Installation; Guidelines For Installing S7-1200 Devices - Siemens SIMATIC S7-1200 System Manual

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Installation

The S7-1200 equipment is designed to be easy to install. You can install an S7-1200 either

on a panel or on a standard rail, and you can orient the S7-1200 either horizontally or

vertically. The small size of the S7-1200 allows you to make efficient use of space.

Electrical equipment standards classify the SIMATIC S7-1200 system as Open Equipment.

You must install the S7-1200 in a housing, cabinet, or electric control room. You should limit

entry to the housing, cabinet, or electric control room to authorized personnel.

The installation should provide a dry environment for the S7-1200. SELV/PELV circuits are

considered to provide protection against electric shock in dry locations.

The installation should provide the appropriate mechanical strength, flammability protection,

and stability protection that is approved for open equipment in your particular location

category according to applicable electrical and building codes.

Conductive contamination due to dust, moisture, and airborne pollution can cause

operational and electrical faults in the PLC.

If you locate the PLC in an area where conductive contamination may be present, the PLC

must be protected by an enclosure with appropriate protection rating. IP54 is one rating that

is generally used for electronic equipment enclosures in dirty environments and may be

appropriate for your application.

Improper installation of the S7-1200 can result in electrical faults or unexpected operation

of machinery.

Electrical faults or unexpected machine operation can result in death, severe personal

injury, and/or property damage.

All instructions for installation and maintenance of a proper operating environment must be

followed to ensure the equipment operates safely.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK