SMA America, LLC
Electrical Connection
Technical Description
SI5048U-TUS121440
59
6.4.6 DigIn Digital Input
The DigIn connection is used as a digital input for external electrical sources.
Connect the DigIn Digital Input
1. Pierce the appropriate place on the cable insert with a pointed object.
2. Starting from the outside, feed the cables with wire-end sleeves through the hole in the Sunny
Island.
3. Connect the cables correspondingly to the ”DigIn” connection of the 4-pole print terminal.
4. Tighten the print terminal screws (torque: 5 in‑lbs. ‒ 7 in‑lbs. (0.56 Nm ‒ 0.79 Nm)).
☑ The DigIn digital input is connected.
Range of the Input Voltage at the DigIn Input
There can be 5 V − 63 V at the DigIn digital input.
Related Functions
If you operate the system with the generator and utility (GenGrid) in parallel, use the relays
on the master device in order to activate the related functions.
