layout_version Modbus register layout version; verify before using version-dependent registers. | 4 | FC04 | uint16 | | R |
charging_state Current IEC 61851-1 charging state between vehicle and wallbox. | 5 | FC04 | uint16 | | R |
current_l1 RMS charging current on phase L1, in amperes. | 6 | FC04 | uint16 | A | R |
current_l2 RMS charging current on phase L2, in amperes. | 7 | FC04 | uint16 | A | R |
current_l3 RMS charging current on phase L3, in amperes. | 8 | FC04 | uint16 | A | R |
temperature_pcb Internal PCB temperature of the wallbox electronics. | 9 | FC04 | uint16 | °C | R |
voltage_l1 RMS line-to-neutral voltage on phase L1, in volts. | 10 | FC04 | uint16 | V | R |
voltage_l2 RMS line-to-neutral voltage on phase L2, in volts. | 11 | FC04 | uint16 | V | R |
voltage_l3 RMS line-to-neutral voltage on phase L3, in volts. | 12 | FC04 | uint16 | V | R |
extern_lock_state Status of the external hardware lock input; overrides remote lock. | 13 | FC04 | uint16 | | R |
active_power Total active power currently drawn by the connected vehicle, in watts. | 14 | FC04 | uint16 | W | R |
active_production_energy Cumulative energy delivered since wallbox commissioning, in watt-hours. | 17 | FC04 | uint32 | Wh | R |
heidelberg_energy_session Energy drawn by the vehicle since the last wallbox power-on, in watt-hours. | 19 | FC04 | uint32 | Wh | R |
raw_maximal_current Hardware-configured maximum allowable charging current, in amperes. | 100 | FC04 | uint16 | A | R |
raw_minimal_current Hardware-configured minimum allowable charging current, in amperes. | 101 | FC04 | uint16 | A | R |
watchdog_timeout_a Current watchdog timeout value; triggers failsafe if Modbus traffic stops. | 257 | FC03 | uint16 | s | R |
watchdog_timeout_b Watchdog timeout setpoint; write to configure or disable the Modbus watchdog. | 257 | FC16 | uint16 | s | W |
remote_lock_a Current remote lock state; 0 means wallbox is locked via Modbus. | 259 | FC03 | uint16 | | R |
remote_lock_b Remote lock setpoint; write 0 to lock, 1 to unlock charging via Modbus. | 259 | FC16 | uint16 | | W |
set_charging_current_a Currently active charging current limit setpoint, in amperes. | 261 | FC03 | uint16 | A | R |
set_charging_current_b Charging current limit setpoint; write to command maximum charge current. | 261 | FC16 | uint16 | A | W |
failsafe_current_a Current failsafe current value applied on watchdog timeout, in amperes. | 262 | FC03 | uint16 | A | R |
failsafe_current_b Failsafe current setpoint; charging falls back to this if Modbus communication is lost. | 262 | FC16 | uint16 | A | W |
phase_switch_control_a Current phase switching mode; single-phase or three-phase operation. | 501 | FC03 | uint16 | | R |
phase_switch_control_b Phase switch setpoint; write to command single-phase or three-phase charging. | 501 | FC16 | uint16 | | W |