Gateway
Source
Destination
Default gateway
IEC16000095-1-en.vsdx
IEC16000095 V1 EN-US
Figure 6.
Route from source to destination through gateway
17. Station communication
Communication protocols
M14815-3 v15
Each IED is provided with several communication interfaces
enabling it to connect to one or many substation level
systems or equipment, either on the Substation Automation
(SA) bus or Substation Monitoring (SM) bus.
Available communication protocols are:
• IEC 61850-8-1 communication protocol
• IEC/UCA 61850-9-2LE communication protocol
• LON communication protocol
• SPA communication protocol
• IEC 60870-5-103 communication protocol
Several protocols can be combined in the same IED.
The LPHD.PhyHealth reflects the physical
health of the IED. The status is set to
Alarm when there is an internal failure in
the IED or Warning if any active
communication link fails.
IEC 61850-8-1 communication protocol
M14787-3 v16
IEC 61850 Ed.1 or Ed.2 can be chosen by a setting in
PCM600. The IED is equipped with four optical Ethernet
rear ports for IEC 61850-8-1 station bus communication.
The IEC 61850-8-1 communication is also possible from the
electrical Ethernet front port. IEC 61850-8-1 protocol allows
intelligent electrical devices (IEDs) from different vendors to
exchange information and simplifies system engineering.
IED-to-IED communication using GOOSE and client-server
communication over MMS are supported. Disturbance
recording file (COMTRADE) uploading can be done over
MMS or FTP.
The front port is only intended for
PCM600 communication, maintenance,
training and test purposes due to risk of
interference during normal operation.
IEC 61850 quality expander QUALEXP
GUID-9C5DC78E-041B-422B-9668-320E62B847A2 v1
The quality expander component is used to display the
detailed quality of an IEC/UCA 61850-9-2LE analog
channel. The component expands the channel quality output
of a Merging Unit analog channel received in the IED as per
the IEC 61850-7-3 standard. This component can be used
during the ACT monitoring to get the particular channel
quality of the Merging Unit.
Supervision of GOOSE subscription (ALGOS)
GUID-8EF4A900-FE3D-4111-8914-FC4EEE6AB711 v1
ALGOS reports the status of GOOSE communication to a
client according to IEC 61850.
There should be one instance of ALGOS in an IED for each
data set that the IED receives from other IEDs. Each
ALGOS reports the status of the receiving GOOSE
communication.
All attributes, both mandatory and optional, according to
IEC 61850-7-4 Ed. 2.0 are supported.
ALGOS is not defined in IEC 61850 Ed. 1
and is only supported in Ed. 2 mode.
Supervision of sampled value (IEC 61850-9-2LE)
subscription (ALSVS)
GUID-7895C2C7-FA77-4717-8A43-C6F6B5C9E52F v1
ALSVS reports the status of sampled value communication
to a client according to IEC 61850.
There should be one instance of ALSVS in an IED for each
sampled value data stream that the IED receives. Each
ALSVS reports the status of one receiving sampled value
data stream.
The attributes
St
and
SimSt
are supported as well as the
setting
SvCBRef
, according to IEC 61850-7-4 Ed. 2.0.
ALSVS is not defined in IEC 61850 Ed. 1
and is only supported in Ed. 2 mode.
IEC/UCA 61850-9-2LE communication protocol
GUID-C3AA21B4-730F-4327-943A-3C77102A80A0 v4
Optical Ethernet port communication standard
IEC/UCA
61850-9-2LE for process bus is supported.
IEC/UCA
61850-9-2LE allows Non Conventional Instrument
Transformers (NCIT) with Merging Units (MUs) or stand-
alone MUs to exchange information with the IED, and
simplifies SA engineering. IEC/UCA 61850-9-2LE uses the
same port as IEC 61850-8-1.
LON communication protocol
SEMOD120140-5 v4
Existing stations with Hitachi Power Grids station bus LON
can be extended with use of the optical LON interface
(glass or plastic). This allows full SA functionality including
peer-to-peer messaging and cooperation between the IEDs.
Line distance protection REL650
1MRK 506 384-BEN H
Version 2.2
36
Hitachi Power Grids
© 2017 - 2021 Hitachi Power Grids. All rights reserved
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