Steca Elektronik coolcept Notice D'installation Et D'utilisation page 96

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StecaGrid Vision remote display:display of the data from inverters connected to the RS485 bus.
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Energy management unit StecaGrid SEM
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PC or notebook (with suitable software, for technical professionals only):
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– Load firmware updates
– Read inverter information using Steca service software
– An optional RS485⇔USB adapter for connecting to the inverter is also available. The
adapter is available from Steca.
External data loggers, recommended by Steca for professional system monitoring:
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– WEB'log (Meteocontrol)
– Solar-Log (Solare Datensysteme)
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.
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Fig. 4: Wiring diagram, using the StecaGrid Vision remote display as an illustrative example
①
StecaGrid Vision or external data logger (in Fig.: StecaGrid Vision)
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 technical professionals.
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2
5
RS485
3
5
RS485
4
5
RS485
747.431