ABB AC500-S Safety User Manual page 121

Relay (2-channel redundant)
2-channel evaluation
Sensor power supply on channel 1 (I4)
Internal output channel test
1)
SIL/Cat./PL
2)
SIL
3)
SIL/Cat./PL
4)
SIL
24 VDC
GND
Fig. 45: Circuit example DX581-S, Relay (2-channel redundant)
1) - Without readback contact: 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) MTTFd = High; DC = 0
2)
- Without readback contact: Max reachable SIL acc. IEC 61508 (Typ A components are required) ➔
without error exclusion (you can reach higher level up to SIL 3 with error exclusion)
30.03.2017
DX581-S digital safety input/output module > Circuit examples
In SM560-S Safety CPU
Internal using test pulse T2
Yes
SIL 1/Cat.1/PL c
SIL 3
SIL 3/Cat.4/PL e
SIL 3
1.0 T0 PWR 2.0I0 3.0 T2
1.1 2.1I1 3.1
1.2 T1 2.2I2 3.2 T3
1.3 2.3I3 3.3
1.4 2.4O0 3.4
ADDR
1.5 2.5O1 3.5
x10H
4
3 5
6
2
1.6 7 2.6O2 3.6
1
0 8
F 9
E A
1.7 2.7O3 3.7
D B
C
ADDR
1.8 UP 2.8UP 3.8 UP
x01H
4
3 5
2 6
1.9 ZP 2.9ZP 3.9 ZP
1 7
0 8
F 9
A
E
D
B
C
ERR1
UP 24VDC 100W
Safety Digital Input 24VDC
Safety Digital Output 24VDC 0.5A
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
DX581-S
4.0I4
4.1I5
4.2I6
4.3I7
4.4O4
4.5O5
4.6O6
4.7O7
4.8UP
4.9ZP
ERR2
8SDI 8SDO
Readback contact
(with or without)
4.0
4.1
4.2
4.3
4.4
4.5
K1
4.6
4.7
4.8
K2
4.9
121