Steca coolcept Bedienungsanleitung Seite 100

GB
The wiring diagram of the RS485 bus is shown below.
1
Fig. 5: Wiring diagram
①
External data logger
②
First inverter
③
Inverter
④
Last inverter, terminated
⑤
Standard RJ45 cable (patch cable)
3.6.4 Alternative data connection cable
ATTENTION!
Material damage caused by electrical voltage! The alternative data connection cable may only be
manufactured by professional personnel.
The alternative data connection cable is a Cat-5 cable for long data connections. The following
applies to the alternative data connection cable:
The total length of the RS485 bus must not exceed 1,000 m (Master/first inverter to last
n
inverter).
Use the pin assignment according to the table below if the alternative data connection cable is
n
connected to the RJ45 socket of the first inverter or to the connector of an external data logger.
Pin assignments of the alternative data cable
Device
Connection
Pin
100
2
5
RS485
Inverter
RJ45
1
2
3
4
3
5
RS485
Solar-Log
Terminal strip
1
4
—
—
4
5
RS485
WEB'log 1) Signal
RJ12
¤
2 Data A
4 Data B
— —
— —
747.431 | Z08 | 2014-01-31