EFC Series
Frequency Converter for Industry
A member of Rexroth AE product family
Universal Development Platform
asy integration to Rexroth
Automation Project
Overview
The Rexroth EFC series frequency converter is a product for the worldwide market.
Certification of CE, UL, cUL, RCM, EAC TUV, RoHs, etc.,
Consolidated sales and service is provided worldwide.
Main Features
► Normal duty/heavy duty operation. (Above 5.5KW)
► High performance vector and torque technology (EFC 5610).
► Low frequency oscillation suppression and start with speed capture. Inversion forbidden, low voltage ride-through and swing frequency function.
► Counter function and energy savings calculator.
► Pulse input (50 kHz) and pulse output (32 kHz).
► Over-excitation braking, to reduce braking times up to 50 %.
► 24 V auxiliary power output for external devices.
► Indraworks for fast commissioning and software update.
Synchronous Motor Drives
► Except asynchronous motor, EFC 5610 drives synchronous motor.
Built-in mains filter
► Complies with EN61800-3 category C3 requirements.
► Shielding motor cable length: 15m (up to 4 kW), 30 m 5.5…18.5 kW), 50m (30…90 kW), 75 m (110…160 kW).
► EMC filter can be disconnected by EMC screw.
► Built-in DC reactor of EFC 5610 30 kW and above.
Safety Torque off(STO)
► Class 0 cutoff refers to EN60204-1 standard, and got SIL3 certificate.
Up to 45 °C ambient temperature without derating
Additional communication options
► In addition to PROFIBUS DP and CANopen also a SERCOS III, PROFINET IO, Ethernet IP, Modbus TCP, EtherCAT are available. Especially, the Rexroth exclusive SERCOS III communication function Communication rate could be microsecond level.
Portfolio
EFC 3610 Universal FC
■ 1X AC 230V 0,4-2,2 kW 3X AC 400V 0,4-22 kW
■ V/F Control
■ Asynchronous Motor
■Overload Capacity：Heavy Load：150 %, 60 s; Light Load：120 %, 60 s
■Frequency Range: 0 k … 400 kHz
■Speed Range 1：50
■Start Torque: 3 Hz 150 % 1.5 Hz 100 %
EFC 5610 High Performance FC
■ 1X AC 230V 0,4-2,2 kW 3X AC 230V 0,4-11 kW
3X AC 400V 0,4-160 kW
■ V/F SVC FOC Control (Speed / Torque)
■ Asynchronous ，Synchronous Motor
■ Overload Capacity ：Heavy Load：150 %, 60 s; 200 %, 1 s Light Load：120 %, 60 s
■ Frequency Range: 0 k … 400 kHz
■ Speed Range 1：200
■ Start Torque :0.5Hz 200 %
Application Fields
HVAC – Fans, pumps, air conditioning
Energy savings calculator
► Keeps track of the achieved energy savings.
Life time reminder
► Reduces downtime by helping to organize the maintenance
schedule.
Speed tracing
► For smooth catching and restarting of a running fan.
Dry pump protection
► Automatically detects a dry running pump to protect the
equipment.
Pump cascading
► Use Application Specific Firmware and relay card,
4 maximum pumps could be circularly controlled by
frequency converter.
Textile and Dyeing – Heat setting stenter, twister, air-flow spinning
Smart cooling concept
► Double duct design isolates heat sink and semiconductor to prevent semiconductor from pollution.
► No cooling fan up to 1.5 kW and detachable cooling fan above 1.5 kW for cotton fiber easy clean.
Import PCBA coating
► Coating materials is made in Germany, enhanced anticorrosion in high temperature and humidity.
Low voltage ride-through
► Derating output when voltage reduced on power grid.
DC generatrix
► DC generatrix operation to reduce the technical influence from instable power supply, and save energy through load sharing.
Metal processing machinery – Lathe, grinder, drill, planer, borin
Compact design
► DIN rail and side by side mounting to save space.
High start torque
► To meet the process demand of high strength metal cutting, avoid overcurrent and overload during low speed operation .
Quick and dynamic response
► Accurate speed control for highly smoothness and quality especially for concavo-convex workpiece surface.
Over excitation braking
► Can help to reduce braking times up to 50 %, without an external break resistor.
Safety Torque off(STO)
► Frequency converter false tripping prevent for operation and maintenance safety.
Food and packaging – Conveyor, blow molding, blender, cutter, labeling
Quick connectors and DIN rail mounting (up to 7.5 kW)
► Quick and easy installation and maintenance.
Counter function
► Built-in Counter to realize the classification and packing of food & drink industry.
Removable control panel
► Parameter copy function for efficient commissioning of multiple drives.
► Remote panel support for convenient and safe monitoring and operation.
Integrated sequence control (16 steps)
► Multi-stage speed control without an additional PLC.
Rubber and plastic machinery – Scroll extruder, pelletizer, bagging
Compact design
► DIN rail mounting (up to 7.5 kW) and side by side mounting (up to 22 kW), to save cabinet space.
High start torque, 200 % at 0.5 Hz
► To ensure the extruder can start up and operate during the uneven heating temperature environment.
High control accuracy, fast dynamic response
► Precise control is to ensure the material thickness evenly, in order to save cost and ensure the quality of products.
Torque limit and slip compensation
► Especially used for constant output torque. Minimize the torque fluctuation and improve the extrusion process quality.
