Siemens SIMATIC S7-1200 System Manual page 60

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Installation

4.3 Installation and removal procedures

Always ensure that whenever you replace or install an S7-1200 device you use the correct

module or equivalent device.

Incorrect installation of an S7-1200 module may cause the program in the S7-1200 to

function unpredictably.

Failure to replace an S7-1200 device with the same model, orientation, or order could result

in death, severe personal injury and/or property damage due to unexpected equipment

Replace an S7-1200 device with the same model, and be sure to orient and position it

Do not disconnect equipment when a flammable or combustible atmosphere is present.

Disconnection of equipment when a flammable or combustible atmosphere is present may

cause a fire or explosion which could result in death, serious injury and/or property

Always follow appropriate safety precautions when a flammable or combustible atmosphere

Electrostatic discharge can damage the device or the receptacle on the CPU.

Make contact with a grounded conductive pad and/or wear a grounded wrist strap whenever

you handle the device.

S7-1200 Programmable controller

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