153
GTec
Procedure
1. Open the inverter as shown in the inverter's instructions.
2. Pull the free wires through the wire opening in the inverter.
3. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector RJ45 inverter
Terminal PIN
► 1 ► Rx +
► 3 ► GND
► 4 ► Rx-
► 5 ► Tx+
► 6 ► Tx-
4. If no further inverter is connected, terminate the inverter according to the instructions for the inverter.
5. Close the inverter if no other inverters are to be connected.
6. Insert the terminal block connector into the Solar-Log™ RS485/422 B or C socket.
Connect the inverters to each other
•
Connect using a 4 wire, shielded data cable
•
Where to connect: Terminal strip inside the inverter (on the retrofitted RS485 interface).
Procedure
•
Open the inverter as shown in the inverter's instructions.
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Position the inverter up according to the diagram.
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Connect terminals R+, R-, T+ and T- of inverter 1 to the corresponding terminals on inverter 2.
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Connect the other inverters to each other in the same way.
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Terminate the last inverter according to the inverter instructions.
•
Close inverters.
Note
A maximum of 32 inverters can be connected per RS422 bus.
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