Enter the server address, then sign up or log in with your email and password. After login you can link each EMS board to a site.
Server address
Email
Password
Use the same server URL your Node-RED cloud API is running on.
Navigation
Site linking stays in the cloud, and live inverter write actions are available here while the EMS is online.
Active Site● Live
☀
PV
-- kW
Solar production
⚡
GRID
-- kW
Import / export
GRID TIE
🗼
-- kW
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🔋
BATTERY
-- kW
SOC: -- %
🏠
LOAD
-- kW
Client site load
▣
HIGHON EMS
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State: --
Mode: --
Battery: --
Fault: NO
Power flowIdle path
Energy Curve
kW (left) and SOC% (right)
Site Setup
Live mirror of the EMS local Ethernet site setup for the selected board.
Site Information
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MQTT → Node-RED → /ems/latest
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Cloud Account
Not signed in
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Add EMS Board To Site
After login, enter only the EMS sticker ID, for example HO-00001. The cloud converts it to ems/highon/<ID>/status automatically and will sync the linked site name to the EMS local name when live telemetry is available.
Manage Linked Site
No site selected
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Shared users can view and edit this same site from their own account. Use Save Site Details to repair a missing board link or rename the selected site.
EMS Site Setup Mirror
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Site linking, renaming, sharing and removal stay here in the cloud page. Remote inverter control is available from the Inverter Setting tab whenever the EMS is online.
History
History store: local browser storage on this PC.
Inverter Setting
Live cloud control of core inverter settings and limits.
Relay Functions
Cloud relay controls with EMS confirmation, timeout handling, and saved auto-relay configuration.
Relay Control
Control local relay outputs from the EMS relay API. No optimistic success.
Loading relay state...
Relay test stopped.
Automatic Relay Close Conditions (Relay 1)
Uses local measurements only. No inverter register map changes.
Enable Auto Relay
Close On PCS/HPS Fault
Generator SOC Mode
SOC Close Threshold (%)
SOC Release Threshold (%)
Load kW Mode
Load Close Threshold (kW)
Load Release Threshold (kW)
Loading auto relay settings...
Battery Page
Battery summary from live MQTT telemetry.
Com Debug
Live RS485 Modbus transactions - last 40 frames. Auto-refreshes every second.
Time (ms)
Slave
FC
Start Reg
Count
Status
TX Frame
RX (first 32B)
RX Len
Waiting for data...
ATESS Faults
Read fault records directly from the PCS inverter.
Ready
Sequence
Fault Code
Current Value
Voltage Value
No read performed yet.
PV
Detailed data for selected item
Waiting for live data...
Remote inverter setting
Enter a new value to send to the EMS.
Access Inverter Settings
Enter the password to access and modify inverter settings.