LS-Electric L7S Servo Drive

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LS-Electric L7S Servo Drive image

The LS-Electric L7S Servo Drive is a high-performance motion control drive designed for precise speed and position control of servo motors.

Manual
  • Easy to USE
    • Easy Gain Tuning with Automatic Inertia Estimating Function
    • Easy Setting Built-in Panel Operator
    • Many I/O Contacts and Various Functions
      (Digital Input: 10 contacts, Digital Output:8 contacts / Analog input, output : 2 contacts) ]
  • Reliability for Protection Function
    • CE, RoHS Certificated
    • Drive Protection Function and Warn Function
  • High Response for Precision Control
    • High Resolutions Serial type Encoder (19Bit, BiSS)
    • Improved Speed Response (≒1Khz) Frequency

The L7S Servo Drive is suitable for a wide range of industrial applications, including:

  • Robotics: Industrial robots, robotic arms, and automated guided vehicles (AGVs)
  • Packaging: Packaging machines, labeling machines, and material handling systems
  • Textile: Weaving machines, knitting machines, and textile processing equipment
  • Machine Tools: CNC machines, milling machines, and turning machines

LS-Electric L7S Servo Drive is a versatile and cost-effective solution for precise motion control applications, offering a balance of performance and affordability.

L7SA
Item \ Type NameL7SA001ㅁL7SA002ㅁL7SA004ㅁL7SA008ㅁL7SA010ㅁL7SA020ㅁL7SA035ㅁL7SA050ㅁL7SA075BㅁL7SA150Bㅁ
Input PowerMain Power Supply3 Phase AC200 ~ 230[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Control Power SupplySingle Phase AC200 ~ 230[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Rated Current[A]1.41.73.05.26.7513.516.73239.476
Peak Current[A]4.25.19.015.620.2540.550.19698.5190
Encoder TypeQuad. Type Incremental Line Driver 2,000~10,000[P/R] Serial Type 18Bit(100WC M8 only), 19bit, 20bit(DD motor only)
Control PerformanceSpeed ControlSpeed Control RangeMaximum 1: 5000
Frequency ResponseMaximum 1 [kHz] or above (When using 19bit Serial Encoder
Speed CommandDC -10 [V]~+10 [V] (Reverse rotation in case of negative voltage)
Accel/Decel TimeStraight or S-curve acceleration/deceleration (0-10,000 [ms], possible to be set by one [ms] unit)
Speed Variation Ratio±0.01 [%] or lower [when load changes between 0 and 100%] ±0.1[%] or lower [temperature 25 ±10°C]
Position ControlInput Frequency1[Mpps], Line Driver / 200[kpps], Open Collector
Input Pulse TypeSymbol + Pulse Series, CW+CCW, A/B Phase
Electric Gear RatioFour digital gear ratios can be set, selected and tuned.
Torque ControlTorque CommandDC-10~+10 [V] (Reverse direction torque in case of negative voltage)
Speed LimitDC 0~10 [V], internal speed command within ±1[%]
Repetition accuracyWithin ±1[%]
Input/Output SignalAnalog InputInput RangeDC -10 ~ 10[V]
Resolution12[bit]
Analog OutputOutput RangeDC -10 ~ 10[V]
Resolution12[bit]
Digital InputTotal 10 Input Channels(assignment available)
SVON, SPD1, SPD2, SPD3, ALMRST, DIR, CCWLIM, CWLIM, EMG, STOP, EGEAR1, EGEAR2, PCON, GAIN2, P_CLR, T_LMT, MODE, ABS_RQ, ZCLAMP
Above 19 functions can be used selectively for assignment Signal can be set as positive logic or negative logic
Digital OutputTotal 5 Channels(assignment available), 3 Channels(set as alarm code)
ALARM, READY, ZSPD, BRAKE, INPOS, TLMT, VLMT, INSPD, WARN
Above 9 outputs can be used selectively for assignment Signal can be set as positive logic or negative logic
CommunicationRS-422Accessible to PC software and the RS422 server
USBStatus monitoring, JOG operation, parameter upload/download are available with PC Software
EncoderSerial BiSS encoder and quadrature encoder supported
Encoder Output TypeRandom pre-scale output through FPGA (maximum 6.4 Mpps)
Built-in functionsDynamic BrakingStandard built-in (activated when the servo alarm goes off or when the servo is off)
Regenerative BrakingBoth default built-in and external installation possible
DisplaySeven segments (5 DIGIT)
Setting FunctionLoader (SET, MODE, UP, and [DOWN] keys)
Additional FunctionAuto gain tuning, phase Z detection, manual JOG operation, program JOG operation, automatic analog input calibration
Protective FunctionOvercurrent, overload, overvoltage, insufficient voltage, main power input problem, control power input problem, overspeed, motor cable, overheat(power module overheat, abnormal drive operation’s temp), encoder problem, over-regenerative, sensor problem, communication problem
Operation EnvironmentOperating Temperature / Storage Temperature0 ~ 50[°C] / -20 ~ 70[°C]
Operating Humidity / Storage HumidityBelow 80[%]RH / Below 90[%]RH(avoid dew-condensation)
EnvironmentIndoor, Avoid corrosive, inflammable gas or liquid, and electrically conductive dust.

