Sonnen sonnenBatterie 10, Installation Instructions Manual, Page: 56 / 100

8 | Using digital inputs/outputs (optional)
56 / 100 Installation instructions sonnenBatterie 10
Label Function Wire cross-section
[mm²]
7
Voltage
[VDC]
Max. amperage
[mA]
1 DO GND Digital output GND 0.25–0.75 0 350
2 DO GND Digital output GND 0.25–0.75 0 350
3 DO RES Reserve 0.25–0.75 - -
4 DO RES Reserve 0.25–0.75 - -
5 DO CHP Digital output CHP 0.25–0.75 24 50
6 DO SCR Digital output for self-consump-
tion switch 0.25–0.75 24 50
7 DO GEN Reserve 0.25–0.75
8 DO RES Reserve 0.25–0.75 - -
9 DI 24V Supply voltage for digital inputs 0.25–0.75 24 50
10 DI 24V Supply voltage for digital inputs 0.25–0.75 24 50
11 DI FLAT Digital input for sonnenFlat 0.25–0.75 24 50
12 DI CHP
Digital input CHP
0.25–0.75 24 50
13 DI RES Reserve 0.25–0.75 - -
14 DI CEI0-21 E Digital input CEI 0-21 external sig-
nal 0.25–0.75 24 50
15 DI CEI0-21 L Digital input CEI 0-21 local signal 0.25–0.75 5 25
16 DI CEI0-21 T Digital input CEI 0-21 remote shut-
off 0.25–0.75 5 25
17 N.C. Reserve 0.25–0.75 - -
18 CEI 0-21 GND CEI 0-21 GND 0.25–0.75 0 50
19 ATS Reserve 0.25–0.75 - -
20 ATS GND Reserve 0.25–0.75 - -
Table 4: Technical data for digital inputs (DI) and outputs (DO)
PV red. 1 PV reduction 1 0.25–0.75 60 ( SELV ) 550
PV red. 2 PV reduction 2 0.25–0.75
60 ( SELV )
550
Table 5: Load capacity of relays for PV reduction
8.2 Connecting digital inputs/outputs
8.2.1 Implementing PV reduction
No external relays are needed for PV reduction, as the necessary relays are
already integrated in the central unit of the storage system.
NOTICE
Overloading of relays for PV reduction
Damage to relays on the central unit!
„
Only load the relays for PV reduction (PV red. 1 and PV red. 2) up to a max-
imum voltage of 60 V (
SELV ) and a maximum amperage of 550 mA.
7
When flexible single-conductor wires without end ferrules are used, conductor cross-sections of up to 1.5 mm² are possible.