Siemens SIMATIC TP900 Comfort INOX PCT

Safety instructions
2.5 Use in hazardous areas
Comfort Panels INOX PCT
16 Compact Operating Instructions, 07/2021, A5E38804191-AE
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 area
s. Operation of an HMI device in
residential areas can have a negative influence on radio or TV reception.
Use with additional measures
The HMI device should not be used at the following locations unless additional measures are
taken:
• In locations with a high degree of ionizing radiation
• In locations with severe operating conditions, for example, due to:
– Corrosive vapors, gases, oils or chemicals
– Strong electrical or magnetic fields of high intensity
• In systems that require special monitoring, for example, in:
– Elevators
– Systems in especially hazardous rooms
2.5 Use in hazardous areas
The following warnings apply to operating a device with Ex approval in hazardous areas.
WARNING
Explosion Hazard
Do not disconnect while circuit is live unless area is known to be non-hazardous.
Substitution of components may impair suitability for Class I, Division 2 or Zone 2.
Risque d'Explosion
Ne pas déconnecter pendant que le circuit est sous tension, sauf si la zone est non-
dangereuse. Le remplacement de composants peut compromettre leur capacité à satisfaire
à la Classe I, Division 2 ou Zone 2.