Description
Emerson SP6401‑EZ
Technical Specifications
- Input Power: Three‑phase AC
- Control Mode: Open‑loop vector control, closed‑loop vector control
- 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 control cabinet installation
- Built‑in short‑circuit, overcurrent, overvoltage, undervoltage, overtemperature and motor overload protection
- Support multiple fieldbus communication options
Functional Features High‑performance digital signal processor executes motor vector control algorithm to realize high‑precision speed regulation.
IGBT power module converts fixed frequency AC input into variable frequency and variable voltage AC output to drive three‑phase motor.
Multiple hardware protection circuits monitor drive and motor operating state continuously.
Built‑in programmable logic function supports simple on‑site logic control without additional PLC.
Front panel keypad and display unit realize local parameter setting and running status viewing.
Supports multiple industrial communication protocols for data interaction with upper control system.
Fan cooling design ensures stable heat dissipation under continuous heavy load operation.
Application Scenarios Industrial automation production lines, conveyor systems, fans, water pumps, extruders and material handling equipment in manufacturing, chemical, food and beverage industries.
It controls rotating speed of three‑phase asynchronous motors for energy saving and process speed regulation.
Performance Parameters Vector control algorithm maintains stable speed accuracy under variable load condition.
Power drive circuit outputs stable variable frequency three‑phase power.
Protection circuit triggers protection action 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 condition.
Material Composition Flame‑retardant plastic front panel with keypad and display screen.
Metal base and metal heat sink.
Multi‑layer glass‑fiber epoxy printed circuit board for control circuit.
IGBT power semiconductor modules, drive chips, sampling resistors and capacitors.
Cooling fan assembly.
Structural Features Vertical cabinet mounting structure, suitable for installation inside electrical control cabinet.
Front panel with operation keypad and digital status display screen.
Internal large metal heat sink for power module heat dissipation.
Cooling fan installed at bottom of heat sink for forced air cooling.
Terminal area at bottom of drive 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 main circuit of drive through power terminals.
Rectifier circuit converts alternating current into direct current stored in DC bus capacitors.
IGBT inverter module converts DC bus power into variable frequency and variable voltage three‑phase alternating current according to control instruction.
The variable frequency AC power outputs to three‑phase 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 the drive vertically inside control cabinet on rigid mounting plate.
Reserve sufficient upper and lower air gap for cooling air circulation.
Separate power cables and 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 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.
