Sungrow SG250HX-IN-20, Руководство пользователя

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10.2 Wring Distance of DI Dry Contact
The maximum wiring distance of DC dry contact must meet the requirements in the
table below. The wiring distance L is the total length of all DI signal cables.
L
K
refers to the cable length between the DI dry contact terminal of the k th inverter and
the corresponding terminal of the (k-1) th inverter.
Table 10-1 Correspondence between number of inverters and maximum wiring distance
N Nu um mb be err o off
iin nvve errtte err
M Ma axxiim mu um m w wiirriin ng g d diisstta an nc ce e((u un niitt::m m))
1 16 6A AW WG G // 1 1..3 31 1m mm m 2 2 1 17 7A AW WG G // 1 1..0 02 26 6m mm m 2 2
1 13030 10552
2 6515 5276
3 4343 3517
4 3258 2638
5 2606 2110
6 2172 1759
7 1861 1507
8 1629 1319
9 1448 1172
10 1303 1055
11 1185 959
12 1086 879
13 1002 812
14 931 754
15 869 703
16 814 660
17 766 621
18 724 586
19 686 555
20 652 528
21 620 502
22 592 480
User Manual 10 Appendix