© Siemens AG 2011
Control center
SIMATIC PCS 7 TeleControl
TIM
Ethernet
DSL router
Firewall
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SCALANCE | router | Firewall |
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S612/613 |
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RTU
RTU
931WXQQHO
Internet
Firewall
DSL router
SCALANCE
S612/613
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Star via
Internet
PCS7_XX_00265
TIM | TIM | TIM |
SINAUT ST7 - example of secure
Redundant transmission path: |
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classic WAN + classic WAN |
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| Control center |
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| SIMATIC PCS 7 TeleControl |
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| SIMATIC PCS 7 TeleControl | ||||
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| Ethernet |
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G_
Radio network
RTU
InternetSCALANCE
S612/613
DSL router
Dedicated line
GPRS
network
RTU
Dedicated line
Path
redundancy,
2 media
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TIM |
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Advanced |
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SINAUT ST7 - example of redundant telecontrol connections
G_PCS7_XX_00266
TCP/IP-based WAN media
•Special radio network optimized for Ethernet, e.g. with SCALANCE W industrial wireless LAN components
•SCALANCE X switches with optical ports and
•Public network and Internet via DSL or GPRS
•Broadband system such as OTN, PCM30, etc.
To achieve redundant data transmission, it is also possible to connect an outstation via two transmission paths to the con- trol center in the SIMATIC PCS7 process control system or to a node station. It is irrelevant whether the two paths are of the same type or different, e.g. dedicated line with telephone net- work/ISDN and GPRS.