Technical Parameters (TD3100) Model Series: TD3100 Product Type: Elevator/Lift Vector Control AC Drive Control Mode: Closed-Loop Vector Control (with encoder feedback) Motor Types Supported: Asynchronous induction motors (geared and gearless) Synchronous permanent magnet motors (gearless) Power Range: 2.2 kW to 55 kW (3 HP to 75 HP) typical Input Voltage: 3-phase, 380V to 460V AC ±10% (50/60 Hz) Input Frequency: 50/60 Hz ±5% Output Voltage: 3-phase, 0 to rated input voltage Output Frequency: 0 to 120 Hz (standard, extendable) Overload Capacity: 150% for 60 seconds; 180% for 10 seconds Starting Torque: 150% at 0Hz (with encoder feedback) Speed Control Accuracy: ±0.01% (with encoder feedback) Speed Control Range: 1:1000 (with encoder feedback) Braking: External braking unit compatible (terminals provided) Elevator-Specific Functions: Pre-torque before brake release Automatic floor leveling S-curve acceleration/deceleration Inspection/jog mode Emergency rescue operation Multiple floor speed profiles Door control interface Digital I/O: Dedicated elevator inputs/outputs (floor signals, limit switches, door zone, brake control) Analog I/O: Speed reference inputs (0-10V, 4-20mA) Feedback Interfaces: Incremental encoder (TTL/HTL), resolver (optional) Communication: RS485 with MODBUS RTU; Optional fieldbus modules Protection Features: Overvoltage / Undervoltage Overcurrent / Short circuit Motor overload / Drive overload Ground fault Overtemperature Encoder fault detection Protection Class: IP20 (NEMA 1) typical Operating Temperature: -10°C to +40°C (derating above 40°C) Cooling Method: Forced air cooling Standards: CE, UL (pending), ISO9001, GB/T 24478-2009 (Elevator drive standard)