Use of the Digital Input

The digital input is made available by the optional SMA I/O Module. You have the following options for using the digital input:

Possible use

Assigning the inputs on the SMA I/O Module

Ripple control receiver or remote terminal unit for closed-loop control by the grid operator

B2, B3, B4, and A2

Grid and PV system protection according to VDE-AR-N 4105

A4

    Also see:

    Digital input
    Set the digital input for a ripple control receiver or remote terminal unit