ABB AC500-S Safety User Manual page 89

2-channel sensor (antivalent), 24 V DC
2-channel evaluation
Sensor power supply on channel 1 (I0)
Sensor power supply on channel 2 (I8)
1), 2)
SIL/Cat./PL
3)
SIL
24 VDC
GND
Fig. 27: Circuit example DI581-S, 2-channel sensor (antivalent), 24 V DC
1) - MTTFd = High, DC = Medium
2) - Max. reachable (ISO 13849, IEC 62061, EN 954) ➔ without error exclusion (you can reach higher levels
up to PL e, SIL 3, Cat. 4 with error exclusion)
3)
- Max. reachable SIL acc. IEC 61508 (Type A components are required) ➔ without error exclusion (you
can reach higher levels up to SIL 3 with error exclusion)
30.03.2017
DI581-S digital safety input module > Circuit examples
In DI581-S module
24 V DC
24 V DC
SIL 2/Cat.3/PL d
SIL 3
1.0 T0 PWR 2.0I0 3.0 T4
1.1 2.1I1 3.1
1.2 T1 2.2I2 3.2 T5
1.3 2.3I3 3.3
1.4T2 2.4I4 3.4 T6
ADDR
1.5 2.5I5 3.5
x10H
4
3 5
2 6
1.6T3 2.6I6 3.6 T7
1 7
0 8
F 9
A
E
1.7 2.7I7 3.7
D
B
C
ADDR
1.8 UP 2.8UP 3.8 UP
x01H
4
3 5
6
2
1.9 ZP 2.9ZP 3.9 ZP
1 7
0 8
F 9
E A
D
B
C ERR1
UP 24VDC 5W
Safety Digital Input 24VDC
1.0 2.0 3.0
1.1 2.1 3.1
1.2 2.2 3.2
1.3 2.3 3.3
1.4 2.4 3.4
1.5 2.5 3.5
1.6 2.6 3.6
1.7 2.7 3.7
1.8 2.8 3.8
1.9 2.9 3.9
AC500-S
AC500-S Safety Modules
DI581-S
4.0I8
4.1I9
4.2I10
4.3I11
4.4I12
4.5I13
4.6I14
4.7I15
4.8UP
4.9ZP
ERR2
16SDI
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
89