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Unrestricted / © Siemens 2019. All rights reserved
Introduction to
Control Engineering
at Power Plants
Lesson 2
Unrestricted / © Siemens 2019. All rights reserved
6 – Distributed Control Systems (DCS)Architecture
Page 2
User Interfaces
Server
Process Interfaces
Thin Clients
I/O Devices
Application Server
Automation Server
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6 – Distributed Control Systems (DCS)Configuration
Page 3
Application Highway
Automation Highway
Thin Clients
Application Server
Automation Server
I/O systems and Intelligent field devices
CommunicationServer
Time Server
Security Server
Terminal Server
Intranet / Internet
Automation Server
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6 – Distributed Control Systems (DCS)Features
Page 4
Reliable
Easy to use
Cyber secure
Scalable
Platform for more
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6 – Distributed Control Systems (DCS)Features - Reliable
Page 5
Application Highway
Automation Highway
Thin Clients
Application Server
Automation Server
I/O systems and Intelligent field devices
CommunicationServer
Time Server
Security Server
Terminal Server
Intranet / Internet
Automation Server
Process Interfaces
I/O system with redundant
interface module and I/O modules
Networks
Fault tolerant Ethernet NetworkRedundant PROFIBUS DP and PROFINET field bus
User Interfaces
Multiple Thin Clients, parallel operation
Servers
Redundant Application Server
Redundant Automation Servers
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6 – Distributed Control Systems (DCS)Features - Easy to use
Page 6
All tasks available in the same window
All information is available at a glance
Quick and easy navigation between all views
Diagnostic View
Project ViewOperation
Trends
Reports
Engineering
All data and information available from a single source
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6 – Distributed Control Systems (DCS)Features – Cyber secure
Page 7
Configuration Change Monitoring –
detects security gaps and provides
transparency
Security Event Monitoring –
comprehensive information about
the security status
Application Whitelisting –
protection of secure plant operation
+
+
Malware Protection – protects
Windows-based computers against
malware
+
Siemens Remote Services
Firewall
PublicNetwork
Firewall
VPNRouter Terminal-
Server
VPNTunnel
IT OfficeInfrast.
ServiceInfrast.
DMZ
IntranetInternet
Customer Office Network
Application Highway
Automation Highway
Thin Clients
Application-Server
Automation-Server
Security Server
SPPA-T3000
Secure Remote Access –
separated by two firewalls
Hardening – enhanced system
protection for components
Account Management –
enforcement of password policy
Security Patch Management –
maintain the highest security level
Network Intrusion Detection
System (NIDS) – identification and
localization of potential attackers
+
+
+
+
+
+
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6 – Distributed Control Systems (DCS)Features – Scalable
Page 8
red
un
dan
t
no
n-r
ed
un
da
nt
Redundant
Application
Server
Thin Client:
up to 35
Automation
Server: up to 60
I/O Signals: max.
40.000
Non-redundant
Application
Server
Thin Client: 5
Automation Server:
up to 3
I/O-Signals: 5.000
local compact
Application Server
Thin Client:
1 integrated + 4 ext.
Automation Server:
up to 4
I/O-Signals:
max. 4.000
Compact Automation and
Application Server
Thin Client:
1 integrated + 1 ext.
Automation Server:
1 integr.
I/O-Signals:
max. 800
AS3000
lcApS3000
cAApS3000
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6 – Distributed Control Systems (DCS)Features – Platform for more
Data Sources
DCS in the
Power Plant
Data &
Security
Gateway
Firewall
Application
Servers
Terminal Server VPN
Router
Data
Agent
Digitalization
Analytics Platform
Data
Management
Data
Analytics
Result
Data Base
Analytics
Data Center (in
the cloud)
Automatic
Transfer
Manual
Upload
Raw Data
Lake
Benefits
Availability increase
Profitability
optimization
Compliance assurance
Results
visualization
Customer Portal
Digitalization with
secure transfer of
all relevant data
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6 – Distributed Control Systems (DCS)Workbench
Page 10
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6 – Distributed Control Systems (DCS)Servers and Clients
Page 11
Non - Redundant
Application Server
Local compact Application Server
+ Automation Server
(integrated Thin Client,
Terminal Server and Time
Server)
Compact Automation,
Application and Terminal Server
(integrated Thin Client,
Terminal Server and
Automation Server)Thin Clientand Monitors
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6 – Distributed Control Systems (DCS)Automation Servers and Time Servers
Page 12
Time Server and Antenna Automation Server
Automation Serveror
Communication Server
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6 – Distributed Control Systems (DCS)I/O Racks
Page 13
Mounting Rail
Bus
Adapter
Interface
Module
Carrier
module for IM
Plug-in connector
for Power supply
Carrier module
for I/O module
(behind I/O and
Terminal Block)
Server module
I/O module
Terminal Blocks
Powerbus cover
I/O Rack
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6 – Distributed Control Systems (DCS)Switches and Routers
Page 14
100 Mbit/s network switches
1 Gbit/s network switches
Media modules
Multi unit routers
Service router
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6 – Distributed Control Systems (DCS)Multi unit configuration
Page 15
unit 2 unit 10unit 1
Mulit Unit Routers
Uniform HMI over the units
....
