• Pin definition.
Function
CT
Pin
Pin Definition
CT+
*Note: DRM0 here is for AS4777.2 AU/NZ .
For RS485.
RS485 port of
the inverter
• For meter.
i. For meter with CT
Electrical grid
Heat
DRM
pump
1
2
Heat
DRM0
Pump-
RS485 to USB
Single Phase meter
bidirectional
L
N
*The meter used should be provided by SolaX.
RS485/
RS485/
Meter
Meter
3
4
485_A
485_B
Inverter
CT
Heat
DRM
pump
5
6
Heat
+3.3V
Pump+
USB port of the
computer
CT
7
8
CT-
Load
63