ACD GRUPPE M2Smart HMI10 Wired Projektierungshandbuch Seite 52

For a better assessment of the risks, statements of EN 62061 are quoted.
The basic principle of risk is always evaluated in the same way:
The severity of the potential harm and the likelihood of the harm occurring.
Performance Level (PL)
Table 22: Performance Level (PL) according to EN 13849-1
22 Terms and Abbreviations
22.1 Abbreviations
Abbreviation
B10d
PL
BT
Table 23: Abbreviations
22.2 Terms
Abbreviation
Idlemode
Table 24: Terms
M2SmartSE HMI10 Wired_Bedienungs-Projektierungshandbuch_
Operating and Project Engineering Manual_V1.01_de_en
a
b
c
d
e
-
Performance Level
BT-compatible short-range radio
Powe saving mode
Average probability of dangerous failure per
hour
1/h
-5
≥ 10
≥ 3 x 10
-6
≥ 10
to < 3 x 10
-7
≥ 10
-8
≥ 10
Explanation
Number of cycles until 10 % of the
components fail dangerously (per
channel)
Discrete level indicating the ability
of safety-related devices to
perform a safety function under
foreseeable conditions
Explanation
Power saving mode, where some
components of the M2Smart
HMI10 Wired system are put into
sleep mode to save power
-4
to < 10
-6 -5
to < 10
-6
-6
to < 10
-7
to < 10
®
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