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  • Issued: June 2009Substation Automation ProductsIntroduction The communication gateway COM581 is used to link a substation automation sys-tem to a control system at a higher level and protection equipment to the substa-tion automation system. The unit's modu-lar design enables it to be configured to

    fulfil the communication requirements of a particular application (physical interfaces, protocols etc.). It features a parallel archi-tecture capable of multi-protocol process-ing.

    User benefits Independent gateway Long life span due to robust industrial hard-

    Redundant power supply

    Open for third-party devices

    Communication gatewayCOM581Power and productivityfor a better world TM

    ware

    No rotating materials, no fans required

    Less maintenance and support required

    Multiple protocol conversion because of modular construction

    Flexible and simply configurable

    Large number of signals

    Uses international standard protocols- IEC 61850, client- IEC 61850, server (Proxy)- LON, client/server- IEC 60870-5-101, slave- IEC 60870-5-103, master- IEC 60870-5-104, server (point-to-point)- RP570/RP571, slave- DNP 3.0, slave- DNP 3.0, master

    Main features Application High and medium-voltage substations

    New substations or modernization of existing substations

    For installation in cubicles

    Functions Linking a substation automation system to

    a higher level control system (power sys-tem control)

    Linking the substation automation system to the local switchgear control system

    Linking protection equipment to the substa-tion automation system

    Protocol conversion

    Data marshalling and distribution

    Data concentration

    Common functions (e.g. collective alarm, communication monitoring)

    1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Main features (contd) Self-monitoring Continuous self-monitoring with system

    status signaled via interbay bus or any remote control protocol

    Line supervision, connected device super-vision, power supply supervision

    Serial/Ethernet interfaces Optical connector on the front for system

    maintenance

    Electrical serial interfaces on the back for protocols

    Electrical/optical Ethernet interfaces on the back for protocols

    Optical LON/IEC 60870-5-103 interface on the back for protocols

    Front plate signals LCD display with 3 LEDs and 4 lines of text

    Modular design Multiple processor architecture

    Configurable communication interfaces

    Designed to have more than one NCC pro-tocol and more than one interbay bus run-ning simultaneously

    Application The gateway COM581 is used as a gateway and data concentrator in a substation automa-tion system. Apart from protocol conversion, the unit marshals data for transfer to higher level control systems (power system control), to other substations and to protection and control equipment. COM581 is a component of the ABB series of high and medium-volt-age substation automation devices.

    Because of its modular design, COM581 sup-ports multiple communication interfaces and protocols. Provision is made for exchanging data with several network control centers via different telecontrol channels according to IEC 60870-5-101, RP571 or DNP 3.0 etc. In addition to conventional telecontrol commu-nication channels, modern powerful LANs are supported, e.g. IEC 60870-5-104.

    The bay control units and protection devices communicate via an interbay bus utilizing either LON or IEC 61850 communication protocol. The integration of third-party pro-tection equipment is done via the interna-tional standards IEC 60870-5-103 or IEC 61850.

    Apart from protocol conversion, COM581 also performs system functions at station level such as the concentration of individual alarms to a sum alarm.

    The modularity of the device is based on the type and number of communication protocols and the physical interfaces, the number of power supply boards (redundancy) and the number of processor boards.

    Design The gateway COM581 is an integral part of the ABB substation automation system. Its hardware and software are based on the numerical busbar protection REB500.

    Figure 1 shows the integration of COM581 in an ABB automation system. One COM581 is used for the link to the substation automation system. The other COM581 is used to inter-face to third-party protection schemes. ABB protection devices are connected directly to the interbay bus via the LON interface.

    Figure 2 shows a redundant COM581 in an ABB substation automation system. Here the the bay units are integrated with the IEC 61850 protocol. The redundant COM581 units are operated in the hot-hot configura-tion. This means that the data from the pro-cess are equally treated by both COM581 and sent to the NCCs via both COM581.Page 2 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Fig. 1 Integration of bay units in the general layout via IEC 61850

    Fig. 2 Integration of bay units in the general layout via LON bus

    Protocols IEC 60870-5-101 is a serial protocol for connection to the Network Control Center (NCC). The protocol is a companion stan-dard of the IEC 60870-5 series of commu-nication standards. It is available as slave protocol in the COM581 and may be oper-ated in either the balanced or unbalanced link mode. The balanced mode can be used

    IEC 60870-5-104 (point-to-point) is the networked version of the companion stan-dard IEC 60870-5-101. IEC 60870-5-104 uses the TCP/IP (Transmission Control Protocol / Internet Protocol) transport layer. The COM581 is able to implement the server functionality of IEC 60870-5-104 as point-to-point link.

