Hybrid Inverter User Manual
© 2022 Hoymiles Power Electronics Inc. All rights reserved.
20
Step 4
• Fix all cables to the corresponding
terminals with a torque of 1.2
N•m, according to markings on
the connector with a screwdriver.
Make sure the L/N/PE are correctly
assembled.
• Assemble the parts in sequence.
6
1
4
5
3
2
4
M4
1.2 N·m
1
2
L
N
PE
Step 5
• Tighten the waterproof terminal
clockwise.
• Connect the EPS connectors to the
inverter, and tighten it firmly.
1
2
5
3.3.5 Communication Wiring Connection
Detailed pin functions of each port on the communication interfaces are as follows.
Label
Description
Meter (485A, 485B)
For the Smart Meter.
BMS (CANH, CANL, 485A, 485B)
For Li-ion battery communication via CAN or RS485.
DRM (D1/5, D2/6, D3/7, D4/8, REF, COM)
For external Demand Response Enabling Device.
DI (IN-, IN+)
Dry-contact input of external bypass contactor.
Parallel (DI IN+, DI IN-, CANH, CANL, 485A_1, 485B_1,
485A_2, 485B_2)
For parallel operation.
120 Ohm (ON, OFF)
120 Ohm termination resistor for parallel operation.
DO1 (NO1, COM1)
Dry-contact output. The DO1 will control the bypass
contactor under certain logic.
DO2 (NO2, COM2)
Dry-contact output. The DO2 can be set to one of the
functions as follows: Earth Fault Alarm, Load Control,
Backup Load Smart Control and Generator Control.
