ABB AC500-S Safety User Manual page 125
Safety programmable logic controllers system
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Also See for AC500-S:
- Safety user manual (404 pages) ,
- Application note (24 pages) ,
- System manual (119 pages)
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Transistor input (2-channel)
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. 47: Circuit example DX581-S, Transistor input (2-channel)
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)
3)
- With 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 = Medium
30.03.2017
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
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
AC500-S Safety Modules
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
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)
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
E1
Control input
E2
2-channel,
e.g. Drive
GND
125
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