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6 – Distributed Control Systems (DCS)Configuration with 3rd party communication interfaces
Page 16
Application Highway
Automation Highway
Thin Clients
Application Server
Automation Server
I/O systems and Intelligent field devicesGE GSM
DNP 3.0
TCP / serial
IEC
60870-5-101/104
IEC 61850
Modbus
TCP / serial
OPC Connect
SPPA-T2000
TELEPERM ME
CS275
S7
PCS7
Allen
Bradley
3rd party
S5 / S7
OPC
CommunicationServer
Time Server
Security Server
Terminal Server
Intranet / Internet
Black Box
S7
Automation Server
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7 - Cabinet StructureFrame (Overview)
Page 17
Automation servers
Power supplies
Fuses (Circuit breakers)
Distribution terminals
Relays and others
I/O modules
I/O modules
Marshalling terminals
(For field cables)
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7 - Cabinet StructureFrame (Screen connection)
Page 18
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7 - Cabinet StructureFrame (Seismic design)
Page 19
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7 - Cabinet StructureEnclosure (Overview)
Page 20
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7 - Cabinet StructureEnclosure (Ingress Protection)
Page 21
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7 - Cabinet StructureEnclosure (Cooling, heating and other peripherals)
Page 22
1- Fan&filter (cooling)
2- Air conditioning (cooling)
3-Convection heater
4-Fan heater
5-Thermostat
1
2
3 4
5
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7 - Cabinet StructurePower supply (24VDC & 230VAC)
Page 23
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7 - Cabinet StructurePower supply (24VDC & 230VAC)
Page 24
Diode Module (Redundancy Module)24VDC Power SupplyCircuit Breaker
Infeed Terminals
Distribution
Terminals
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7 - Cabinet StructureCabinet monitoring
Page 25
Circuit Breaker Thermostat (left) & Hygrostat (right)
Door Limit Switch Cabinet Fault Indicator Emergency Stop Button
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7 - Cabinet StructureI/O rack & Modules
Page 26
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7 - Cabinet Structure
I/O field interfaces (Terminals)
Page 27
Terminals Support Plate
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7 - Cabinet StructureAutomation servers (S7-400 Series)
Page 28
1- Backplane rack
2- Power supply
3- Synchronization Modules
4- Fiber optic cables (for item-3)
5- CPU
6- Memory card
7- Communication processor
1
2 2
3 3
3 3
5 5 77
6 6
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7 - Cabinet StructureAutomation servers (AS3000 & CS3000)
Page 29
1- Backplane rack
2- Power supply connectors
3- CPU
4- Communicaton processor (PB)
5- LAN connectors
1
2
2
3 3 4 4
5
5
AS3000: Automation server
CS3000: Communication server for 3rd party communication
Both of them has similar structure as shown above.
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7 - Cabinet StructureNetwork components (Ethernet)
Page 30
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7 - Cabinet StructureNetwork components (Ethernet)
Page 31
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7 - Cabinet StructureNetwork components (Profibus)
Page 32
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7 - Cabinet StructureColor code and labeling
Page 33
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8 - Cabinet TypesServer & LAN
Page 34
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8 - Cabinet TypesI/O Cabinet
Page 35
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8 - Cabinet TypesRelay & Interface
Page 36
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8 - Cabinet TypesControl desk (Obsolete system)
Page 37
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8 - Cabinet TypesJunction box
Page 38
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Page 39
Thank you