    Station HMI

    IEC 61850

    GPS

    Time serverSNTPSwitch Switch

    Switch Switch Switch

    NCC

    COM581

    NCC

    COM581

    Client

    Third-party protection

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    COM581 IEC 60870-5-103

    Server

    LON

    ABB control and protection

    ClientDNP 3.0 MasterDNP 3.0 Master

    ABB control and protection Third-party protection

    Connection to remote centers e.g.IEC 60870-5-101, DN P3.0 or RP570/RP571TG809

    External clock

    CMGPS

    Optical LON bus

    Optical LON bus

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    91011121314151612345678

    cc cc

    910111213141516910111213141516

    IEC 60870-5-103

    Star coupler

    Station PC

    COM581

    COM581

    Client1MRB520206-Ben Page 3

    for serial connections with up to 64 kbps.

  • Substation Automation Products

    COM581

    Communication gateway

    IEC 60870-5-103 is a monitoring interface for the connection of protection equip-ment. The interface supports three main categories of data exchange: public signal, disturbance data and generic services. The COM581 is able to handle the entire range of data exchange and in addition also sup-ports privately agreed upon address ranges. In the case of the disturbance data and generic service, the COM581 acts as transparent gateway and it is up to the con-nected client on the station or network control level to implement the services.

    RP570/RP571 is an ABB serial protocol used for connection to NCC or Micro-SCADA equipment. The protocol is based on the IEC 60870-5 link layer definition. The COM581 implements the slave part of the RP570/RP571.

    DNP 3.0 is a serial protocol for connection to NCC. The protocol is based on theIEC 60870-5 link layer definitions. This protocol, which is an open, intelligent, robust and efficient SCADA protocol and whose owner is the DNP 3.0 user group, has gained worldwide acceptance. COM581 implements the slave and master part of the DNP 3.0 for the serial link. COM581 supports the level 2 fully and also some features of level 3.

    LON is a protocol defined by Echelon Corporation. ABB uses the LON protocol as connection between bay units and sta-tion level equipment (interbay bus or sta-tion bus). For the secure transport, in order to accommodate the requirements of Sub-station Automation in general, ABB has defined its own transport, session and application layers. ABB LON devices and the LON-SPA-gateway (LSG) are sup-ported. In addition the Eberle tap changers will be supported.

    IEC 61850 - communication within the substation. The goal of IEC 61850 is interoperability, i.e. the ability of IEDs from one or several manufacturers to exchange information and use the informa-tion for their own functions. The approach of IEC 61850 is to decompose all func-tions into smallest objects (Logical Node, LN), which communicate with each other. These LNs are objects, which contain all data to be exchanged according to stan-dardized services. This SA domain-spe-cific application model (data, services) is mapped to a mainstream communication stack comprising MMS, TCP/IP and Ethernet. Data are exchanged via client-server relations. COM581 supports the client and server functionality.

    Performancedata / Limita-tions

    IEC 60870-5-101 2 serial lines per CPU(1 x synchronous and 1 x asynchronous or 2 x asynchronous protocol)

    IEC 60870-5-103 4 serial lines per CPU, 10 protection devices per serial line(IEC 60870-5-103 application)There are a total of 40 protection devices per IEC 60870-5-103 CPU able to be connected

    IEC 60870-5-104 point-to-point connection IEC 61850 60 IEC 61850 devices per CPU

    up to 4 IEC61850 CPUs per COM581 LON 35 LON devices per CPU (LON application)

    up to 4 LON CPUs per COM581 LSG 30 LSG devices per CPU (LON application) SPA 8 SPA devices per LSG Eberle tap changers 8 devices per CPU (LON application)General COM581 limitations: The max. number of CPUs is 9 for one COM581. The min. number of CPUs is 1. The IEC 60870-5-101 CPU allows the handling of 2 IEC 60870-5-101 applications (serial

    lines) on one CPU (1 x synchronous and 1 x asynchronous or 2 x asynchronous). For SRP the two connections from the COM581 CPU to the Ethernet switches must be either

    both electrical or both optical. Mixed mode is not supported.Page 4 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Generalfeatures

    Starting with release 6.20 it is possible to run two protocols on the same CPU. In general it is possible to select one time each protocol.

