Fox ESS

This integration guide is compatible with the following Fox ESS inverters:

• H1-G2

• H1-G2-WL

• H3-Smart

• P3-Smart

1. Modbus support

1.1 Invertertype H1-G2 and H1-G2 WL

1.1.1 Modbus RTU

Use connector E

1.1.2 Modbus TCP

if modbus TCP then connect lan cable to N.

1.2 Invertertype H3-Smart and P3-Smart

  1.2.1 Modbus RTU

 If via modbus 485, then connector L,

1.2.2 Modbus TCP

if modbus TCP then connect lan cable to G.

2. Firmware upgrade

https://www.youtube.com/watch?v=UnjlQ30CzaA

2.1 Minimum version firmware to be sunspec compliant

• H1-G2, H1-G2-WL must be above Master 1.40, Manager 1.25

• H3-Smart, P3-Smart must be above Master 1.28， Manager 1.16

2.2 Activate sunspec

Yes, via LCD screen or Cloud

2.2.1 via LCD

Setting protocol
Setting->communication->RS485->Protocol Type-> Prot-S

Setting protocol address

Setting->communication->RS485->device id

2.2.2 via Cloud