SMA Communit-10 User Manual
Page 23
SMA Solar Technology AG
6 Electrical Connection
Installation Manual
Communit-IA-A1-en-22
23
6.2 Inserting the Cables into the Communication Distribution Unit
The individual devices in the communication distribution unit have been cabled. The cables are inserted through the cable
glands in the floor of the Communit.
Figure 10: Cable glands in the floor of the Communit
Position
Recommendations for cable entry
A
For the supply voltage cable
B
For the Sunny SensorBox cable
C
For optical fibers
D
For the cables of the Cluster Controller and the I/O module
E
Reserve
F
For the antenna cable
G
For the network cables
H
Reserve
External strain relief of the supply voltage cable
The cable for the Communit supply voltage must be led to the Communit with sufficient strain relief. The external cable
support rail is not included in the scope of delivery.
• Attach the supply voltage cable to an external cable support rail.
Unused cable glands
• Do not take the filler plugs out of the unused cable glands. The filler plugs serve as seals for the Communit.
/05*$&
Damage to the Communit due to moisture penetration
Moisture can penetrate the Communit through unsealed cable glands.
• Only remove the number of sealing rings from the rubber seal in the cable gland that corresponds to the cable
diameter.