Siemens SIMATIC HMI series Operating Instructions Manual page 32

Safety information
2.2 Notes about usage
Note
24 V DC devices
The device is intended for operation in an SELV circuit according to IEC/EN 61010-2-201 in
a dry environment, which means for the various device types:
• Built-in units: dry environment on the rear of the device
• PRO devices: dry environment inside the housing
Additional information is available in the section "Operating conditions (Page 111)".
Industrial applications
The HMI device is designed for industrial applications. It conforms to the following standards:
● Requirements for emissions EN 61000-6-4: 2007
● Requirements for interference immunity EN 61000-6-2: 2005
Use in mixed-use zone
Under certain circumstances you can use the HMI device in a mixed-use zone. A mixed-use
zone is used for housing and commercial operations that do not have a significant impact on
residents.
When you use the HMI device in a mixed-use zone, you must ensure that the limits of the
generic standard EN 61000-6-3 regarding emission of radio frequency interference are
observed. Suitable measures for achieving these limits for use in a mixed-use zone include:
● Installation of the HMI device in grounded control cabinets
● Use of filters in electrical supply lines
Individual acceptance is required.
Use in residential areas
Note
HMI device not intended for use in residential area
The HMI device is not intended for use in residential areas. Operation of an HMI device in
residential areas can have a negative influence on radio or TV reception.
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IFP, IFP PRO, IFP ETH
Operating Instructions, 11/2017, A5E31298376-AH