1. Data Acquisition Process Communication Unit PCU400
Network Manager
Data Acquisition Process Communication Unit PCU400

2. Network Manager - Data Acquisition
Facilitates Real-time Supervisory Control of
Power Stations
Substations
Key information points in a distributed power network
Development of Process Communication
Interfacing RTUs, SA- and IED-systems
Use of standardized protocols; WAN instead of leased line to the station
Deregulation leads to need for flexibility and versatility
IT-security
Data Communications
Redundant Solutions
Enterprise Wide
PCU400 is the solution for Network Manager

3. PCU400 as Front-End to Network Manager
Application
Servers
Can be distributed
over WAN
RSP protocol over
Ethernet LAN or WAN
Functions:
Front-End for Network Manager
RSP protocol to Application Servers (AS)
Down line loading of database from AS
1–24 multi-drop lines to RTUs
Protocol configurable per line
Various communication media
Distributed configuration is supported
Redundancy
PCU400
Available RTU protocols NG WT ZG 1 15
RTU or
SCS system

4. PCU400 Distributed Functionality
The Data Acquisition System is distributed in two software components:
RCS Application
Supervision of PCU connection via TCP/IP comports
Handling of line switchover
Handling of redundant lines
Interfaces the SCADA application
Communication statistics
Handling of telephone connections and modem pools
Scaling of measurands
RSP Master
Database loading
PCU400
Protocol translation
Time synchronization
RSP slave
RCS Application
PCU400

5. PCU400 in Network Manager Main Server A Main Server B
Other Applications
Other Applications
Real-time
Database
(Avanti)
Real-time
Database
(Avanti)
RCS Application
RCS Application
LAN or WAN
RSP Links
PCU400 A
PCU400 B
RTU lines

6. PCU400 Mainframe Industrial PC Chassis or Desktop
PCI slot, half or full length
Hard disc or Flash memory (embedded)
CDRW-device
Intel Pentium 4 compatible CPU
Minimum 256Mb Memory
Redundant Ethernet ports for Dual-LAN
Ethernet port for Communication Modules
Graphic card
Wall or 19” Rack-mount
PCU400 embedded version is without moving parts

7. PCU400 Embedded Connectors available Parallell port PS2 keyboard/mouse
USB 2 ports
VGA
COM1 and COM2
Powered by 24 V DC
Ethernet to Host
Optional 2 Ethernet and 4 COM ports

8. PCU400 Embedded - specification
H6023-based (Hectronic), CPU is Geode GX1-300, 300MHz
2 - 6 COM, Ethernet
RAM 256MB
CompactFlash 256 MB - 1GB
Power 7-28V DC
Temperature range +5ºC to 45ºC
Size is about 220mm x 110mm x 77mm
Operating System Windows XP embedded
Option 1) Extended temperature range -40ºC to 80ºC
Option 2) Two additional Ethernet interfaces plus four additional COM-ports With option 2 included a complete 6 channel PCU400 with redundant LANs is realized. A third Ethernet interface extends with more COM-ports using the OCC2 Communication HUB.

9. PCU400 Communication Module
8 channels per unit, max 8 units per CPU (=64 channels)
64 kbps per channel in parallel
Byte and Bit-sampling
Protocol support for Indactic33, Sinaut8, ADLP80 and asynchronous
Ethernet connection to PCU mainframe, allows distribution
DIN-mounted
DC powered

10. PCU400 Communication Functionality
Asynchronous UART communication (speed 50 – bps)
Bit synchronous communication (bit sampling 50 – 4800 bps)
Dial-up (phone) Low level driver support of Hayes commands used with RP570
RS232 (control signals supported)
LAN (single, dual), NetRAIN – Redundant Array of Independent Network adaptors (two interfaces appears using the same IP-address)
Security arrangement same as the operating system

11. Communication Lines in Network Manager
Database - Object level
Line Pool # 1 = COM-line 1
Line Pool A B
Line Unit #1 A B
Line Unit #2 A B
Line Unit #x
Line Unit #1
Line Unit #2
Line Unit #3
Hardware level
LAN or WAN
PCU # 1
Each Line Unit side is connected to a PCU number
The PCU can be distributed
Each RTU belongs to one Line Pool
Line switch only if redundant PCUs
Ch. 1A
Ch. 2A
Ch. xA
Ch. 1B
Ch. 2B
Ch. xB
PCU # 2
Line Switch
Line 1, to RTU

