SIEMENS
11/34
Siemens IC 10 · 2017
SIRIUS 3RK3 Modular Safety System
General data
11
1)
Device current supply through a power supply unit according to IEC 60536
protection class III (SELV or PELV).
Type
Central units
Expansion modules
Basic
Advanced
ASIsafe
basic
ASIsafe
extended
4/8 F-DI
2/4 F-DI
1/2 F-RO
2/4 F-DI
2 F-DO
4/8 F-RO
4 F-DO
8 DI
8 DO
Electrical specifications
Rated control supply
voltage
U
s
acc. to IEC 61131-2
V
24 DC
15 %
1)
Operating range
0.85 ... 1.15 x
U
s
Rated insulation
voltage
U
i
V
300
50
300
50
300
50
Rated impulse
voltage
U
imp
kV
4
0.5
4
0.5
4
0.5
Total current input
mA
185
60
85
140
8
78
60
Rated power at
U
s
W
4.5
1.5
2
3
4.8
1.9
1.5
Utilization category
acc. to IEC 60947-5-1
Relay outputs
• AC-15 at 230 V
A
2
--
2
--
2
--
--
--
• DC-13 at 24 V
A
1
--
1
--
1
--
--
--
Semiconductor outputs
• DC-13 at 24 V
A
1.5
--
--
1.2
--
2
--
0.5
Mechanical endurance
During rated operation
Operat-
ing
cycles
(relay)
10 x 10
6
--
10 x 10
6
--
10 x 10
6
--
Switching frequency z
At rated operational
current
1/h
1 000
--
1 000
360
1 000
--
1 000
Conventional thermal
current
I
th
A
2/1.5
--
1
1.2
3
2
--
0.5
Protection for output
contacts
Fuse links,
LV HRC, type 3NA;
DIAZED, type 5SB;
NEOZED, type 5SE
• Operational class gG
A
4
--
4
--
4
--
• Operational class quick
A
6
--
6
--
6
--
Safety specifications
Probability of a
dangerous failure
• per hour (PFH
d
)
1/h
5.14 x 10
-9
3.8 x 10
-9
with AS-i,
2.8 x 10
-9
without AS-i
1.89 x
10
-9
3.79 x
10
-9
2.7 x
10
-9
7.15 x
10
-9
3.18 x
10
-9
--
• On demand (PFD)
1.28 x 10
-5
1.7 x 10
-4
4.29 x
10
-6
5.85 x
10
-6
8.34 x
10
-6
4.36 x
10
-5
2.2 x
10
-5
--
Parameters for cables
Line resistance
100
--
100
--
Cable length from
terminal to terminal
With Cu 1.5 mm
2
and
150 nF/km
m
1 000
--
1 000
--
Conductor capacity
nF
330
--
330
--
© Siemens AG 2016