SMA 20000TL Installation - Manual (Page 20)

5 Electrical Connection SMA Solar Technology AG
20 PCONTROLMOD-IA-en-15 Installation Manual
Functions of Signals D1 to D4 in Operating Mode Remote Shutdown
(Default Settings for Italy)
Pin Signal
Pin 5 / Pin 14 + 12 V
Pin 4 / Pin 15 D4
Pin 3 / Pin 16 D3
Pin 2 / Pin 17 D2
Pin 1 / Pin 18 D1
D1 D2 D3*
* The signals D3 and D4 are not evaluated in the operating mode Remote shutdown.
D4* Function
Closed Closed Open/Closed Open/Closed No specification
Open Closed Open/Closed Open/Closed Remote shutdown
Closed Open Open/Closed Open/Closed Narrowing of
frequency limits
Open Open Open/Closed Open/Closed Remote shutdown