Operating instructions

Safety instructions and approvals
2.1 Safety instructions
MP 377, MP 377 PRO (WinCC flexible)
38 Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
Working on the control cabinet
The following information applies to MP 377 mounting devices.
WARNING
Open equipment
The HMI device is open equipment. This means that the HMI device may only be mounted
in housings or cabinets, whereby the device can be operated from the front panel.
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.