348
Steca
92.2 Steca(>=17k)
Termination Addressing Interface
Yes Yes RS485
Select “Steca: USS / >=17kW“ for the device detection.
Overview
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Integrated interface
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Where to connect: RJ45 socket on the bottom of the inverter
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2-pin wiring
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Communication address must be allocated
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Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
Select the Steca >=17k inverter during the initial configuration.
Note
To use active and reactive power management, all of the inverters need to be set to:
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Protocol 1
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57600 baud
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Parameter 1164 = 2
Connect inverters to the Solar-Log™
The wiring is done using a
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self-made, shielded 2 wire data cable and terminal block connector.
Procedure
1. Connect wires as shown in the diagram below.
Solar-Log™ terminal strip connector RS485 inverter socket
Terminal PIN
► 1 ► 2
► 4 ► 3
2. If no further inverter connected, terminate the inverter:
On the sockets "RS485 OUT" with SACC-M12MS-4SC round plugs bypass the connections PIN1 to PIN2 and
PIN3 to PIN4.
3. Close the inverter if no other inverters are to be connected.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.
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