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Password
ParameterMeaningUnit / TypeDefault value
Adress parameters of local side (D2000 KOM process)

Kotva
ltsel
ltsel
Local TSEL (hex)

Octet string that represents the local Transport Selector. It identifies the Transport SAP. The maximum size is 32 octets (64 ASCII encoded hexadecimal digits).octet string00 01

Kotva
lssel
lssel
Local SSEL (hex)

Octet string that represents the local Session Selector. It identifies the Session SAP. The maximum size is 16 octets (32 ASCII encoded hexadecimal digits).octet string00 01

Kotva
lpsel
lpsel
Local PSEL (hex)

Octet string that represents the local Presentation Selector. It identifies the Presentation SAP. The maximum size is 16 octets (32 ASCII encoded hexadecimal digits).octet string00 00 00 01

Kotva
lapt
lapt
Local AP Title

Local Application Process Title is an identifier that is assigned by an address manager. It represents a specific application process.

string1.3.9999.1

Kotva
laeq
laeq
Local AE Qualifier

Integer value used to identify the local Application Entity.string1

Adress parameters of remote side (the IED device)

Kotva
rtsel
rtsel
Remote TSEL (hex)

Octet string that represents the remote Transport Selector. It identifies the Transport SAP. The maximum size is 32 octets (64 ASCII encoded hexadecimal digits).octet string00 01

Kotva
rssel
rssel
Remote SSEL (hex)

Octet string that represents the remote Session Selector. It identifies the Session SAP. The maximum size is 16 octets (32 ASCII encoded hexadecimal digits).octet string00 01

Kotva
rpsel
rpsel
Remote PSEL (hex)

Octet string that represents the remote Presentation Selector. It identifies the Presentation SAP. The maximum size is 16 octets (32 ASCII encoded hexadecimal digits).octet string00 00 00 01

Kotva
rapt
rapt
RemoteAP Title

Remote Application Process Title is an identifier that is assigned by an address manager. It represents a specific application process.string1.3.9999.1

Kotva
raeq
raeq
Remote AE Qualifier

Integer value used to identify the remote Application Entity.string1
Common adress parameters

Kotva
btid
btid
Bilateral Table ID

Name of the bilateral table. In case of IEC 61850 this can be an empt string.- 
Kotva
mmmss
mmmss
Max MMS Message Size
Maximum size of MMS messages.bytes32000
Kotva
mrp
mrp
Max Requests Pending

Maximum proposed transactions that could be sent and unacknowledged. The value can be reduced if the other party suggests lower value at negotiation.

1 .. 325
Kotva
mip
mip
Max Indications Pending

Maximum proposed transactions that could be received without sending an acknowledge. The value is sent to the other party.

1 .. 325
Kotva
mnl
mnl
Max Nesting Level
Maximum level of nesting for MMS data structures.1 .. 105

Kotva
tpdus
tpdus
ISO TPDU Size

The maximum packet size for "ISO over TCP" protocol level (according to RFC 1006)8192/4096/2048/1024/512/256/128 bytes1024  bytes
Kotva
htb
htb
Heartbeat

Timer, which permits the sending ICCP message Identify request to the communicating party to find out the validity of TCP/IP connection. To enable the timer a nonzero value must be specified. If the connection was aborted on TCP/IP level, the fast detection ensures its faster restoring.
This parameter is recommended in situations when transmitting data via large networks or when a small amount of data is transmitted via the active connection. The value 0 (implicit) turns off the HeartBeat timer. A positive value means the seconds to send Heartbeat message. If any message is sent, the Heartbeat timer is reset and Heartbeat message is sent only after timeout elapses without any communication between partners.

sec0
Kotva
rd
rd
Retry Delay

Delay inserted before repeated attempt to establish the connection after it has been broken. If the connection should be restored as fast as possible, set the low value or 0 seconds.

sec10 sec

Kotva
irt
irt
Inter Read Timeout

Maximum waiting time to receive TCP data. After this timeout elapses, the possible requirements (data) for sending to a communicating party are checked.
As the communication is executed via one thread, the high value can reduce speed of interaction with the party. The recommended value is 50 to 150 milliseconds.

msec100 msec

Kotva
ps
ps
Parallel Stations

The parameter activates creating TCP connections for each station. If the device supports multiple clients, communication can be parallelised.
If the parameter is set to NO, a single TCP connection will be created for all communication stations.

