SMA 485 Data Module User Manual
Page 15

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.