 VDC
•
permissible range **
20.4 V to 28.8 V
•
Power loss ride-through of L+
None
•
Power loss ride-through of internal P5
5 ms
•
Reverse polarity protection
No