
121022 v1.02-RiA
Operating instructions SG-RS 309-2
Page 22/23
Technical data
SG-RS 309-2
24 to 36 V DC
Testing basis
EN 45545, EN 50155, ISO 13849-1, ISO 13856-1, ISO 13856-2,
ISO 13856-3
Connecting voltage U
S
Nominal voltage
24 to 36 V DC
Voltage tolerance
−30 to +25%
Nominal current (outputs unloaded)
30 mA
EN 50155:
Power supply switching class
C2
Power supply interruption class
S2
Power consumption (outputs unloaded)
< 1.5 W
Melting integral (I
2
t)
4.5 A
2
s
Line length (max.)
10 m
Internal fuse protection
2.5 A time-lag
Times
Reaction time t
a
< 15 ms
Start time (max.)
2 s
Restart time t
w
< 150 ms
Safety classifications
ISO 13856: Reset function
With/without
ISO 13849-1:2015
Category 3 PL d
MTTF
D
937 a
DC
avg
92%
n
op
(assumption)
52560/a
CCF
Requirements met
Inputs
Sensors 1 and 2
Y1, Y2 and Y3, Y4
Monitoring resistor
8k2 or 10 kiloohms
Tolerance range (max.)
−5 to +10%
Switching thresholds
Sensor activated
< 6 kiloohms
Cable break
> 14.6 kiloohms
Line resistance
< 10 ohms
Line length (max.)
30 m
Reset
Line length (max.)
10 m
Outputs
Monitoring circuits 1 and 2
12, 32 and 22, 42
EN 60947-5-1: Utilisation category
DC-12: U
S
/ 100 mA
Switching voltage
U
S
− 0.7 V
Switching current (max.)
100 mA
Switching current (min.)
> 0 mA
Line length (max.)
10 m
Technical data