SMA America, LLC
6 Electrical Connection
Technical description
SI4548_6048-US-TB_en-13
59
6.4.6 DigIn Digital Input
The DigIn connection is used as a digital input for external electrical sources.
Connecting the DigIn Input
1. Pierce a hole at a suitable location in the cable support sleeve using a sharp object.
2. Starting from the outside, lead the insulated conductors with bootlace ferrules through the hole
in the Sunny Island.
3. Connect the cables correspondingly to the "DigIn" connection of the 4-pole terminal.
4. Tighten the terminal screws (torque: 5 in-lbs. to 7 in-lbs. (0.56 Nm to 0.79 Nm)).
☑ The DigIn digital input is connected.
Area of the input voltage at the DigIn input
There can be 5 V − 63 V at the DigIn digital input.
Corresponding functions
If you operate the system with the generator and grid (GenGrid) in parallel, use the relays on
the master device in order to activate the related functions.
Summary of Contents for Sunny Island 4548-US
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