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3. CONFIGURING THE REDUNDANT ETHERNET BOARD
An IP address is a logical address assigned to devices in a computer network that uses the
Internet Protocol (IP) for communication between nodes. IP addresses are stored as binary
numbers but they are represented using Decimal Dot Notation, whereby four sets of decimal
numbers are delimited by dots as follows:
XXX.XXX.XXX.XXX
For example: 10.86.254.85
An IP address within a network is usually associated with a subnet mask that defines which
network the device resides. A subnet mask takes the same form of an IP address.
For example: 255.255.255.0
A full explanation of IP addressing and subnet masking is beyond the scope of this guide.
Further information is available on application.
Both the IED and the REB (Redundant Ethernet Board) each have their own IP address.
FIGURE 11 shows the IED as IP1 and the REB as IP2.
Note: IP1 and IP2 are different but use the same subnet mask.
The switch IP address must be configured through the network.
IED (IP1)
IED Configurator
XXX.YYY.254.ZZZ
Fixed
SW2
Switch Manager (SHP or DHP)
RSTP Configurator (RSTP)
REB (IP2)
P4442ENa
FIGURE 11: IED AND REB IP ADDRESS CONFIGURATION
3.1 Configuring the IED IP Address
The IP address of the IED is configured using the IED Configurator software in S1 Agile.
For IEC 61850, the IED IP address is set using the IED Configurator.
There are 254 addresses available, which are configurable in the last octet. These are
within the range 01 to 254 decimal, which is equivalent 01 to FE hexadecimal, or 00000001
to 11111110 binary.
As with all IP networks, the first and last addresses (00 and FF) should not be used as these
are reserved for the network address and broadcast address respectively.
Note: In the IED Configurator, ensure that the port type is set to "Copper" (even if
redundant fibres are being used)
3.2 Configuring the Board IP Address
The IP address of the REB is configured in both software and hardware, as shown in
FIGURE 11. Therefore, this must be configured before connecting the IED to the network to
avoid an IP address conflict.
Configuring the First Two Octets of the Board IP Address
If using SHP or DHP, the first two octets are configured using Switch Manager or an SNMP
MIB browser. An H35 (SHP) or H36 (DHP) network device is needed in the network to
configure the Px40 redundant Ethernet board IP address using SNMP.
If using Rapid Spanning Tree Protocol (RSTP), the first two octets are configured using the
RSTP Configurator software tool or using an SNMP MIB browser.
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