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
159
Generally applicable information on diagnostics
For information on diagnostics that affects all fail-safe modules (such as readout of
diagnostic functions; passivation of channels) see this manual in
"Diagnostics"
and the
S7 Distributed Safety, Configuration and Programming
manual or
S7 F/FH Systems,
Configuring and Programming
.
See also
Fault Diagnostics (Page 43)
7.6.8 Technical specifications of the EM 4 F-DI/3 F-DO DC24V PROFIsafe
Overview
Technical Specifications
Dimensions and Weight
Dimensions W x H x D (mm) 30 x 81 x 52
Weight Approx. 73 g
Data for Specific Module
Number of inputs
• 2-channel
4, maximum
Number of outputs (P/M switching) 3, maximum
Assigned address area
• I/O area for inputs
7 bytes
• I/O area for outputs
5 bytes
Length of cable
• Unshielded *
30 m, maximum
• Shielded *
30 m, maximum
Maximum achievable safety class
• In accordance with IEC 61508
SIL2
• In accordance with EN 954
Category 3
• In accordance with ISO 13849
PLd
Fail-safe performance characteristics SIL2
• Low demand mode (average probability of
failure on demand)
< 1.00E-04
• High demand/continuous mode (probability of
a dangerous failure per hour)
< 1.00E-08
• Acceptance ID
cULus, FM, ATEX, CE, C-Tick
Voltages, Currents, Potentials
Rated supply voltage L+ 24 VDC
• permissible range **
20.4 V to 28.8 V
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