150AA058.11
RS485
2 x RJ45
Ethernet
2 x RJ45
L
N
+ / + / + / + / + /
1
2
3
4
5
6
7
Illustration 4.9 Communication Board
1
8-pole terminal blocks
2
PT1000/module temp.
3
PT1000/ambient temp.
4
PT1000/irradiation sensor temp.
5
Irradiation sensor
6
S0/Energy meter
7
Relay 1
Table 4.11 Legend to
Illustration 4.9
4.9 RS-485 and Ethernet Connections
RS-485
Terminate the RS-485 communication bus at both ends.
To terminate the RS-485 bus:
•
Connect Bias H to RX/TX B
•
Connect Bias L to RX/TX A
The RS-485 address of the inverter is unique, and defined
at the factory.
Illustration 4.10 RS-485 Communication Detail - Cat 5 T-568A
Technical Data
L00410309-09_02
29
4
4
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