YES/NONO

Kotva
if
if
Map IEC 61850 flags

The way IEC 61850 flags are mapped into D2000 flags FA..FM.

IEC 61850 protocol has quality flags mapped into 13 bits of Quality attribute, details are given in the description of the parameter Quality Index:

Mapping can be:

  • None - flags FA .. FM are not set
  • Simple - Quality attribute directly maps to flags FA .. FM

Note: after the change of this parameter we recommend a restart of KOM process or communication partner so that all values come into the system with properly set flags.

None
/
Simple
None

Kotva
to
to
Report Trigger Options

Setting of Trigger prameters used to trigger reports (TrgOps). The following bits are used according to the standard (the numbering is from the highest bit, which is bit 0):

  • bit 0 - reserved
  • bit 1 - data-change
  • bit 2 - quality-change
  • bit 3 - data-update
  • bit 4 - integrity
  • bit 5 - general-interrogation
The default value is 0x74 (all bits are active except integrity - this is activated if the parameter Integrity Period  is specified in the report configuration.
Note: ABB Substation Management Unit COM600 required 0x64, it did not support bit 3 - data-update.
1 byte octet string74

Kotva
atabat
Authentication Type

Type of authentication. These types of authentication are supported:

  • None - no authentication
  • Password - password-based authentication. The password is transmitted unencrypted within ISO 8650-1 OSI Association Control Service layer.
None
Password
None
Kotva
papa

Password used if Authentication Type = Password

string
Debug settings

ab
Additional Browse Items

Parameter enables to specify additional names of objects to query during browsing for I/O tags. Names must be separated by a space, e.g. "Obj1 Obj2". This makes it possible to handle the situation when IED deliberately does not list some objects in the GetNameList-Response message (response to a requested list of objects within a logical device).
Note: The ABB Substation Management Unit COM600 required parameter setting to LLN0 - this object was not propagated but it was important (it contained e.g. buffered and unbuffered reports).



Kotva
at
at
Authentication Type

Type of authentication. These types of authentication are supported:

  • None - no authentication
  • Password - password-based authentication. The password is transmitted unencrypted within ISO 8650-1 OSI Association Control Service layer.
None
Password
None

Kotva
pa
pa
Password

Password used if Authentication Type = Password

string
Debug settings

Kotva
Kotva
iobpd
iobpd
Debug I/O binary packets info

Enables debug information on the level of binary packets. See Note 1.YES/NONO
Kotva
isolpd
isolpd
Debug ISO packet level info
Enables debug information on ISO OSI layer. See Note 1.YES/NONO
Kotva
mmslpd
mmslpd
Debug MMS level info
Enables debug information on MMS data level. See Note 1.YES/NONO

Kotva
tase2lpd
tase2lpd
Full IEC61850 level info

Enables debug information on the top level of IEC 61850 data. See Note 1.


YES/NONO
Kotva
vilpd
vilpd
Incomming values info
Enables a detail debug information about incoming values (data values). See Note 1.YES/NONO
Kotva
volpd
volpd
Outgoing values info
Enables a detail debug information about outgoing values (data values). See See Note 1.YES/NONO

Kotva
poznamka1
poznamka1
Note 1

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Data TypePopis

Kotva
auto
auto
--- Autodetect ---

The Data Type will be queried by a GetVariableAccessAttributes-Request message after the conection establishment.

Note 1: information is currently stored only in KOM process memory, therefore after its restart and the first connection establishment the data type detection is performed for all Autodetect I/O tags.
Note 2: data types State and StateQ are undistinguishable by this mechanism, therefore objects of these types are detected as StateQ.
Note 3: the same mechanism for data type detection is used in browsing.