    The following table shows the possible com-binations for 2 protocols on the same CPU card for the release 6.30:

    Single = only single protocol on the CPU possibleyes = 2 protocols on the same CPU possibleno = combination not possible

    Table 1: Possible combinations for 2 protocols on the same CPU

    Hot - standby features

    Redundant COM581 configurationThe following section shows the different variants for a redundant COM581 configura-tion:

    Variant 1:COM581 in hot-hot configurationIn this configuration the NCC is polling both communication lines at the same time and both COM581 are working in a hot-hot con-figuration. All data will be sent twice to the NCC and the NCC has to handle the dupli-cated events. The NCC can supervise both communication lines.

    Fig. 3 Hot-hot configuration

    Variant 2:COM581 in hot-standby configurationIn this configuration the NCC is polling only one communication line and the other com-munication line is not polled. One COM581 is working in a hot- and the other is working in standby configuration. On the standby COM581 it's allowed to send test link to supervise the communication line.

    The NCC can force a switch over from hot to standby by polling the standby communica-tion line. Test link on the standby line is allowed to check the availability. The standby COM581 can delete the event queues to avoid too many duplicated events, this time for deleting the event queues is configurable in the CAP581. During switchover from hot to standby a small number of double events are allowed.

    LON

    IEC

    6185

    0

    IEC

    6087

    0-5-

    103

    IEC

    6087

    0-5-

    101

    IEC

    6087

    0-5-

    104

    DN

    P 3.

    0 Sl

    ave

    DN

    P 3.

    0 M

    aste

    r

    RP5

    70/5

    71

    LO N no y es y es y es y es y es y es S ing leIEC6 1 8 5 0 y es no y es y es y es y es y es S ing leIEC6 0 8 7 0 -5 -1 0 3 y es y es y es y es y es y es y es Sing leIEC6 0 8 7 0 -5 -1 0 1 y es y es y es y es y es y es y es Sing leIEC6 0 8 7 0 -5 -1 0 4 y es y es y es y es no y es y es Sing leDNP 3 .0 S la ve y es y es y es y es y es no y es Sing leDNP 3 .0 M a s te r y es y es y es y es y es y es no Sing leRP 5 7 0 /5 7 1 Sing le S ingle Sing le S ing le S ingle S ingle S ing le no

    Firs t P rotoc ol

    Seco

    nd P

    roto

    col1MRB520206-Ben Page 5

  • Substation Automation Products

    COM581

    Communication gateway

    Fig. 4 Hot-standby configuration

    Variant 3:COM581 in hot-standby configuration (with additional link between both COM581)With an additional connection between two COM581 it is possible to run a hot-standby configuration. In the standby mode the serial interfaces will be switched off.

    An error in one COM581 (e.g. CPU or power supply failure) will force a switch over from the hot to the standby COM581.

    The COM581 will guarantee that events are not lost during a switch over, but a small number of double event are allowed.

    Fig. 5 Hot-standby configuration with additional link

    IEC 61850 features

    The COM581 supports the IEC61850 clients as well as the IEC61850 server feature. The IEC61850 client is required to fulfil the gate-way feature within as system. The server will be used for the COM581 Proxy. The

    COM581 Proxy will be used for the integra-tion of protection devices via the IEC60870-5-103 protocol and distributes the data on IEC61850.

    SRP - Serial Redundancy Protocol

    Serial Redundancy Protocol is intended for connecting COM581 via two interfaces to a ring of RSTP (Rapid Spanning Tree Protocol) Ethernet switches.Only one of the interfaces is forwarding and

    the other is in a silence mode. There is a switch over time of around 10 seconds.SRP is useful to increase the availability on the station level devices by connecting the COM581 to two different Ethernet switches.Page 6 1MRB520206-Ben

    Fig. 6 COM581 with two interfaces to a ring of RSTP Ethernet switches

  • Substation Automation Products

    COM581

    Communication gateway

    In a distributed system architecture with MicroSCADA Pro and COM581 it is neces-sary to communicate between station HMI (MicroSCADA) and gateway (COM581) to

    deal with the Command Authority. Either the Command Authority is on station level (MicroSCADA Pro) or on NCC level.

    Fig. 7 Command Authority handling

    This Command Authority handling can be configured in two modes:

    Command Authority handling generally per gateway

    Command Authority handling individually per bay

    Following other features are implemented in COM581 to support this distributed system architecture

    Supervision between MicroSCADA and COM581

    Double command blocking on the IEC61850 bus

    Several IEC61850 segments on one COM581

    Functions The main tasks performed by the gateway COM581 are protocol conversion and data marshalling. Protocol conversion comprises a series of sub-tasks that are described briefly below.

