Goodwe SEC1000 User Manual

07
Descriptions of internal communication ports of SEC1000 are as following.
Wire specication and installation: It is recommended to use shielded twisted pair cables with conductor area
≥AWG14 for 485 communication cables.
Port Description
POWER DC Power Input (Occupied)
NET Ethernet Interface
DI DRED or RCR functional interface
NC reserve
COM1 485 interface1 with Inverter
COM2 485 interface2 with Inverter
COM3 485 interface3 with Inverter
COM4 485 interface4 with SEC1000 internal Meter(Occupied)
Screw
Nut
Box
Cables
Screw cap
the
insulator
Single hole
seal ring
Line Function
1 RS485+
2 RS485-
RS485
communication
Broad
1
2
n
PV String Inverter
Router
Transformer
CT Cable
CT
AC
DC
DC
DC
AC
AC
Grid
LAN
RS485
RS485
3.4 SEC1000 Grid Connection Diagram

Goodwe SEC1000 Specifications

General

Brand	Goodwe
Model	SEC1000
Category	Controller
Language	English