SIEMENS SIPLUS S7-400 high-availability CPUs

SIEMENS SIPLUS S7-400

The following SIPLUS S7-400 high-availability CPUs with a graded performance spectrum are available for a wide range of different applications in extreme ambient conditions:

  • SIPLUS S7-400 CPU 412H
  • SIPLUS S7-400 CPU 414H
  • SIPLUS S7-400 CPU 416H
  • SIPLUS S7-400 CPU 417H

SIPLUS S7-400 high-availability CPUs are designed for use in the following extended ambient conditions:

  • Extended ambient temperature range from -25 °C to +70 °C
  • Where increased resistance to chemical, mechanical and biological loading as well as salt spray is required
  • Higher installation altitudes
  • In relative humidity up to 100%

SIEMENS SIPLUS S7-400 high-availability CPUs

SIPLUS extreme is based on standard Siemens‘ products including SIMATIC S7 1200/300/400, SIMATIC PCS 7, SITOP and SIPLUS RIC. These are refined for harsh
industrial conditions, and are therefore ideally suited for difficult applications in the water and wastewater industry. Advantages of SIPLUS extreme products include:
• Extended operating temperature ranges from – 40/– 25 °C to +70 °C (including start-up if not otherwise specified)
• Protection against humidity (up to 100 %), condensation, and salt loaded atmospheres via conformal coating
• Resistance to chemically, mechanically and biologically active substances in accordance with EN60721-3C4, 3S4, 3B2 and ISA S71.04-G1, G2, G3, GX – e.g. hydrogen sulfide (H2S) and chlorine (Cl)
Customizing
Development and implementation of customized or individual product solutions are available on request.
The SIPLUS extreme range already includes approximately 500 products and it is growing continually!

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Technical specifications

General technical data of SIPLUS S7-400

Ambient temperature range

-25/0 … +60/70 °C

Conformal coating

Coating of the printed circuit boards and the electronic components

Technical data

The technical data of the standard product applies except for the ambient conditions.

Ambient conditions:

Extended range of environmental conditions

  • with reference to ambient temperature, air pressure and altitude

Tmin … Tmax at 1080 hPa … 795 hPa (-1000 m … +2000 m) //
Tmin … (Tmax – 10K) at 795 hPa … 658 hPa (+2000 m … +3500 m) //
Tmin … (Tmax – 20K) at 658 hPa … 540 hPa (+3500 m … +5000 m)

  • At cold restart, min.

0° C

Relative humidity

  • with condensation, max.

100 %; RH incl. bedewing/frost (no commissioning in bedewed state)

Resistance

  • to biologically active substances/compliance with EN 60721-3-3

Yes; Class 3B2 mold and fungal spores (except fauna); the supplied plug covers must remain in place on the unused interfaces during operation.

  • to chemically active substances/compliance with EN 60721-3-3

Yes; Class 3C4 (RH < 75%) incl. salt spray in accordance with EN 60068-2-52 (severity 3); the supplied plug covers must remain in place on the unused interfaces during operation.

  • to mechanically active substances, compliance with EN 60721-3-3

Yes; Class 3S4 incl. sand, dust; the supplied plug covers must remain in place on unused interfaces during operation.

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