    Dynamic (external and internal) protocol handlingA communication protocol consists of a sequence of actions and reactions structured according to the ISO/OSI 7 data exchange layer model. Dynamic protocol handling con-cerns both external communication, for example with the network control center, and internal communication between the various protocol functions in COM581. The units external response is determined by the proto-col being applied at the time. Examples of dynamic protocol handling are the scanning procedures of master/slave protocols.

    Format conversionThe different communications protocols gen-erally have different data formats that have to be transferred in both directions. In order to achieve the highest degree of modularity, COM581 first converts the data to a neutral internal format (based on the international

    standard IEC 60870-5-101) and then to the format of the specific target protocol. Since communication on the internal bus is also based on IEC 60870-5-101, the amount of conversion effort required is a minimum in cases where this standard, which is univer-sally applied by many manufacturers, is used for telecontrol communication as well.

    Address conversionNot only are the data formats of the various 1MRB520206-Ben Page 7

    protocols different, their address mapping is also different and has to be converted as well.

  • Substation Automation Products

    COM581

    Communication gateway

    Functions (contd) The addresses are thus similarly converted initially to a neutral address map before being converted to the address map of the target protocol.Marshalling and copying dataAn important aspect of multiple protocol applications with COM581 (e.g. communica-tion with several network control centers) is

    the proper marshalling of the data to be trans-ferred according to the appropriate target pro-tocols. This operation is based on the datas address in COM581. Multiple protocol appli-cations also involve duplicating or copying data.

    Fig. 8 Software configuration of the COM581

    Local operation of the gateway COM581 The simplest alternative of operating the unit is the local control panel on the front with a 4-line LCD with cursor control.

    The second alternative is to connect a PC to the optical interface also located on the local control panel on the front of the unit.

    The menu-guided operator program on the PC provides facility for:

    setting parameters loading application software

    The operator program CAP581 running on the PC connected to the gateway COM581 has been written so that little reference has to be made to operating instructions. This has been achieved by:

    an user-friendly menu-guided selection of functions using windows techniques

    the ability to create application software off-line and download it to the communi-cations unit afterwards

    The software architecture of COM581 can be seen from Fig. 8. The configuration data are stored in the data base system (DBS). The diagnostic subsystem (DIA) ensures that the applications are started up and shut down properly and also supervises the operation of COM581. The clock time of the LON/IEC 61850 station bus is used as time base.

    Protocol A Protocol B

    Protocol C

    Process status

    DBSDBS

    DBS

    DBS Data Base System (configuration)

    DIADIA

    DIA

    DIA DIAgnosis

    TIM

    TIM

    TIM

    TIM TIMe synchronisation

    MDP

    MDP

    MDP

    MDP Message DisPatcher

    Internal communication

    NCC NCCPage 8 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    CAP581 configuration tool for COM581

    The configuration tool CAP581 is required for configuring a gateway COM581.

    For each COM581, a database is generated running CAP581 which is then downloaded to the respective COM581. With the help of

    the DIS581 (Diagnostic and System Informa-tion Tool) the data base created on the PC can be loaded via a serial, optical interface (LMI) on the particular protocol converter COM581.

    Fig. 9 Principle of the engineering and configuration tool CAP581

    CAP581 is used for configuring the data communication interface (e.g. LON, IEC 101, RP571 etc.). The CAP581 configuration tool is utilized for setting the protocol parameters, data conversion, tables and marshalling tables. The data can be entered into data masks or imported from a signal list. Signal import via Excel list is supported.

    Parameter settings are documented in lists.The configuration operations are highly auto-mated. Existing configuration data for bay units can therefore be used as a basis for con-figuring new schemes. The internal COM581 addresses are also assigned fully automati-cally. The engineering and configuration of a COM581 scheme is also made more efficient by the assignment of default settings.

    Diagnostic The Diagnostic and System Information Tool (DIS581) provides a serial interface to the COM581. This enables the user to up- and download configuration data. Furthermore protocol information could be uploaded from

    the COM581 device. The tool provides the user with a testing environment as it supports the forcing and monitoring of signals to the NCC and station devices.

