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Disable Mode 8 Export First PV Limit Clamp by Default #1731

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Disable Mode 8 Export First PV Limit Clamp by Default #1731

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ea75baa
Default Disable New Mode 8 Export First PV Limit Clamp
TCWORLD Nov 15, 2025
4783c9b
Fix Debug Log of Disabled Clamp Target
TCWORLD Nov 15, 2025
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18 changes: 12 additions & 6 deletions custom_components/solax_modbus/plugin_solax.py
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Original file line number Diff line number Diff line change
Expand Up @@ -513,12 +513,18 @@ def autorepeat_function_powercontrolmode8_recompute(initval, descr, datadict):
rest_for_batt = max(0, surplus - export_target)

desired_charge, bms_cap_w, pct_cap_w = autorepeat_bms_charge(datadict, battery_capacity, max_charge_soc, rest_for_batt)
pushmode_power = -desired_charge

# PV clamp block
export_hysteresis_w = int(datadict.get("export_first_export_hysteresis_w", 100) or 100)
pv_clamp_target = max(0, hl + export_within_cap + max(0, desired_charge) - export_hysteresis_w)
pvlimit = min(pvlimit, pv_clamp_target)
pushmode_power = -desired_charge # desired_charge is >= 0, negate as -ve pushmode power means charge.

# PV clamp blocks disabled by default unless explicitly enabled while under development.
if datadict.get("export_first_clamp_enabled", False):
# PV clamp block
export_hysteresis_w = int(datadict.get("export_first_export_hysteresis_w", 100) or 100)
pv_clamp_target = max(0, hl + export_within_cap + desired_charge - export_hysteresis_w)
pvlimit = min(pvlimit, pv_clamp_target)
else:
# Don't clamp, use full PV limit (set variable for logging).
pv_clamp_target = pvlimit

_LOGGER.debug(
f"[Mode8 Export-First] export-first: surplus={surplus}W export_target={export_within_cap}W rest={rest_for_batt}W "
f"bms_cap≈{bms_cap_w}W pct_cap={pct_cap_w}W -> charge={desired_charge}W (margin={export_margin_w}W) pv_clamp_target={pv_clamp_target}W hl={hl}W"
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