General technical data
1.8 Environmental conditions for the operation of SIPLUS S7-300 modules
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
31
Environmental conditions
Operating category: to IEC 721 -3-3, Class 3K5.
The SIPLUS S7-300 modules may also be used under the following climatic, chemical,
biological and mechanical environmental conditions:
Table 1- 4 SIPLUS S7-300 Modules: Environmental conditions
Temperature:
Horizontal mounting position:
Vertical mounting position:
-25 °C to +60 °C/70°C
Relative humidity 5 ... 100 %, condensation / condensation allowed
Resistance against biologically active substances Conformity with EN 60721-3-3, Class 3B2 mildew, fungi and
sponge spores (excluding fauna)
Resistance against chemically active substances Conformity with EN 60721-3-3, Class 3C4 incl. salt mist and
ISA –S71.04 severity level G1; G2; G3; GX
1)2)
Resistance against mechanically active substances Conformity with EN 60721-3-3, Class 3S4 incl. conductive
2)
Air pressure in relation to
ambient temperature - air pressure - installation altitude
- 25 ... +60/70 °C at 1140 ... 795 hPa ≙ -1000 ... +2000 m
- 25 ... +50/60°C at 795 ... 658 hPa ≙ +2000 ... +3500 m
- 25 ... +40/50°C at 658 ... 540 hPa ≙ +3500 ... +5000 m
Certificate of suitability as approval for rail application
--> Partly EN 50155 T1 Cat1 Cl A/B
ISA –S71.04 severity level GX: Dauerbelastung/long-term load: SO2 < 4.8 ppm; H2S < 9.9 ppm; Cl < 0.2 ppm;
HCl < 0.66 ppm; HF < 0.12 ppm; NH < 49 ppm; O3 < 0.1 ppm; NOX < 5.2 ppm
limit value (max. 30 min/d): SO2 < 14.8 ppm; H2S < 49.7 ppm; Cl < 1.0 ppm; HCl < 3.3 ppm; HF < 2.4 ppm;
NH < 247 ppm; O3 < 1.0 ppm; NOX < 10.4 ppm
2)
When operated in harmful gas environments, the supplied plug covers must remain on the non-used port.
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