SMA STP 60-10 - Technical Data of the Communication Interface; Ethernet Connections

SMA Solar Technology AG 5 Technical Data
Installation Guide SHP75-10-STP60-10-IA-xx-18 47
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 27)
5.7 Ethernet Connections
Figure 5.4 Pin assignment of the RJ45 plug for Ethernet
Interface Parameters Parameter details Specification
Ethernet Cable Cable sheath diameter ( ⌀ ) 2 x 5 to 7 mm
Cable typ 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
Pin
assignment
Ethernet
Color standard
Cat. 5
T-568A
Cat. 5
T-568B
1. RX+ Green/white Orange/white
2. RX Green Orange
3. TX+ Orange/white Green/white
4. Blue Blue
5. Blue/white Blue/white
6. TX- Orange, Green
7. Brown/white Brown/white
8. Brown Brown