10
Technical data
10.1
Data sheet
Table 5: Safety-related parameters
Desired safety integrity level (IEC 61508)
1)
SIL3
SIL2
SIL1
SIL claim limit
(IEC 62061)
SILCL3
SILCL2
SILCL1
Cate‐
gory (ISO 13849-1)
4
3
3
Performance level (ISO
13849-1)
PL e
PL d
PL c
Hardware error toler‐
ance
1
Maximum test interval
of the safety function
1 month
1 year
–
MTTF
D
(single chan‐
nel) (ISO 13849-1)
300 years
100 years
100 years
PFH
D
(mean probability of a dangerous failure per hour)
2)
For operating
heights ≤ 2,000 m
above sea level
1 × 10
-9
1 × 10
-8
1 × 10
-7
For operating
heights 2,000...
4,000 m above sea
level
5 × 10
-9
5 × 10
-8
1 × 10
-7
PFD
avg
(mean probability of a dangerous failure on demand)
2)
For operating
heights ≤ 2,000 m
above sea level
5 × 10
-5
5 × 10
-4
5 × 10
-3
For operating
heights 2,000...
4,000 m above sea
level
2.5 × 10
-4
2.5 × 10
-3
5 × 10
-3
T
M
(mission time)
20 years (ISO 13849-1)
Safe status when a
fault occurs
The normally open is open; in other words, the safety-related enabling
current paths are interrupted.
Stop category
0 (IEC 60204-1)
1)
The required safety integration level depends on your application.
2)
If service life curve is adhered to,
.
Table 6: Mechanical data
Weight
150 g
Mounting
Mounting rail (IEC 60715)
Connection type
Spring terminals
Stripping length
8 mm
Wire cross-section
Single wire (1×)
0.2 mm
2
… 1.5 mm
2
Fine wire (1×)
0.2 mm
2
… 1.5 mm
2
10
TECHNICAL DATA
24
O P E R A T I N G I N S T R U C T I O N S | ReLy OSSD3
8023925/2019-10-11 | SICK
Subject to change without notice
