Hybrid/AC-coupled Inverter User Manual
© 2024 Hoymiles Power Electronics Inc. All rights reserved.
29
3.4.5 Communication Wiring Connection
Detailed pin functions of each port on the communication interface are as follows.
Label Description
Meter (485A, 485B) For the smart meter.
BMS (CANH, CANL, 485A, 485B) For Li-ion batteries, communication is via CAN or RS485.
DRM (D1/5, D2/6, D3/7, D4/8, COM, REF) For external Demand Response Enabling Device.
DI (IN+, IN-) Dry contact input of external bypass contactor.
Parallel (DI IN+, DI IN-, CANH, CANL, 485B_1, 485A_1,
485B_2, 485A_2)
For parallel operation.
120 Ohm (ON, OFF) 120 Ohm termination resistor for parallel operation.
DO1 (NO1, COM1)
Dry contact output. The DO1 can be set to one of the
functions as follows: Earth Fault Alarm, Load Control,
and Generator Control.
DO2 (NO2, COM2)
Dry contact output. The DO2 will control the bypass
contactor under certain logic.
To Next Page
Loading...
