Planning the use
3.6 Insulation resistance, protection class and degree of protection
KP8, KP8F
36
Operating Instructions, 10/2010, A5E03284305-01
3.6
Insulation resistance, protection class and degree of protection
Insulation resistance of the HMI device
Proof of dielectric strength must be provided in the type test at a test voltage to
IEC 61131-2:2007:
Circuits with a nominal voltage of U
e
to
other circuits or ground
Test voltage
< 50 V
500 VDC
Protection class of the HMI device
HMI device
Protection class according to IEC 60417-DB-HS:2008
Front and rear panel
Protection class III
Degree of protection of the HMI device
NOTICE
Degree of protection IP65 for HMI device
If the HMI device is not installed according to this manual, the HMI device does not comply
with the specified protection type.
Make sure the mounting is done properly.
HMI device
Degree of protection IEC 60529:2000
Front
IP65
Rear
IP20
3.7
Requirements for fail-safe operation
3.7.1
Sensor for 1oo1 mode
The following safety categories can be achieved with the HMI device:
● SIL2 corresponding to IEC 61508:2010
● PL d corresponding to IEC 13849:2006
● Category 3 corresponding to EN 954:1996
