SMA Solar Technology AG
5 Technical Data
Installation Manual
STP60-JP-10-IA-en-11
35
5.6 Technical Data of the
Communication Interface
Table 5.10 Technical data of the communication interfaces
1)
(see Section 2.8 “Ethernet Connections”, page 17)
Interface
Parameter
Parameter details
Specification
Ethernet
Cable
Cable sheath diameter ( ⌀ )
2 x 5 to 7 mm
Cable type
STP cable (Shielded Twisted Pair,
CAT 5e or SFTP CAT 5e)
1)
Cable characteristic
impedance
100 Ω to 120 Ω
RJ45 connector: 2 pcs. RJ45
for Ethernet
Wire size
0.14 to 0.25 mm² (depending on
the design of the RJ45 plug)
Cable shield termination
Via RJ45 plug
Galvanic interface insulation
Yes, 500 Vrms
Direct protection against
contact
Double/reinforced insulation
Yes
Short-circuit protection
Yes
Communication
Network topology
Star connection, ring connection
and daisy chain
Cable
Max. cable length between
inverters
100 m
Max. number of inverters
Per SMA Inverter Manager
42