SICK ReLy EMSS3

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
(IE
C 62061)
SILCL3 SILCL2 SILCL1
Cate‐
g
ory (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 t
he safety function
1 month 1 year –
MTTF
D
(single chan‐
nel) (ISO 13849-1)
300 years 100 years 100 years
PFH
D
(me
an probability of a dangerous failure per hour)
2)
For operating
hei
ghts ≤ 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
a
vg
(mean probability of a dangerous failure on demand)
2)
For operating
hei
ghts ≤ 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
f
ault 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, see
figure 11, page 29.
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
TECHNICAL DATA 10
8023937/2019-10-11 | SICK O P E R A T I N G I N S T R U C T I O N S | ReLy EMSS3
25
Subject to change without notice