
Connecting the inverters
Fronius with ComCard
34 of 268 Solar-Log
1000/500/200
Installation
Connecting the inverters to each other (Solar-Log
500
, Solar-Log
1000
)
Connect using the RS485 data cable with an RJ45 plug
Where to connect: RJ45 socket inside the inverter (on the retrofitted
RS485 interface)
Procedure
1 Open the inverter as described in the inverter instructions.
2 Run the wire from inverter 1 to inverter 2 through the hole for the wire on
the bottom of the unit.
3 Insert the RJ45 plug into the “RS485 in” socket in inverter 1.
4 Insert the other end of the cable with the RJ45 plug into the “RS485 out”
socket in inverter 2.
5 Connect the other inverters using the “RS-485 in” and “RS485 out” sockets.
Two cables will be run through each inverter.
6 Terminate in the last inverter:
Insert the connection plug into the free RJ45 socket.
7 Close inverters.
Allocating communication address
Recommendation: Continuous numbering starting with 1.
Setting: Using the inverter operating display
Procedure: As set out in the inverter's instructions
4.8 Fronius with ComCard
Overview
The Fronius ComCard RS422 interface integrated as an option;
otherwise can be retrofitted using “ComCard retrofit”.
Where to connect: RJ45 socket on the outside of the inverter
4 wire cabling with 6 pin terminal block connector
Communication address must be allocated.
– Recommendation: Continuous numbering starting with 1.
– Setting: Using the inverter operating display
– Procedure: As set out in the inverter's instructions
Work steps
• Switch off the inverters and the SolarLog™; Page 17
• (Install Fronius ComCard RS485 interface into the inverter).
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
• Allocate communication address
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