Connecting Signal Source to Digital Input DI 5-6

Qualified person

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

  • 1 relay for the grid and PV system protection (break contact)

  • 1 fast-stop switch (break contact)

Requirements:

  • The signal source must be technically suitable for connection to the digital inputs ( > Technical Data).

Procedure:

  1. Connect the connection cable to the digital signal source (see the manual from manufacturer).
  2. Disconnect the inverter from all voltage sources ( > Disconnecting the Inverter from Voltage Sources).
  3. Unscrew the swivel nut from the cable gland.
  4. Remove the four-hole cable support sleeve from the cable gland.
  5. Remove the plug from one of the enclosure openings and cut into the enclosure opening with a utility knife.
  6. Insert the cable into the enclosure opening.
  7. Press the four-hole cable support sleeve with the cable into the cable gland and guide the cable to slot DI 5-7. Ensure that the unused enclosure openings of the four-hole cable support sleeve are sealed with sealing plugs.
  8. Dismantle the cable by 150 mm.
  9. Strip off the conductor insulation by 6 mm.
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  10. Release the conductor entries on the supplied 4-pole plug.
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  11. Connect the conductors of the connection cable to the supplied 4-pole plug. To do so, plug the conductors into the conductor entries and close the conductor entries. Observe the plug assignment.
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  12. Plug the 4-pole plug into the socket DI 5-7 on the product. Observe the pin assignment.
  13. Ensure that the plug is securely in place.
  14. Ensure that all conductors are correctly connected.
  15. Ensure that the conductors sit securely in the terminal points.
  16. Tighten the swivel nut on the cable gland hand-tight.

    Also see:

    Circuitry overview DI 6
    DC connection