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SMA Solar Technology AG
Observe the configuration of the router and the network switch
For the Speedwire connection, the product uses IP addresses from the Unicast range and also
IP addresses from the Multicast range 239/8 (239.0.0.0 to 239.255.255.255).
• When using a router or network switch, ensure that the router and the network switch
forward the Multicast telegrams required for the Speedwire connection to all nodes in the
Speedwire network (for further information on how to configure the router or network
switch, see the manual from the manufacturer).
IGMP protocol version 1 must be supported
The product works with multicasts. For correct function of the product, all network components
used must support the IGMP protocol, version 1 (IGMPv1).
Requirements:
☐ The nodes in the Speedwire network (e. g. inverters) must be cabled in accordance with one
of the possible network topologies (see the node installation manual and the Technical
Information "SMA SPEEDWIRE FIELDBUS").
☐ If your system uses an Energy Meter to measure the active power feed-in at the grid-
connection point, then the Energy Meter must be connected either to the router or network
switch of the Speedwire network or directly to terminal X9 or X10 of the Cluster Controller,
depending on the network topology of the system.
Additionally required material (not included in the scope of delivery):
☐ Depending on the network topology: network cable (see Section 6.3 "Cable Requirements",
page 28)
Figure 11: Pin assignment for network ports X9, X10, X13 and X14
Pin
Designation
1
TX+
2
TX −
3
RX+
4
Not assigned
5
Not assigned
6
RX−
7
Not assigned
8
Not assigned
Installation Manual
Explanation
Data Out +
Data Out −
Data In +
Not assigned
Not assigned
Data In −
Not assigned
Not assigned
6 Connection and Commissioning
ClusterController-IA-en-15
37
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