Electromec Engineering

L7C

L7C

The LS Electric L7C servo drive is a motion control drive that provides precise speed and position control to a servo motor. It features a Pulse, Analog Command Type that enables control through pulse signals or analog voltage signals. The drive supports multiple control modes and feedback options, allowing for accurate positioning and control. It is ideal for industrial applications such as robotics, automated assembly systems, and CNC machining.

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Features

  • Control Power/Main power unification
  • Unification of power for integrated control board and power board
  • 0.1~1kW Drive Line-up for single phase AC220V support
  • Optimal System implementation with competitive cost ratio
  • CE, RoHS Certificated
  • Unification of power for integrated control board and power board
  • Maintain and improve L7S specification
  • Compatibility with existing L7S I/O pin map
  • Maintain current control cycle (10kHz), speed/position control cycle (5kHz
  • Added operation mode (indexing mode) and improved memory (1MB)

Specification

Item \ Type Name L7CA001U L7CA002U L7CA004U L7CA008U L7CA010U
Input power Single phase AC200 ~ 230[V] (-15~+10%), 50~60[Hz]
Rated current[A] 1.4 1.7 3 5.2 6.75
Peak current[A] 4.2 5.1 9 15.6 20.25
Encoder type Quadrature (Incremental), Biss-B, Biss-C (Absolute, Incremental)
Control performance Speed Control Range Maximum 1:5000
Frequency Response Maximum 1[KHz] or above (When using 19Bit Serial Encoder)
Speed Variation Ratio ±0.01 [%] or lower [when load changes between 0 and 100%] ±0.1[%] or lower [temperature 25 ±10℃]
Accel/Decel Time Straight or S-curve acceleration/deceleration (0-10,000[ms], possible to be set by one[ms] unit)
Input frequency 1[Mpps], line driver / 200[kpps], open collector
Input Pulse Type Symbol + Pulse series, CW+CCW, A/B Phase
RS-422 Specification ANSI/TIA/EIA-422 standard specifications
Protocol MODBUS-RTU
Synchro Method Asynchronous
Power Consumption 100[mA]
Transmission Speed 9,600/19,200/38,400/57,600bps
Distance Maximum 200[m]
Terminating Resistance Connecting the outside connector (CN1 7Pin, 28Pin connection), Built-in 120Ω
EtherCAT Communication Specifications Digital Input Input voltage range : DC12V ~ DC24V Total 10 input channels (allocable)
Total 34 function’s input can be used selectively for assignment.   (*SV_ON, *SPD/LVSF1, *SPD2/LVSF2, *SPD3, *A-RST, *JDIR, *POT, *NOT,
*EMG, *STOP, START, REGT, HOME, HSTART, ISEL0, ISEL1, ISEL2, ISEL3, ISEL4, ISEL5, PCON, GAIN2, P_CL, N_CL, MODE, PAUSE, ABSRQ, JSTART, PCLR, AOVR, INHIBIT, EGEAR1, EGEAR2, ABS_RESET)
* Basic allocation signal
Digital Output Service rating : DC24V ±10%, 120mA
5 of 8 input channels are allocable, 3 channels are fixed with AL00, AL01, AL02 Total 19 function’s input can be used selectively for assignment.
(*ALARM, *READY, *ZSPD, *BREAK, *INPOS1, ORG, EOS, TGON, TLMT, VLMT, INSPD, WARN, INPOS2, IOUT0, IOUT1, IOUT2, IOUT3, IOUT4, IOUT5)
* Basic allocation signal
Analog Output 2 Channel
Analog speed input (Command/Overide) ±10V Analog torque input (Command/Limit) ±10V
USB Communication Connect PC
Communication Standard USB 2.0 full speed (Applies standard)
Specification PC, USB 2.0 Full Speed (Applies standard)
Internal Function Dynamic Braking Standard built-in brake (Activated when the servo alarm goes off or when the servo is off),
Regenerative Braking Both default built-in and external installation possible
Display Function 7 segments (5DIGIT)
Additional Function Gain tuning, alarm history, JOG operation, origin search
Protection Function Excessive current/voltage/overload/overheating/speed, excessive current limit, low voltage, encoder/position following/current sensing fail
Operation Operating Temperature / Storage Temperature 0~50℃ / -20 ~ 65℃
Operating Humidity / Storage Humidity Below80[%]RH / Below 90[%]RH(Avoid dew-condensation)
Environment Indoor, avoid corrosive, inflammable gas or liquid, and electrically conductive dust.


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