ABB AC500-S Safety User Manual page 75

1-channel
Sensor power supply on channel 1 (I0)
sensor with test
SILCL / PL
pulses
3)
SIL
Fig. 30: Circuit example DI581-S, 1-channel sensor with test pulses
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
Internal using test pulse T0
SILCL 2 / 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 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
75