1
OVERVIEW
1.1 Features
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OV
ER
VIE
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SYS
TEM
CONFIGURA
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ON
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GENE
RA
L
S
PECIFICA
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CP
U MODUL
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P
O
WE
R
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PP
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MODUL
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BAS
E U
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IT
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B
A
TTE
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CP
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TAR
T-
UP
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OCED
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1.1 Features
The QS series CPU module has the following new features:
(1) Safety PLC system can be constructed
The QS series programmable controllers have obtained the highest safety level
(IEC61508 SIL3, EN954-1/ISO13849-1 Category 4, IEC62061) applicable to
programmable controllers.
* 1 : The available functions vary depending on the versions. For details, refer to Appendix 2.
Figure 1.1 Safety PLC system
CC-Link Safety
CC-Link Safety remote I/O station
Standard remote I/O station
Standard Remote device station
CC-Link Safety
remote I/O station
CC-Link Safety
remote I/O station
Power supply/CPU/CC-Link Safety master module
GX Developer
(Version 8.40S or later)*1
Emergency stop switch
Light curtain
Emergency stop switch
Safety relay