Download Operating Instructions HMI device MP 177 (WinCC flexible)

Planning application
3.4 Specifications for Insulation Tests, Protection Class and Degree of Protection
Note
You can use an MP 177 in the mounting cut-out of the following HMI devices:
• TP 177A
• TP 177B 6"
• TP 277
Maintaining clearances
The HMI device must be installed with the following clearances:
● 50 mm above and below the mounting cut-out for ventilation
● 15 mm to the right and left of the mounting cut-out for inserting the mounting clamps for
installation
● At least 10 mm clearance in addition to the mounting cut-out of the HMI device is required
at the rear
NOTICE
Ensure that the maximum ambient temperature is not exceeded when mounting the
device in a cabinet and especially in a closed enclosure.
3.4
Specifications for Insulation Tests, Protection Class and Degree of
Protection
Test voltages
Insulation strength is demonstrated in the type test with the following test voltages in
accordance with IEC 61131-2:
Circuits with a nominal voltage of Ue to other
circuits or ground
Test voltage
< 50 V
500 VDC
Protection class
Protection Class I in accordance with IEC 60536, i.e. PE/ground terminal to profile rail
required.
MP 177 (WinCC flexible)
Operating Instructions, 08/2008, 6AV6691-1DP02-0AB0
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