Discrete *ICCP: Integer 32-bit value signed
DiscreteQ *
ICCP: Integer 32-bit signed value + ICCP Validity
DiscreteQTimeTag *
ICCP: Integer 32-bit signed value + ICCP Validity + Time stamp
DiscreteExtended *
ICCP: Integer 32-bit signed value + ICCP Validity + Current Source + Extended time stamp
Real *
ICCP: Float 32
RealQ *
ICCP: Float 32 + ICCP Validity
RealQTimeTag *
ICCP: Float 32 + ICCP Validity + Time stamp
RealExtended *
ICCP: Float 32 + ICCP Validity + Current Source + Extended time stamp
State *ICCP: Discrete 2-bit value
StateQ *ICCP: Discrete 2-bit value + ICCP Validity
StateQTimeTag *
ICCP: Discrete 2-bit value + ICCP Validity + Time stamp
StateExtended *
ICCP: Discrete 2-bit value + ICCP Validity + Current Source + Extended time stamp
BooleanBoolean value
Float3232-bit real value
Float6464-bit real value
Integer88-bit signed integer value
Integer1616-bit signed integer value
Integer3232-bit signed integer value
Integer6464-bit signed integer value
Unsigned88-bit unsigned integer value
Unsigned1616-bit unsigned integer value
Unsigned2424-bit unsigned integer value
Unsigned3232-bit unsigned integer value
OctetStringVariable-length binarny string
VisibleStringVariable-length text string
UnicodeStringVariable-length text string in UTF8 encoding
BitStringVariable-length bit string
UtcTimeAbsolute time (format seconds since 1.1.1970 + miliseconds)
TimeOfDayAbsolute/relative time (format seconds and miliseconds of a day + optionally number of days since 1.1.1984)
Array of BooleanArray of Boolean values
Array of Float32Array of 32-bit real values
Array of Float64Array of 64-bit real values
Array of Integer8Array of 8-bit signed integer values
Array of Integer16Array of 16-bit signed integer values
Array of Integer32Array of 32-bit signed integer values
Array of Integer64Array of 64-bit signed integer values
Array of Unsigned8Array of 8-bit unsigned integer values
Array of Unsigned16Array of 16-bit unsigned integer values
Array of Unsigned24Array of 24-bit unsigned integer values
Array of Unsigned32Array of 32-bit unsigned integer values
Array of OctetStringArray of variable-length binarny strings
Array of VisibleStringArray of variable-length text strings
Array of UnicodeStringArray of variable-length text string in UTF8 encoding
Array of BitStringArray of variable-length bit strings
Array of UtcTimeArray of absolute times (format seconds since 1.1.1970 + miliseconds)
Array of TimeOfDayArray of absolute/relative times (format seconds and miliseconds of a day + optionally number of days since 1.1.1984)

Kotva
structure
structure
Structure

Structure or Array. Structure can contain simple types, arrays, and nested structures. Arrays consist of elements that can be simple types (here, however, it is more efficient to use some of the Array of types), structures and arrays. If a data type of an I/O tag is configured as a Structure, the Array Index parameter specifies the complex address of the structure element to be read in the I/O tag.
Note: multiple I/O tags can have the same Name parameter, the Structure data type, and differ only by the Array Index parameter to access the various elements of the structure. If these I/O tags are configured with the I / O Tag Type = Periodically polled value, a single reading request will be sent for all such points.

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Kotva
array_index
array_index
Array Index

  • For the Autodetect object type and for arrays of elementary types (Array of): it it spossible to specify an index of element within an array. The arrays in the IEC 61850 protocol are indexed from 0. Not specifying the index results in accessing the 0-th element.

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  • Kotva
    cplx_addr
    cplx_addr
    For the Structure object type: it is necessary to specify a complex addresss of element (of simple type) within a structure.
    The complex address is in form x.y.z.. e.g. 0.2. Individual indices indicate order within a structure or field, a dot indicates a descend deeper.
    Example 1: Communication line log shows a structure consisting of VisibleString elements. Individual elements will be accessed by complex addresses 0.0, 0.1 and 0.2

    Log lineNoteSimple element
    08:08:14.322 29-06-2018|D|MMS> [1] STRUCTURE{Object of Structure type
    08:08:14.323 29-06-2018|D|MMS> [1]   Structure{Level 0
    08:08:14.325 29-06-2018|D|MMS> [1]     VisibleString=INFO TECHLevel 0.0yes
    08:08:14.327 29-06-2018|D|MMS> [1]     VisibleString=1.0Level 0.1yes
    08:08:14.329 29-06-2018|D|MMS> [1]     VisibleString=Current harmonics measurementLevel 0.2yes
    08:08:14.332 29-06-2018|D|MMS> [1]   }End of structure
    08:08:14.334 29-06-2018|D|MMS> [1] }End of Structure object

