Usage planning
4.4 Guidelines for Handling Electrostatic Sensitive Devices (EMC)
Panel PC 670 V2/870 V2, Control unit
4-4
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
4.4
Guidelines for Handling Electrostatic Sensitive Devices (EMC)
Electromagnetic Compatibility
The device fulfills the requirements of the EMC law of the Federal Republic of Germany as
well as the EMC Guidelines of the Single European Market.
The device is designed as a built-in model with front-sided Protection Class IP 65. Ensure
compliance with the EN 61000-4-2 standard by installing the device in grounded metal
cabinets, e.g. MC cabinets, Siemens catalog NV21.
Note
Please refer to the appendix for for more information concerning the EMC requirements.
Installing the device according to EMC guidelines
Principles of interference-free operation:
•
Installing the controls according to EMC guidelines
•
Using interference immune cable
Note
The instructions "Guidelines for the assembly of interference immune programmable logic
controllers" with the article ID 1064706 and the manual "PROFIBUS networks" with the
article ID 1971286, which also applies to the installation of the device, is located on the
"Documentation and Drivers" CD.
4.5
Mounting postion and attachment
4.5.1
Installation guidelines
Before installing the device, please observe the following information which applies both to
the centralized and decentralized designs.
Warning
Dangerous voltage
When opening the switch cabinet, beware of exposed live parts which are dangerous upon
contact.
Isolate the power supply to the switch cabinet before opening it. Make sure that the power to
the switch cabinet cannot be turned on accidentally.
Caution
The device is approved for use in closed areas only.