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
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