    Example  2:  Communication line log shows an array consisting of two structures that contain structures that contain elements of Float32 type. Individual elements will be accessed by complex addresses 0.0.0 and 1.0.0

    Log lineNoteSimple element

    08:08:14.169 29-06-2018|D|MMS> [1] ARRAY{

    Object of Array type

    08:08:14.172 29-06-2018|D|MMS> [1]   Structure{

    Level 0

    08:08:14.173 29-06-2018|D|MMS> [1]     Structure{

    Level 0.0

    08:08:14.175 29-06-2018|D|MMS> [1]       Float32= 0.00000E+00

    Level 0.0.0yes

    08:08:14.177 29-06-2018|D|MMS> [1]     }

    End of structure

    08:08:14.179 29-06-2018|D|MMS> [1]   }

    End of structure

    08:08:14.181 29-06-2018|D|MMS> [1]   Structure{

    Level 1

    08:08:14.183 29-06-2018|D|MMS> [1]     Structure{

    Level 1.0

    08:08:14.185 29-06-2018|D|MMS> [1]       Float32= 1.00000E+02

    Level 1.0.0yes

    08:08:14.186 29-06-2018|D|MMS> [1]     }

    End of structure

    08:08:14.188 29-06-2018|D|MMS> [1]   }

    End of structure

    08:08:14.188 29-06-2018|D|MMS> [1] } 

    End of Array


...

Kotva
qualityoffset
qualityoffset
Quality Index

For the Structure object type: it is possible to specify index where IEC 61850 Quality is located. Format of Quality Index is the same as a complex address.
IEC 61850 Quality is of Bitstring type with length of 2 bytes. 13 quality bits are defined as follows (the standard numbers the bits so that the highest bit is 0 and the lowest is 15):

...

If at least one of bits number 2-12 is set, value in D2000 has a Weak attribute.
See the example in Time Index



Kotva
timeoffset
timeoffset
Time Index

For the Structure object type: it is possible to specify index where timestamp is located. Format of Time Index is the same as a complex address.

If the Time Index is not specified, the timestamp of the information report (for I/O Tag Type=Buffered/unbuffered report value) or the current time (for  I/O Tag Type=Periodically polled value) will be used.

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If this choice is active, the Data Type will be set to Autodetect, otherwise to value discovered during browsing , e.g. Boolean or Integer32.

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The browse windows enables filtering by the object name and data type. Tt is not necessary to enter the full text in filter field. Notation "*FILTERED EXPRESSION*" is supported. The symbol * represents any text before and after the expression (e.g. *momen*).

Note 1

In addition to objects with supported data types (Boolean, Integer32 ...), the object list can contain objects with Structure type. These are the structured objects that can not be directly read. The implementation only supports work with simple types and fields whose elements are simple types, therefore individual items of structured objects need to be communicated.

Note 2

In versions from 20th December 2018 and newer, recycling of browser dialogue has been implemented. If the dialog is closed by the Cancel button or after selecting an object, it is actually only hidden and it is available for browsing by another I/O tag within the same station so that the tree structure of the browsed objects is preserved. Clicking on the close icon at the top right corner will cause the dialog to be really closed.

Kotva
abb_com600
abb_com600
Kotva
abb_com600abb_com600
Comments on ABB Substation management unit COM600

...

During the testing of the ABB Substation Management Unit COM600 the following facts were found:

  • The device contained several configurable logical names, so it required configuration of several stations on the line (addresses e.g. RF_TS3CTRL, RF_TS3DR, RF_TS3LD0).
  • The device has implemented buffered reports. For each report, it supported several instances differing by number (e.g., LLN0$BR$rcbStatUrg01 .. LLN0$BR$rcbStatUrg05, LLN0$BR$rcbMeasReg01 .. LLN0$BR$rcbMeasReg05). For multiple clients, each one had to subscribe to a specific instance of the report in order to avoid conflict.
  • Value of Report Trigger Options parameter had to be 64 (hexadecimal). That means, the device did not support bit 3 - data-update during activation of buffeerd reports.
  • The value of Additional Browse Items parameter had to be LLN0 so that multiple objects and information reports are found during browsing.
  • The buffered reports supported Integrity Period parameter.
  • The individual items of the information reports were of different structure:
    Booleans with quality flags and a timestamp (Array Index = 0, Quality Index = 1, Time Index = 2):

