ABB AC500-S Safety User Manual page 94

AC500-S Safety Modules
DI581-S digital safety input module > Circuit examples
2 x OSSD output (with internal tests), external sensor power supply
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
Fig. 32: Circuit example DI581-S, 2 x OSSD output (with internal tests), external sensor power supply
1) - MTTFd = High, DC = High
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)
94
OSSD
OSSD
GND
In DI581-S module
External 24VDC (OSSD)
External 24VDC (OSSD)
SIL 3/Cat. 4/PL e
SIL 3
1.0 T0 PWR 2.0I0
1.1 2.1I1
1.2 T1 2.2I2
1.3 2.3I3
1.4T2 2.4I4
ADDR
2.5I5
1.5
x10H
4
3 5
6
2
2.6I6
1.6T3
1 7
0 8
F 9
A
1.7 E 2.7I7
D
B
C
ADDR
1.8 UP 2.8UP
x01H
4
3 5
6
2
1.9 ZP 2.9ZP
1 7
0 8
F 9
E A
D
B
ERR1
C
UP 24VDC 5W
1.0 2.0
1.1 2.1
1.2 2.2
1.3 2.3
1.4 2.4
1.5 2.5
1.6 2.6
1.7 2.7
1.8 2.8
1.9 2.9
AC500-S
DI581-S
3.0 T4 4.0I8
3.1 4.1I9
3.2 T5 4.2I10
3.3 4.3I11
3.4 T6 4.4I12
4.5I13
3.5
3.6 T7 4.6I14
3.7 4.7I15
3.8 UP 4.8UP
3.9 ZP 4.9ZP
ERR2
16SDI
Safety Digital Input 24VDC
3.0 4.0
3.1 4.1
3.2 4.2
3.3 4.3
3.4 4.4
3.5 4.5
3.6 4.6
3.7 4.7
3.8 4.8
3.9 4.9
30.03.2017