Basic Panels 
Operating Instructions, 04/2012, A5E02421799-03 
25 
Safety instructions 
2
2.1  General safety instructions 
Working on the control cabinet  
 
WARNING 
 
Open equipment 
The HMI device is open equipment. That means that the HMI device may only be installed 
in cubicles or cabinets that provide front panel access for operating the device. 
The cubicle or cabinet in which the HMI device is installed may only be accessed with a key 
or tool and only by trained, authorized personnel.  
Dangerous voltage 
Opening the cabinet will expose high voltage parts. Contact with these parts could be fatal. 
Always disconnect the cabinet from the mains before opening it. 
 
High frequency radiation  
 
NOTICE 
 
Unwanted operating states 
High-frequency radiation, for example, from cellular phones, can trigger unwanted 
operating states. 
 
Installation as intended  
 
WARNING 
 
Installation only in machinery that conforms to the machinery directive 
It is not allowed to commission the HMI device unless it has been verified that the machine 
in which the HMI device is to be installed complies with Directive 2006/42/EC.