    3. Parameterization

    4. COM581 configuration fileMicrosoft Access Databasefor COM581

    5. DocumentationReports Signal lists

    2. Automatic data importExcel signal list for COM581

    1. SetupManual configuration,e.g. HW configuration, protocol configuration

    CAP581

    IEC61850

    System Configuration Description(SCD-File)1MRB520206-Ben Page 9

  • Substation Automation Products

    COM581

    Communication gateway

    Hardware The hardware structure of a COM581 gateway can be seen in Fig. 10. The internal VME bus enables protocol conversions to be performed in parallel on several CPUs.

    Fig. 10 Hardware configuration of the COM581

    The hardware of the communication gateway COM581 comprises boards that are selected and combined to perform the desired applica-tion:

    Processor and interface boards Local control board on the front of the unit Power supply board Electrical/optical converter

    Processor boards The processor boards contain essentially the processor unit with the various communica-tion interfaces. The identical CPU card (500CIM06) is used for all protocols. The control of the external communication inter-faces can be configured according to the par-

    ticular application (e.g. data exchange with the interbay bus according to LON, serial telecontrol according to IEC 60870-5-101 or data exchange according to IEC 60870-5-103). One processor also controls the front plate interface for the connection of a service PC.

    Local operation on the front of the unitA four-line LCD with a cursor is provided on the front of the unit for simple local control. The units parameters are set comfortably by connecting a PC to the front.

    CPU 500CIM06"

    Telecontrol interfaces

    VME-bus

    LON - Bus

    CPU 500CIM06"

    CPU 500CIM06"

    VME Versa Module Euroboard (standard back plane)500CIM06 Processor board for master and slave protocolsPage 10 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Display, controls and interfaces

    Fig. 11 shows the four-line LCD. It is used for the users interaction for e.g. displaying the soft-ware version, the error report and information such as the status of time synchronization.

    Fig. 11 Front view of COM581 showing the four-line LCD

    Legend:1 Green LED to indicate that the communi-

    cation unit COM581 is ready2 Yellow LED to indicate a setting error 3 Red LED: unused4 Four-line LCD for displaying system

    information in a series of windows5 Delete button for exiting the windows

    6 ENTER button for selecting windows7 Cursor buttons for navigating between

    windows8 Optical interface for connecting a service

    PC9 Additional 10 status LEDs reserved for

    future use

    9 8 7

    6

    5

    4

    1 2 31MRB520206-Ben Page 11

  • Substation Automation Products

    COM581

    Communication gateway

    Configuration

    Fig. 12 Configuration example of a COM581 with redundant power supply and 6 CPUs for communication as well as 3 star coupler boards for the connection of IEC 60870-5-103 devices

    Layout The housing accommodates 21 slots into which different boards, such as CPU board, star coupler board or power supply, can be inserted.

    Fig. 13 Available slots for CPU and star coupler boards (see protocol limitations on page 4)

    Slot: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

    CP

    U b

    oard

    : IE

    C 6

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    , LO

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    rdPage 12 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Power supply board 500PSM03The power supply board is a DC/DC con-verter with an output of 100 W.It can operate from all input voltages in a range from 36 V DC to 312 V DC without any switching.The tolerances of the rated output voltages of +5 V DC and 12 V DC are continuously mon-itored. Uninterrupted power in case of input power loss is maintained during a minimal time of 70 ms (at 100 W output power and Ui = 36 V). During the first 50 ms no VME bus signals are generated. After 50 ms the ACFAIL* signal is generated and all output voltages remain within specified limits for at least 20 ms.Provision is made for a second redundant power supply board on the right of the rack. The redundant power supplies are both active

    simultaneously i.e. no switchover time is nec-essary. Power distribution in the redundant mode is better than 35% / 65%.

    Processor board 500CIM06The application programs run on the proces-sor units (processor boards), see Fig 14. The same CPU board 500CIM06 is used for all protocols, and it is equipped with a powerful power PC processor. For LON communica-tion an ancillary board 500LBI02 is inserted.

    Star coupler board 500SCM02A star coupler board 500SCM02 converts the electrical signals to be transferred via the bus into optical signals. The board has five opti-cal transmitter/receiver pairs which are con-nected to the protection devices via optical fiber cables.

