ABB AC500-S Safety User Manual page 73

2-channel
2-channel evaluation
sensor (antiva-
Sensor power supply on channel 1 (I0)
lent), 24 V DC
Sensor power supply on channel 2 (I8)
SILCL / PL
3)
SIL
Fig. 28: Circuit example DI581-S, 2-channel sensor (antivalent), 24 V DC
1) - MTTFd = High, DC = Medium
2) - Max. reachable (ISO 13849-1, IEC 62061) ➔ without error exclusion (you can reach higher
levels up to PL e, SILCL 3 with error exclusion)
3) - Max. reachable SIL acc. IEC 61508 (type A components are required)
2020/06/19
1), 2)
24 VDC
GND
3ADR025091M0208, 12, en_US
DI581-S safety digital input module > Circuit examples
In DI581-S module
24 V DC
24 V DC
SILCL 2 / PL d
SIL 3
1.0 T0 PWR 2.0I0 3.0 T4
1.1 2.1I1 3.1
1.2 T1 3.2 T5
2.2I2
1.3 2.3I3 3.3
1.4T2 3.4 T6
2.4I4
ADDR
1.5 2.5I5 3.5
x10H
4
3 5
6
2
1.6T3 1 7 2.6I6 3.6 T7
0 8
F 9
E A
1.7 2.7I7 3.7
D
B
C
ADDR
1.8 UP 2.8UP 3.8 UP
x01H
4
5
3
6
2
1.9 ZP 2.9ZP 3.9 ZP
1 7
0 8
F 9
A
E
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 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
73