Please follow below figure to assemble DRM connector.
2.5 COMM Port Connections
2.6 METER+DRY Port Connections
2. Install the waterproof component and screw on the waterproof sheath nut.
3. Open the external CT wiring port, the arrow points to the direction of the power grid, put the wire
into the external CT card slot, and buckle the buckle.
NOTE:
External CT should be placed near the power grid.
If CT test pass but inverter still can't achieve export power (power is not controllable or always
0 power output). Please check installation location of the CT.
2.4 DRED Port Connections (optional
，
only for DRM function)
DRED means demand response enable device. The AS/NZS 4777.2:2015 required inverter need to
support demand response mode (DRM). This function is for inverter that comply with AS/NZS
4777.2:2015 standard. Inverter is fully comply with all DRM. A 8P terminal is used for DRM
connection.
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User Manual
35
Figure 22: DRM connector
User Manual
Pin
Description
GND
+5V
Com/DRM 0
+5V
DRM 4/8
DRM 3/7
DRM 2/6
DRM 1/5
1
2
3
4
5
6
7
8
Pin
Description
+5V
GND
1
2
Pin
Description
RS485-B
RS485-A
3
4
Pin
Description
DRY contact
DRY contact
GND
1
2
3
Pin
Description
I/O
RS485-B
RS485-A
4
5
6
