Specifications Rated Input Voltage: 3-phase 208～480 VAC, 50/60Hz (±10% voltage tolerance) Auxiliary Control Power: External 24 VDC isolated power supply Continuous Output Current: 70 A (RMS) per phase Peak Output Current: 140 A (RMS), sustainable for max 5 seconds (200% short-time overload) Rated Input Capacity: 45 kVA DC Bus Voltage Range: 290～675 VDC, supports multi-drive DC bus parallel energy sharing PWM Switching Frequency: 8 kHz (16 kHz optional for low DC bus voltage) Built-in Safety Function: STO Safe Torque Off, SIL2 / PLd functional safety certification Control Command Mode: Fieldbus CSP/CSV/CST control, ±10V analog command, pulse/direction, electronic gearing following Built-in Protection: Soft start, overcurrent, overvoltage, undervoltage, phase loss, short-circuit, overtemperature, motor thermal monitoring, encoder fault protection Core Features: Regenerative energy feedback, automatic motor parameter identification, high-speed loop auto-tuning, encoder emulation output Communication & Feedback Configuration Onboard Fieldbus: EtherCAT, Ethernet/IP, PROFINET; Optional expansion: SERCOS III, CANopen, PROFIBUS Debug Interface: RS232 serial port for parameter configuration, online debugging, fault diagnosis and firmware upgrade Digital I/O: 4 programmable isolated digital inputs, 4 programmable isolated digital outputs; expandable to 14DI/8DO via I/O expansion card Supported Feedback Types: Resolver, TTL incremental encoder, 1Vpp sine/cosine encoder, Hiperface, Hiperface DSL, EnDat 2.2, BiSS absolute encoder Max Encoder Cable Length: Up to 100m for resolver, max 50m for digital absolute encoder Mechanical & Environmental Specifications Protection Class: IP20 (cabinet installation required) Mounting Method: Vertical cabinet panel mounting, forced air cooling required Operating Ambient Temperature: 0 ℃ ~ +55 ℃ (power derating 5% per 1000m above 1000m altitude; derating needed above 40℃) Storage & Transportation Temperature: -20 ℃ ~ +70 ℃ Ambient Humidity: 5%~95% RH, non-condensing, free of corrosive gas and conductive dust Certifications: CE, UL, cUL compliant