ABB AC500-S Safety User Manual page 76

AC500-S safety modules
DI581-S safety digital input module > Circuit examples
2-channel
2-channel evaluation
sensor (equiva-
Sensor power supply on channel 1 (I0)
lent) with test
pulses
Sensor power supply on channel 2 (I1)
SILCL / PL
3)
SIL
Fig. 31: Circuit example DI581-S, 2-channel sensor (equivalent) 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)
76
1), 2)
24 VDC
GND
3ADR025091M0208, 12, en_US
In safety CPU
Internal using test pulse T0
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 2.4I4 3.4 T6
ADDR
1.5 2.5I5 3.5
x10H
4
5
3
6
2
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
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
2020/06/19