MOD GEN4 TOU Setup — Step-by-Step
Step 1 — Check Allow Grid Charge
Open Battery device → "Allow Grid Charge" select entity
Is it
Enabled?
No
Set to Enabled
(register 3049 = 1)
Yes
Step 2 — Set TOU Period Times
Time pickers: "TOU Period N Start / End"
Slots 1–9 available (skip gap at 3046–3049)
Step 3 — Set Priority & Enable Each Slot
"TOU Period N Priority" → Load / Battery / Grid
"TOU Period N Enable" → Enabled
Step 4 — Verify Persistence
Wait 60 s, re-read registers — values must hold
Values
persisted?
Yes
TOU Active
Setup complete
No
Re-check 3049
Cloud may be overriding
All writes use atomic FC16 (write_registers) — start + end in a single Modbus transaction