Operating instructions

MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
37
Safety instructions and approvals
2
2.1 Safety instructions
High frequency radiation
NOTICE
Unwanted operating states
High-frequency radiation, for example, from cellular phones, can trigger unwanted
operating states.
Proper use
WARNING
Commissioning the HMI device is prohibited until it has been absolutely ensured that the
machine in which the HMI device is to be installed complies with Directive 98/37/EC or
Directive 2006/42/EC as of December 29, 2009.
Hazardous areas
When operating the HMI device in hazardous areas the following warning applies.
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.