12. Standard protocols (used in most projects)
IEC
ABB RP570 (use is decreasing)
IEC (use is increasing)

13. PCU400 Implemented protocols
Slave Protocols
Master Protocols
Master Protocols cont´d
IEC
TG709
IEC
TG065
ADLP180
ADLP80
USART
RP570
SINAUT 8 FW (DPDM)
Teleconnect III
RP570/571
Indactic 35
DNP 3.0
Indactic 33,33/41A
WISP
OPC server
Indactic 2033
WISP+
Conitel 300
MODBUS RTU
Netcon 8830
Field Buses
TG800
HNZ
LON
Teleconnect II
SPA-bus
Mobitex
ECMA 24
GCOM
Siemens ST1
DDE and OPC client

14. PCU400 Hardware Assembly Ethernet HUB External or Internal
Ethernet
HUB
External or Internal

15. PCU400 Line Switch Line Switch 1 RTU line per unit
Speed up to 115 kbps
Connection to A and B system
Test connector for line analyzer
DIN-mounted
Redundant power input
Galvanic isolated B-side

16. Application Program Interface (API) for Openess
APIs gives flexibility to integrate protocol libraries
PCU400 optionally provides
A DDE interface
An OPC-client interface
An interface from ASE (USA-based company)
ABB will add more APIs
PCU400 users may add protocols using:
DDE
OPC
ASE
Toolkit

17. Schematic of Software Interfaces
Control Center Communication
FTP/HD
RSP
Plug-In
Slave
RSP bus
XML
Plug-In
DDE
OPC
Master
3rd party
LON
3rd party
Engineering Tool
(MS Excel)
Process Equipment Communication

18. Operators Interface (device control)
Device in/out of service, status
Device restart
Redundant RTU line switching (active/passive)
Line unit switch (online/standby)
Communication statistics (4 counters)
Block/Deblock points

19. View and Test web-interface (option)
Commissioning of PCU400
Test of database – I/O
Test of IED equipment

20. Local Control web-interface (option)
System overview
Station overview
Control
Event & Alarm list
Parameter Setting
Fault Distance Rec.
Station Overview

21. Data Acquisition, Security5
Application Server A
Application Server B 4
RCS Application A
RCS Application B
LAN 1 2
LAN 2
RSP lines
Redundant PCUs
Dual LAN
Line Unit, A and B side
Logging between RCS applications in a redundant system
Logging between Application Servers
… Connection if dual LANs
PCU400 A 1
PCU400 B 3 3
RTU lines
Line switch
RTU

22. RCS Application, Time Synchronization
Time base
Application Server A
RCS Application
ASCII-string
Minute
pulses
Cyclic broadcast message (TSIL)
(Y, M, D ,h, min, sec)
PCU400
Time messages sent to RTU

23. PCU400, Time synchronization
Clock Server
Minute pulse
PCU 400
Protocol
Driver
Time fetch via DLL
Write the Time message to com board
Write number of tics until sending should occur
Dual ported memory
Communication Board
Time message
Free running counter
The board stops transmission until the tics are executed. Then sending occurs

24. PCU400 as Gateway for SA and SCADA systems
Remote Master Systems
Functions:
Data Gateway/Concentrator
Web-interface
Local Station Control
Local configuration via MS Excel
Allow connection to existing systems
E.g. IEC
Configuration Tool
WEB-interface
Local Control
REC 561
REL 5x1 NG WT ZG 1 15
RTU or Protection relay

25. PCU400 SA & SCADA Connectivity
PLC Connect
Network Manager
Operate IT
Industrial IT
Medium Level
High Level
Base Level
XML
OPC
RSP
TCP/IP
LON
RTU protocol
WEB-Interface NG WT ZG 1 15
REC 561
REL 5x1
PCU400 Gateway
RTU