    Fig. 14 Processor board 500CIM06

    Opticalinterfacefor LON/IEC 103

    Serial 1: Serial protocol(synchronous/asynchronous)

    Serial 2: Serial protocol(asynchronous)

    Transmit/receive display(LON/IEC 103)

    OpticalEthernet LAN1

    ElectricalEthernet LAN1

    Configurablevia CAP581

    LON service pinReset pin

    LEDs not used

    OpticalEthernet LAN2

    ElectricalEthernet LAN2 Configurable

    via CAP5811MRB520206-Ben Page 13

  • Substation Automation Products

    COM581

    Communication gateway

    Technical data Table 2: Atmospheric environmentParameters Standard

    Temperature Operation -10 C to +55 C IEC 60255-6 (1988) / EN 60255-6 (1994)

    -10 C; 1 d

    +55 C; 1 d

    Storage and transport -40 C to +85 C; 1 d IEC 60255-6 (1988) / EN 60255-6 (1994)

    -25 C; 16 h IEC 60068-2-1(1990) / EN 60068-2-1 (1993)

    +70 C; 16 h IEC 60068-2-2 (1974) / EN 60068-2-2 (1994)

    Relative humidity 93%; +40 C; 4 d IEC 60068-2-3 (1984)

    Table 3: Mechanical environmentParameters Standard

    Vibration

    - Response 5 to 150 Hz; 0.5 gn IEC 60255-21-1 class 1 (1988) /EN 60255-21-1 (1996)

    IEEE 344-1987

    - Endurance 5 to 100 Hz; 1 gn IEC 60255-21-1 class 1 (1988) /EN 60255-21-1 (1996)

    - Seismic (SSE) 5 to 35 Hz; 2 gn IEC 60255-21-3 class x (1993) / EN 60255-21-3 (1995) / IEEE 344-1987

    Shock 15 gn; 11 ms IEC 60255-21-2 class 1 (1988) /

    shock / axis = 3 EN 60068-21-2 (1996)

    Bump 10 gn; 16 msshock / axis = 1000

    IEC 60255-21-2 class 1 (1988) /EN 60068-21-2 (1996)

    Table 4: Electrical environmentParameters Standard

    DC supply voltage 48 to 250 V DC, 25%

    DC ramp DC-rise up / DC-fall down:

    0% - 100%; 1 s / 10 s / 1 min100% - 0%; 1 s / 10 s / 1 min

    IEC 61000-4-11 (1994) /EN 61000-4-11 (1995)

    AC component (ripple) on DC >12% IEC 60255-11 (1997)

    DC interruption >50 ms IEC 60255-11 (1997)

    Clearance and creepage distance 4 mm IEC 60255-5 (1977) /IEC 60950 (1995) /EN 60950 (1995)

    Auxiliary supply 110 V DCPower consumption- operate condition

  • Substation Automation Products

    COM581

    Communication gateway

    Signaling relays

    Contact ratings - Max. operating voltage - Max. continuous rating - Max. make and carry for 0.5 s - Surge for 30 ms - Max. making power at 110 V DCBreaking capacity for L/R = 40 ms at U

  • Substation Automation Products

    COM581Technical data (contd)

    Communication gateway

    Table 7: Mechanical designDimensions (WxHxD) of each rack 483 x 266 x 235 mm

    Weight per rack(depends on boards inserted)

    max. 18 kg

    Panel cut-out see diagram

    Local control panel small control module:- 3 LEDs indicating system status- 6 buttons- LCD, 4 lines of 16 characters - Optical service interface

    Display language English

    Housing material aluminium

    Housing colour light beige (NCS 1704 - Y15R)

    Location of terminals (watchdog) rear of binary I/O modules

    Type of terminals (watchdog) Phoenix

    Terminal data (watchdog) binary outputs: 2.5 mm2

    Protection Class - Housing: IP20- Terminals: IP30

    Table 8: FunctionsService interface Optical RS232 front interface for configuration, tests and diag-

    nostics

    Communication protocols IEC 61850 clientIEC 61850 serverLON Interbay Bus client/serverIEC 60870-5-103 masterIEC 60870-5-101 slaveIEC 60870-5-104 serverDNP 3.0 slaveDNP 3.0 masterRP570/RP571 slave

    For details on protocol implementation please refer to the interoperability documents.

    Data base The number of signals that can be defined in the data base depends on the number of protocols and can be calculated in the following way: No of signals = 50000 / no of protocols

    Project-specific functions Set of calculation elements for signal conversion and limited type conversion.

