
SIMATIC S7-400
Introduction
S7-400/S7-400H/S7-400F/FH
6/3
Siemens ST 70 · 2013
■
Overview (continued)
S7-400F/FH
• Failsafe automation system for plants with increased safety
requirements
• Complies with safety requirements to SIL 3 in accordance with
IEC 61508, AK6 in accordance with DIN V 19250 and Cat. 4
in accordance with EN 954-1
• If required, also fault tolerant through redundant design
• Without additional wiring of the safety-related I/O:
• Safety-relevant communication via PROFIBUS DP with
PROFIsafe profile
• Based on S7-400H and ET 200M with fail-safe modules
• Standard modules for non-safety-related applications can
also be used in the automation system
• Isolation module for joint use of fail-safe and standard
modules in safety mode in one ET 200M
■
Technical specifications
General technical data
Degree of protection
IP20
Ambient temperature 0 to 60 °C
Relative humidity
5 to 95%, no condensation
Atmospheric pressure 1080 to 795 hPa (corresponds to
an altitude of 1000 m to 2000 m)
Electromagnetic compatibility
• Interference immunity According to EN 61000-6-2
• Emitted interference
According to EN 61000-6-4
Mechanical load
• Vibration, test according to /
tested with
IEC 60068-2-6 (sine)
10 to 58 Hz; constant amplitude
0.075 mm;
58 to 500 Hz; constant acceleration
1 g; duration of oscillation:
10 frequency sweeps per axis in
each direction of the three mutually
perpendicular axes
• Shock, test according to /
tested with
IEC 60068-2-27
Type of shock: Half-sine;
strength of the shock 10 g
(peak value), duration 6 ms
direction of shock: 100 shocks in
each of the 3 mutually perpendicular
axes.
Kap_06_eng.book Seite 3 Donnerstag, 2. Mai 2013 4:16 16
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