26. PCU400 as Converter Functions:
Remote
Master System
Functions:
Connection of new RTU to old Master System
Connection of old RTUs to new Master System
One line to RTUs / Protection relays
Redundant lines to the Master system
Media converter (dial-up to leased line)
Local configuration
E.g. IEC
Configuration Tool
Example
Connection of an RTU211 to an IEC network by using the PCU400 embedded.
E.g. RP570 NG WT ZG 1 15
RTU or
SA system

27. OPC400 Server API-Data Access 2.0 (DA) API-Alarm and Event (AE)
All protocols will be available through the OPC-server
OPC Client also available
Control Center Communication
FTP/HD
OPC DA
OPC AE
Slave
RSP bus
XML
Plug-In
DDE
OPC
Master
Protocol
3rd part
LON
3rd
EXCEL
Engineering Tool
Process Equipment Communication

28. PCU400 Data Engineering Local in PCU
COM-port definitions
Protocol per line (and characteristics)
Socket TCP/IP address and port
Runtime database Loaded via RSP or XML
Loaded per line from RCS Application (or via PCU400 internal X05 in case of XML)
Which RTUs on which lines
I/O for each RTU (logical and possibly physical)

29. PCU400 Data flow - SCADA PCU 400 Power System data
SCADA Servers
Data Engineering Tool
Loading over LAN/WAN using RSP protocol
File transfer to RTU if supported
PCU 400 NG WT ZG 1 15

30. PCU400 Data flow - Gateway Power System data XML-files PCU 400
Configuration Tool
MS Excel based
PCU 400 NG WT ZG 1 15

31. Definitions in the PCU400 system
Basic configuration of the PCU400
COM port
COM line
- Line unit
- TCP/IP port
- RSP address
PCU 400

32. TCP/IP port and Comport
LAN
The specification of the comport is done in the files linunit.ini and lu_xxx.ini
Following items defines the COM-port
COM-port number (1-255)
TCP-port (Socket connection to the PCU SW)
Socket connection (TCP-port)
PCU
Software
PCU
Comport #1
RTU

33. Database Objects Process Communication Unit (PCU)
Communication line (group of physical lines)
Line unit (physical line)
RTU
Scan group
Data types (AMV/DMV, IND, CMD, ACC, REG, SPV, GOM)

34. RSP Address Each Line Unit is assigned to a RSP address
The RSP address is unique within the Comport
The RSP address is the same for Line Unit A & B side
Every node in a RCS system must have an address
The RSP address is within range Typically the following intervals applies:
[1..127] RTU lines
[ ] Emulator lines
[ ] Master Lines
Frame type
Datatype
Length
Sequence number
Source line number
Destination line number
RTU number

35. Parameters in PCU400 PCU400 Application Server
4) PCU general parameters
RCS400.INI
H99_INP.TXT
H00.INI
LINEUNIT.INI
3) Definition of lines and protocols
SW bus (RSP)
2) General protocol settings
H20.INI
H14.INI
LU001.INI
LU002.INI
1) Line specific parameters, e.g., comport
RP570 RTU’s
Indactic33 RTU’s

36. Logging tools Data traffic can be logged from
Local interface in Windows
Remote from a Telnet session via modem or network
Logging per communication channel
Logging of RSP traffic per PCU

37. PCU400 Installation The PCU400 SW is installed from CD
Installation Wizard
Manual configuration of protocols and line data
Upgrade possible from CD or via network
Remote upgrade important in distributed systems

38. PCU400 Development tool Standard software
Microsoft Development Studio 6.0
Language C and C++
Visual Source Safe
PC based
Portable for site assistance

39. PCU400, Protocol layers Medialayer Linklayer Application RSP
Basic Functions
ABB Toolkit
3rd part interface
Medialayer
Linklayer
Application
RSP
Medialayer
Linklayer
Application
RSP
RSP
OPC client
3rd party
OPC server

40. PCU400 Main Software Components
Windows XP
WIN32
NT-Driver OCC / TCP-IP
Supervisor
Watchdog
DCU
Control Agent
Remote config
and logging
Trap Manager
Saving of Traps
to HD
Clock Server