    COM581 time synchronization Time formats supported:- LON interbay bus time format- Sntp LAN time

    Status information Local control module:- 3 LEDs (standby)- text display- additional 10 status LEDs reserved for future use

    Watchdog outputs 2 output signals on the 500PSM03 boardPage 16 1MRB520206-Ben

  • Substation Automation Products

    COM581

    Communication gateway

    Table 9: Processor board 500CIM06Processor type Power PC Freescale MPC 8255

    Power consumption 5 W Interfaces Serial 1: Serial protocol (synchronous/asynchronous, electrical RJ45)

    Serial 2: Serial protocol (asynchronous, electrical RJ45)LON/IEC 60870-5-103 (optical, ST connector)Ethernet LAN1 (optical, ST connector)Ethernet LAN1 (electrical, RJ45)Ethernet LAN2 (optical, ST connector)Ethernet LAN2 (electrical, RJ45)

    Optical interface data

    Optical cables for LON/IEC 60870-5-103 and Ethernet

    Cross section: 62,5/125 mWave length:: 820-900 nm

    Table 10: Power supply board 500PSM03Input voltage 48 V DC250 V DC, 25%

    max 145 W at full load and an input voltage of 48 V

    Output ratings max 100 WUo1 = 5.1 V +3% @ Io1 = [0 16] AUo2 = 12 V +5%, -3% @ Io2 = [0 3] AUo3 = -12 V +5%, -3% @ Io3 = [00.5] AUo4 = 3.3 V +3% @ Io4 = [0 8] A

    Uninterrupted power in case of input power loss is maintained during a mini-mal time of 70 ms (at 100 W output power and Ui = 36 V). During the first 50 ms no VME bus signals are generated. After 50 ms the ACFAIL* signal is generated and all output voltages remain within specified limits for at least 20 ms.

    Design Auxiliary supply for rackRedundant configurationSignalling over contacts: warning, fail

    - fail = input voltage off or not within the range of tolerance- warning = power supply is overloaded

    Take module loads into account

    } configured via CAP581} configured via CAP581

    Table 11: Star coupler board 500SCM02Function Conversion of bus signals between electrical and optical levels, 5 optical

    transmitter/receiver pairs

    Power consumption 4 W1MRB520206-Ben Page 17

  • Substation Automation Products

    COM581

    Communication gateway

    Dimensioned drawings

    Ordering information

    Please include the following information with the orders:

    Number and type of communication proto-col lines/segments required

    Redundancy required Type of physical interfaces for the remote

    protocols if other than standard (RS232) Functionality required via the different

    communication protocols e.g. commands, measurements, events, disturbance data transfer, parameter read

    Performance required for the different pro-tocols and functionalities e.g. baud rates, measurement no older than 10 seconds in station computer, events transfer time to

    Number of connected units per interbay bus line/segment

    Number of signals from/to each protocol line/segment

    Note also the following:

    Power fail signaling via contact required? Are redundant power supplies required? Data exchange for signal listThe requirements for exchanging the signal list between the customer and ABB are laid down in electronic form on a special Excel list.

    482.6 mm

    Platz fr Verdrahtung RckseiteRear viewSpace for wiring

    21

    2 m

    m

    443 mm

    6U

    = 2

    65.8

    mm

    ap

    pro

    x. 235

    mm

    30

    mmPage 18 1MRB520206-Ben

    NCC less than 10 seconds

  • Substation Automation Products

    COM581

    Communication gateway

    Ordering numbers for COM581 spares

    Configured partsIn the case of configured parts, subunits are fitted and the corresponding firmware is installed.

    Overview of components:

    Device Part No. Text500CIM06 IEC 61850 client 1KHL150005R0002 configured IEC 61850 board500CIM06 IEC 61850 ISP client 1KHL150005R0013 configured IEC 61850 board500CIM06 IEC 61850 server 1KHL150005R0024 configured IEC 61850 board500CIM06 IEC 61850 ISP server 1KHL150005R0025 configured IEC 61850 board500CIM06 LON 1KHL150005R0001 configured LON IMP board500CIM06 LON ISP 1KHL150005R0011 configured LON ISP board500CIM06 IEC 60870-5-103 1KHL150005R0003 configured IEC 60870-5-103

