Description
Emerson SP5402‑HF
Technical Specifications
- Input Power: Three‑phase AC
- Control Mode: Open‑loop vector control, closed‑loop vector control
- High‑frequency output capability for high‑speed motor
- Overload Capacity: 150% rated current for 60 seconds
- Operating Ambient Temperature: 0℃ ~ 40℃
- Storage Temperature: -40℃ ~ 70℃
- Relative Humidity: 5% ~ 95%, non‑condensing
- Protection Grade: IP20 for cabinet installation
- Built‑in overcurrent, overvoltage, undervoltage, overtemperature and motor overload protection
Functional Features High‑performance digital signal processor executes high‑speed vector control algorithm for high‑frequency motor control.
High‑frequency IGBT power module outputs high‑frequency three‑phase AC power for high‑speed spindle motor.
Built‑in multiple protection circuits monitor drive and motor operating state continuously.
Programmable logic function supports simple local logic control.
Front panel keypad and display realize local parameter setting and fault status viewing.
Supports multiple industrial communication buses for connection with upper control system.
Forced air cooling design ensures heat dissipation under high‑frequency continuous operation.
Application Scenarios High‑speed machine tool spindles, high‑speed grinding equipment, high‑speed centrifugal machinery and special high‑speed processing automation equipment.
It provides high‑frequency variable frequency power supply for high‑speed AC motors to realize high‑speed rotation regulation.
Performance Parameters Control algorithm maintains stable speed control accuracy under high‑frequency working condition.
Power module outputs stable high‑frequency three‑phase power.
Protection circuit responds immediately once abnormal electrical parameters are detected.
Communication interface maintains reliable data exchange with upper control system.
Drive keeps stable continuous operation under rated ambient temperature and load.
Material Composition Flame‑retardant plastic front panel with keypad and digital display.
Metal base and large metal heat sink.
Multi‑layer glass‑fiber epoxy printed circuit board for control circuit.
High‑frequency IGBT power semiconductor modules, sampling components and capacitors.
Cooling fan assembly.
Structural Features Vertical cabinet mounting structure for installation inside electrical cabinet.
Front panel equipped with operation keypad and digital display screen.
Rear large metal heat sink for power module heat dissipation.
Cooling fan at bottom of heat sink for forced air cooling.
Terminal area at bottom for power cable and control signal cable wiring.
Internal isolation barrier separates high‑power main circuit and low‑voltage control circuit.
Working Principle Three‑phase AC mains power enters drive main circuit through power terminals.
Rectifier circuit converts alternating current into direct current stored in DC bus capacitors.
High‑frequency IGBT inverter module converts DC power into high‑frequency variable frequency and variable voltage three‑phase AC power according to control instruction.
High‑frequency AC power outputs to high‑speed motor to adjust motor rotating speed.
Control processor collects motor current and voltage signals continuously, executes vector control algorithm and adjusts inverter output state in real time.
Protection circuit monitors current, voltage and internal temperature of drive. When abnormal condition occurs, drive stops output and triggers fault alarm.
Installation Requirements Mount drive vertically on rigid mounting plate inside control cabinet.
Reserve sufficient air gap at upper and lower side for cooling air circulation.
Separate main power cables and low‑voltage control signal cables, use shielded cable for encoder and communication wiring.
Install input circuit breaker and AC reactor according to power specification.
Complete motor parameter self‑tuning and high‑frequency control parameter configuration after hardware installation.
Precautions for Use Cut off main power supply and wait for DC bus capacitor discharge before opening drive cover.
Do not block air inlet and air outlet of cooling fan.
Check fan running state and heat sink dust accumulation during regular maintenance.
Do not connect motor load exceeding drive rated capacity.
Do not disassemble power module and internal control circuit.
