be used for tripping and alarm purposes using the
offered optional multipurpose protection functions.
Please refer to the Input/output overview table
and the terminal diagrams for more detailed
information about the inputs and outputs.
Table 4. Input/output overview
Standard
configuration
Analog inputs
Binary inputs/outputs
CT
VT
RTD inputs
mA inputs
BI
BO
A
1)
7
-
6
2)
2
2)
8 (14)
3)
10 (13)
3)
B
1)
7
-
6
2)
2
2)
8 (14)
3)
10 (13)
3)
C
1)
7
-
6
2)
2
2)
8 (14)
3)
10 (13)
3)
D
1)
7
-
6
2)
2
2)
8 (14)
3)
10 (13)
3)
E
7
5
4)
-
-
12
10
F
7
5
4)
-
-
12
10
G
7
5
4)
-
-
12
10
H
7
5
4)
-
-
12
10
1)
The optional I/O module and the optional RTD/mA modules are mutually exclusive
2)
With optional RTD/mA module
3)
With optional binary I/O module
4)
One of the five inputs is reserved for future applications
16. Station communication
The IED supports a range of communication
protocols including IEC 61850, IEC 60870-5-103,
Modbus
®
and DNP3. Operational information and
controls are available through these protocols.
However, some communication functionality, for
example, horizontal communication between the
IEDs, is only enabled by the IEC 61850
communication protocol.
The IEC 61850 communication implementation
supports all monitoring and control functions.
Additionally, parameter settings, disturbance
recordings and fault records can be accessed
using the IEC 61850 protocol. Disturbance
recordings are available to any Ethernet-based
application in the standard COMTRADE file
format. The IED supports simultaneous event
reporting to five different clients on the station
bus.
The IED can send binary signals to other IEDs (so
called horizontal communication) using the IEC
61850-8-1 GOOSE (Generic Object Oriented
Substation Event) profile. Binary GOOSE
messaging can, for example, be employed for
protection and interlocking-based protection
schemes. The IED meets the GOOSE
performance requirements for tripping
applications in distribution substations, as defined
by the IEC 61850 standard. Further, the IED
supports the sending and receiving of analog
values using GOOSE messaging. Analog GOOSE
messaging enables fast transfer of analog
measurement values over the station bus, thus
facilitating for example sharing of RTD input
values, such as surrounding temperature values,
to other IED applications.
For a self-healing Ethernet solution the IED offers
an optional fibre-optic communication module
providing two optical and one galvanic Ethernet
network interfaces. Alternatively, the IED features
an optional galvanic communication module with
two galvanic and one optical Ethernet network
interfaces or three galvanic interfaces. The third
Ethernet interface provides connectivity of any
other Ethernet devices to an IEC 61850 station
bus inside of a switchgear bay.
The self-healing Ethernet ring solution enables a
cost efficient communication ring controlled by a
Transformer Protection and Control
1MRS756891 F
RET615
Product version: 4.0
22
ABB
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