    ISP board500CIM06 DNP 3.0 Slave 1KHL150005R0006 configured DNP 3.0 Slave board500CIM06 DNP 3.0 Master 1KHL150005R0012 configured DNP 3.0 Master board500CIM06 IEC 60870-5-101 1KHL150005R0004 configured IEC 101 Slave board

    for 1 NCC link500CIM06 IEC 60870-5-101 1KHL150005R0005 configured IEC 101 Slave board

    for 2 NCC links500CIM06 RP570/571 1KHL150005R0009 configured RP571 Slave board500CIM06 IEC 60870-5-104 1KHL150005R0007 configured IEC 104 Slave board500CIM06 2 protocols IMP 1KHL150005R0020 configured IMP board

    with 2 protocols500CIM06 2 protocols IMP LON 1KHL150005R0022 configured IMP board

    with 2 protocols and with LON500CIM06 2 protocols ISP/ISG 1KHL150005R0021 configured ISP/ISG board

    with 2 protocols500CIM06 2 protocols IMP/ISG LON 1KHL150005R0023 configured ISP/ISG board

    with 2 protocols and with LON

    Overview of the components available for order:Device Part No. Text500LBI02 1MRB178032 R0010 LON ancillary board500SCM02 1MRB150037 R0001 Star coupler boardPower supply:500PSM03 1MRB150038 R0001 Power supply 100 WBackplane:500CUB03*COM581 1MRB178062 R0002 Backplane for COM581Enclosure and accessories:500HMI03 1MRB1500059R001 Control and display unit LMICover plate 1MRB400164 R0004 Blanks off 1 slotFront plate 1MRB400113 P0084 For 1 HMIHMI/bus cable 1MRB380053 P0001 Ribbon cablePC/HMI cable 1MRB380084 R0001 electric-to-optical connecting cablePC/CPU cable 1MRB380081 R0001 Event logger cableAdhesive strip 1MRB400216 P0001 At top "ABB COM581"Adhesive strip 1MRB400203 P0011 No print at bottom1MRB520206-Ben Page 19

  • Substation Automation Products

    COM581

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    )Communication gateway

    Ordering information (contd)

    Name of the protocol(s)? Supplier?

    What documents can the customer supply defining his existing telecontrol protocol?Descriptions, data sheets, flow charts.

    Deadlines? Will all telecontrol channels be commissioned at the same time or in stages to correspond to the commissioning of the sub-station automation system?Deadlines for items to be supplied by the cus-tomer (address lists, test apparatus etc.)?

    Power supply?

    Configuration?Who is responsible for the telecontrol data address map? Customer? ABB? Third party?

    Type of telecontrol network?Point-to-point (end-to-end communication)?Multi-drop (line / shared service)?Is there an additional supervision channel?

    Data transmission rate?Half-duplex, full-duplex?Data transfer rate (Baud)?

    ModemHired or dialled line?Two-wire?Four-wire?Synchronous transmission?Asynchronous transmission?Modem interface: RS232C or RS423?Electrical insulation necessary?Does the modem at the control room end also have to be supplied?Settings?

    Response as telecontrol station? Type of protocol: Byte-oriented protocol?

    Bit-oriented protocol?Pulse code modulated(PCM)?Pulse duration modulated(PDM)?(ratio between short andlong characters?)

    Questions regarding telecontrol channels

    Specific protocol characteristicsScanning protocol (unbalanced)?Spontaneous protocol (balanced)?Cyclic transmission?

    Test apparatusIs the customer responsible for supplying the test apparatus? Will only the test software for a PC be sup-plied or will the PC be supplied as well? Is a protocol converter needed or is one already available?

    Description of information types:Are there real-time signals?How are measured variables normalized?Are there mathematical values? What kind?Transparent data for substation monitoring functions?One or two-step commands? Actuator commands?Total or partial scanning, special aspects?What kinds of information require return con-firmation and in what time?Response to a disturbance?

    Data volume (quantity)Number of signals for each data type?

    References Operating Instructions COM581 1MRB520267-UenOperating Instructions CAP581 1MRB520184-Uen

    For more information please contact:

    ABB Switzerland LtdPower SystemsBruggerstrasse 72CH-5400 Baden/SwitzerlandTel. +41 58 585 77 44Fax +41 58 585 55 77E-mail: [email protected]

    ABB ABSubstation Automation ProductsSE-721 59 Vsters, SwedenTel. +46 21 34 20 00Fax +46 21 14 69 18www.abb.com/substationautomation

    Power and productivityfor a better world TM

    COM581 - Communication gatewayIntroductionUser benefitsMain featuresApplicationDesignProtocolsPerformance data / LimitationsGeneral featuresHot - standby featuresIEC 61850 featuresSRP - Serial Redundancy ProtocolFunctionsCAP581 configuration tool for COM581DiagnosticHardwareDisplay, controls and interfacesConfigurationTechnical dataDimensioned drawingsOrdering informationQuestions regarding telecontrol channelsReferences