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SIMATIC S7-1200

Introduction

S7-1200

4/3

Siemens ST 70 · 2011

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Technical specifications (continued)

ISA –S71.04 severity level GX: long-term load: SO

< 4.8 ppm;

S < 9.9 ppm; Cl < 0.2 ppm; HCl < 0.66 ppm; HF < 0.12 ppm;

NH < 49 ppm; O

< 0.1 ppm; NOX < 5.2 ppm

limit value (max 30 min): SO

<17.8ppm; H

S < 49.7 ppm;

Cl < 1.0 ppm; HCl < 3.3 ppm; HF < 2.4 ppm; NH < 247 ppm;

<1.0ppm; NOX <10.4ppm

The supplied plug covers must remain in place over the unused

interface when operated in atmospheres containing corrosive gases!

General technical specifications SIPLUS S7-1200

Ambient temperature range -25 ... +55/70 °C

Conformal coating Coating of the PCB and

the electronic components

Technical specifications

The technical specifications of

the standard product apply

except for the ambient conditions.

Ambient conditions

Relative humidity

5 … 100 %, condensation

permitted

Biologically active substances

Conformity with EN 60721-3-3,

class 3B2 mold and fungal spores

(except fauna)

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)

Mechanically active substances Conformity with EN 60721-3-3,

class 3S4 incl. conductive sand,

dust

Air pressure (depending on the

highest positive temperature range

specified)

1080 ... 795 hPa

(-1000 … +2000 m)

See ambient temperature range

795 ...658 hPa

(+2000 ... + 3500m)

Derating 10K

658 … 540 hPa

(+3500 … +5000 m)

Derating 20 K

1 2 3 4 5 6 7 8 ... 121 122

SIMATIC S7-1200 1

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