Fig. 11: Derating Curve For The Contact Currents On The Safety Contacts - SICK MOC3ZA Notice D'instructions

en
Chapter 9
Fig. 11: Derating curve for
the contact currents on the
safety contacts
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Technical specifications
Safety-related parameters
All these data are based on an ambient temperature of +40 °C.
Safety Integrity Level 2)
SIL claim limit 2)
Category
Performance Level 2)
T (mission time)
M
MTTF
d
MTTF
t
cycle
Hardware fault tolerance (HFT)
SFF
PFHd (mean probability of a
dangerous failure per hour)
B
10d
Derating curve for the contact currents
2) For detailed information on the safety design of your machine or system, please contact your local SICK
representative.
Minimum Typical
SIL3 (IEC 61508)
SILCL3 (EN 62 0 61)
Category 4 (EN ISO 13 8 49-1)
PL e (EN ISO 13 8 49-1)
20 years (EN ISO 13849)
93 years
181800 h (20.8 years)
28.8 × 10 3 s/cycle or 1 cycle/8 h
1
99.7%
41 × 10 –9
B = 500000 cycles
10d
(Usage category according to IEC 60947-5-1:
DC13)
8014608/1DS0/2022-02-16
Operating instructions
MOC3ZA
Maximum
Subject to change without notice