Connecting RS485 Devices


Qualified person

Additionally required material (not included in the scope of delivery):

  • One communication cable for RS485 communication

  • One M12 plug, 4-pole

Signal assignment:

Pin connector

Signal

TS4 Gateway

Sunny WebBox

Sunny Boy Control

Insulated conductor color

1

GND

-

5

5

2

+12 V

+

-

-

3

Data-

B

7

8

4

Data+

A

2

3

Procedure:

  1. DANGER

    Danger to life due to electric shock

    1. Disconnect the inverter from all voltage sources Disconnecting the Inverter from Voltage Sources).
  2. Assemble the M12 plug and connect the RS485 cable to the plug (see manual of the M12 connector).
  3. Ensure that all conductors are correctly connected to the M12 plug.
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  5. Unscrew the protective cap from the jack for the RS485 communication connection.
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  7. Plug the M12 connector into the jack for the RS485 communication connection and screw tight. When doing so, align the connector so that the key on the inverter AC jack is inserted into the keyway on the plug.