    15:59:54.444 07-12-2018|D|MMS>  [1]     STRUCTURE{
    15:59:54.446 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    15:59:54.448 07-12-2018|D|MMS>  [1]       Bitstring=<00><03>
    15:59:54.450 07-12-2018|D|MMS>  [1]       seconds= 1544108937 fraction= 3898870784 (06-12-2018 16:08:57.908) quality 1 (Accuracy of fraction: 1 bits)
    15:59:54.452 07-12-2018|D|MMS>  [1]     }

    Integers with quality flags and a timestamp (Array Index = 0, Quality Index = 1, Time Index = 2):

    15:59:54.432 07-12-2018|D|MMS>  [1]     STRUCTURE{
    15:59:54.434 07-12-2018|D|MMS>  [1]       Integer8= 1
    15:59:54.436 07-12-2018|D|MMS>  [1]       Bitstring=<00><03>
    15:59:54.438 07-12-2018|D|MMS>  [1]       seconds= 1544108937 fraction= 3834446336 (06-12-2018 16:08:57.893) quality 1 (Accuracy of fraction: 1 bits)
    15:59:54.440 07-12-2018|D|MMS>  [1]     }

    Floats (inside a structure) with quality flags and a timestamp (Array Index = 0.0, Quality Index = 1, Time Index = 2):

    16:00:03.979 07-12-2018|D|MMS>  [1]     STRUCTURE{
    16:00:03.980 07-12-2018|D|MMS>  [1]       Structure{
    16:00:03.981 07-12-2018|D|MMS>  [1]        Float32= 3.11465E+01
    16:00:03.982 07-12-2018|D|MMS>  [1]       }
    16:00:03.982 07-12-2018|D|MMS>  [1]       Bitstring=<00><03>
    16:00:03.984 07-12-2018|D|MMS>  [1]       seconds= 1544184591 fraction= 1623978240 (07-12-2018 13:09:51.378) quality 0 (Accuracy of fraction: 0 bits)
    16:00:03.984 07-12-2018|D|MMS>  [1]     }

    More complicated structures - e.g. multiple Booleans with common quality flags and a timestamp:

    16:00:04.118 07-12-2018|D|MMS>  [1]     STRUCTURE{
    16:00:04.119 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.120 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.120 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.121 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.122 07-12-2018|D|MMS>  [1]       Bitstring=<00><03>
    16:00:04.123 07-12-2018|D|MMS>  [1]       seconds= 1544108877 fraction= 3564805632 (06-12-2018 16:07:57.830) quality 0 (Accuracy of fraction: 0 bits)
    16:00:04.124 07-12-2018|D|MMS>  [1]     }

    or multiple Booleans and Integers with common quality flags and a timestamp:

    16:00:04.107 07-12-2018|D|MMS>  [1]     STRUCTURE{
    16:00:04.108 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.109 07-12-2018|D|MMS>  [1]       Integer8= 0
    16:00:04.110 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.111 07-12-2018|D|MMS>  [1]       Integer8= 0
    16:00:04.112 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.112 07-12-2018|D|MMS>  [1]       Integer8= 0
    16:00:04.113 07-12-2018|D|MMS>  [1]       Boolean=FALSE
    16:00:04.114 07-12-2018|D|MMS>  [1]       Integer8= 0
    16:00:04.115 07-12-2018|D|MMS>  [1]       Bitstring=<00><03>
    16:00:04.116 07-12-2018|D|MMS>  [1]       seconds= 1544184591 fraction= 2075243776 (07-12-2018 13:09:51.483) quality 0 (Accuracy of fraction: 0 bits)
    16:00:04.117 07-12-2018|D|MMS>  [1]     }


Kotva
tell_cmd
tell_cmd
Tell commands

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CommandSyntaxDescription
STWATCHSTWATCH StationNameTell command sends requests for reading values of all I/O tags.

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