Steca coolcept3 - Page 26

n Energy management unit StecaGrid SEM: Interface to a ripple
control receiver for EEC-compliant feed-in management
n PC or notebook (with suitable software):
– Read inverter information using the "StecaGrid User" read
out software. This is available on our homepage see http://
www.steca.com/index.php?StecaGrid_User_de
– Connection to the inverter via optional adapter
RS485⇔USB is possible; the adapter is available from Steca
under Article Number 746.610 (IP21) or 737.707 (IP65).
– Load firmware updates (for technical professionals only)
n External data loggers, recommended by Steca for professional
system monitoring:
– WEB‘log (Meteocontrol)
– Solar-Log (Solare Datensysteme)
– Energy-Manager (Kiwigrid GmbH)
Notice
The correct settings must be made in external
data loggers, according to the manufacturer's
instructions, before connecting them to the bus.
The wiring diagram of the RS485 bus is shown below.
1
2
3
4
5
5
5
RS485
RS485 RS485
Fig. 7: Wiring diagram
①
External data logger
②
First inverter
③
Inverter
④
Last inverter, terminated
⑤
RJ45 standard cable (patch cable)
3.6.4 Alternative data connection cable
NOTICE!
Material damage caused by electrical voltage!
The alternative data connection cable may only
be manufactured by professional personnel.
EN
750.661 | Z03 | 2016-09-12 26