Sungrow SH3K6 - Page 110

11 Appendix IV: Power Response User Manual
102
NO.
Interface
SPI Function
1
Ethernet
Receive external signal/command to change the
frequency protection parameters or shutdown the
inverter. See “6.5.1 Ethernet Connection“ for the
cable connection.
2
RefGen,
Com/DRM0
Shortly connecting the two terminals will change the
frequency protection parameters. See Fig. 11-8.
3
A1, B1
Receive external command to shutdown the inverter
remotely. See Fig. 11-9.
The following figure shows the cable connection to external device.
Cross-section: 2*0.5 mm², cable diameter: 3 mm...5.3 mm
5 mm
–
7mm
40 mm
–
50 mm
DRM
RefGen
Com/DRM0
Fig. 11-8 RefGen and Com/DRM0 Connection
5mm
–
7mm
40 mm
–
50mm
A1
B1
485
Fig. 11-9 RS485 Connection to External Device
Note:
For reconnection, press the part as shown in the red circle so as to pull out the
cable.
Local Control
In this mode, the inverter is in the absence of a communication “always on”
prepared by the distributor. Through the local control via RefGen and
Com/DRM0 terminals: