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SMA 485 Data Module User Manual

Page 15

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SMA Solar Technology AG

5  Connection

Installation Manual

485i-Module-IA-en-18

15

Procedure:
To connect the 485 Data Module, perform the following actions in the prescribed sequence.
The following sections show the exact sequence.

• Preparing the cable
• Connecting the cable to the 485 Data Module

Preparing the Cable

1. Remove 40 mm of the cable sheath at the end of the cable which is to be connected to the

485 Data Module.

2. Shorten the cable shield to 15 mm.
3. Fold the surplus cable shield back onto the cable

sheath.

4. Wrap the cable shield with conductive adhesive

foil.

5. Strip the insulation on the three wires by 6 mm. Two wires for communication must be a twisted

pair.

6. Shorten all other wires flush with the cable sheath.

Connecting the Cable to the 485 Data Module

1. Flip up the display until it clicks into place.
2. Unscrew the swivel nut of the cable gland on the

inverter.