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EtherCAT Fully Closed - L7NHF

High Quality Products

LS Electric L7NHF Serie – Servo Drive

The LS Electric L7-series Servo Drives visualizes the perfect solution for optimal drives and applications. Its high-performance vector, precision and speed control are user-friendly and cost-effective.

The L7-series provides various functions-backup, network diagnosis, monitoring and built-in functions focused on improving efficiency or a convenient and quick installation and use.

The L7NHF variant enables flexible control of servo motors from various manufacturers in real time with EtherCAT in a fully closed configuration.

Servo Drives - All-in-One EtherCAT Fully Closed Loop: features & benefits

Real-time control trough EtherCAT with improved communication speed (Min.250us, DC support)
High speed, Real-time capability and synchronization mechanism
Manufacture independent servo motor control, support for all industrial servo motors
Switch among semi-closed loop, fully closed loop and dual feedback control
Fully-closed loop control ensures high-precision control and provides quick response with internal and external encoder position values






Technical specifications & more info

Technical specifications

Power supply3~ AC 200V
3~ AC 400V
Power range (kW)1.0 - 7.5
CommunicationEtherCAT, USB 2.0
Communication connector2x RJ45
Communication SpecificationsFoE (Firmware download), EoE (Parameter setting by UDP Tuning, Secondary function, Parameter copy), CoE (IEC 61158 Type12, IEC 61800-7 CIA 402 Drive profile)
Cia402 Drive ProfileCyclic Synchronous, Position Mode, Cyclic Synchronous, Velocity Mode, Cyclic Synchronous, Torque Mode, Homing Mode
1st Encoder OptionsQuadrature (Incremental), Biss-B, Biss-C (Absolute, Incremental), Tamagawa Serial(Absolute, Incremental), EnDat 2.2 Sinusoidal, Analog Hall
2st Encoder OptionsQuadrature (Incremental), SSI, Sinusoidal, Analog Hall (Analog to BiSS converter)
Frequency ResponseMaximum 1[KHz] or above (When using 19Bit Serial Encoder)
Digital inputDC12V ~ DC24V 6 assignable input channels
Digital outputDC24V ±10%, 120mA 3 assignable output channels
Analog Output2 assignable output channels
Safety Function2 Input Channels (STO1, STO2), 1 Output Channels (EDM±)
Dynamic BrakingStandard built-in brake (Activated when the servo alarm goes off or when the servo is off),
Regenerative BrakingBoth default built-in and external installation possible
Display Function7 segments (5DIGIT)
Additional FunctionAuto gain tuning function
Protection FunctionOvercurrent, overload, overvoltage, insufficient voltage, overspeed, overheat(power module overheat, abnormal drive operation’s temp), encoder problem, position tracking problem, current sensing problem


Not available

Optional features

Not available

Inquire availability

Repair & Maintenance

Is a current component or drive system in need of maintenance or repair? BEGE has extensive knowledge of a wide variety of drives and systems. We guarantee a rapid resumption of operational procedures.

Contact our support department

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