SMA Solar Technology AG Electrical Connection
Technical Description SI5048-TB-TEN110340 49
6.4.6 DigIn Digital Input
These terminals are used as a digital input for external electrical sources. For example, the feedback
contact for the "GenRn" for the generator manager (GenMan) is connected here.
For connection, proceed as follows:
1. Pierce a hole in the rubber connection area at the corresponding position.
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" terminal of the 4-pole print terminal included
in the delivery.
4. Tighten the terminals.
5. Insert the 4-pole print terminal into the "DigIn" socket on the Sunny Island.
Related Functions
If you connect a GenMan, or operate the system with the generator and grid (GenGrid)
in parallel, use the relays on the master device in order to activate the respective functions.
Further Information
For more information on connecting and operating the GenMan, see the technical
description of the GenMan.
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