* L7SA075, L7SA150 models are not applicable to incremental type.

L7SB
Item \ Type NameL7SB010BL7SB020BL7SB035BL7SB050BL7SB075BL7SB150B
Input PowerMain Power Supply3 Phase AC380 ~ 480[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Control Power SupplySingle Phase AC380 ~ 480[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Rated Current[A]3.7810.117.522.839
Peak Current[A]11.12430.352.55797.5
Encoder TypeSerial 17bit, 19bit, 21bit
Control PerformanceSpeed ControlSpeed Control RangeMaximum 1: 5000
Frequency ResponseMaximum 1 [kHz] or above (when the 19-bit serial encoder is applied)
Speed CommandDC -10 [V]~+10 [V] (Reverse rotation in case of negative voltage)
Accel/Decel TimeStraight or S-curve acceleration/deceleration (0-10,000 [ms], possible to be set by one [ms] unit)
Speed Variation Ratio±0.01 [%] or lower [when load changes between 0 and 100%], ±0.1[%] or lower [temperature 25 ±10°C]
Position ControlInput Frequency1[Mpps], Line Driver / 200[kpps], Open Collector
Input Pulse TypeSymbol + pulse series, CW+CCW, A/B phase
Electric Gear RatioFour digital gear ratios can be set, selected and tuned.
Torque ControlTorque CommandDC-10~+10 [V] (Reverse direction torque in case of negative voltage)
Speed LimitDC 0~10 [V], internal speed command within ±1[%]
Repetition accuracyWithin ±1[%]
Input/Output SignalAnalog InputInput RangeDC 0 ~ 10[V]
Resolution12[bit]
Analog OutputOutput RangeDC 0 ~ 10[V]
Resolution12[bit]
Digital InputA total of 10 input channels (allocable)
SVON, SPD1, SPD2, SPD3, ALMRST, DIR, CCWLIM, CWLIM, EMG, STOP, EGEAR1, EGEAR2, PCON, GAIN2, P_CLR, T_LMT, MODE, ABS_RQ, ZCLAMP You can selectively allocate a total of 19 functions.
You can set the positive/negative logic of the selected signal.
Digital OutputA total of 5 channels (allocable), 3 channels (fixed with alarm codes) ALARM, READY, ZSPD, BRAKE, INPOS, TLMT, VLMT, INSPD, WARN You can selectively allocate a total of nine kinds of output. You can set the positive/negative logic of the selected signal.
CommunicationRS-422Accessible to PC software and the RS422 server
USBStatus monitoring through PC software, JOG operation, and parameter uploading/downloading are possible.
EncoderSerial BiSS encoder and quadrature encoder supported
Encoder Output TypeRandom pre-scale output through FPGA (maximum 6.4 Mpps)
Built-in functionsDynamic BrakingStandard built-in (activated when the servo alarm goes off or when the servo is off)
Regenerative BrakingBoth default built-in and external installation possibleExtemal installation Possible
DisplaySeven segments (5 DIGIT)
Setting FunctionLoader (SET, MODE, UP, and [DOWN] keys)
Additional FunctionAuto gain tuning, phase Z detection, manual JOG operation, program JOG operation, automatic analog input calibration
Protective FunctionOvercurrent, overload, overvoltage, voltage lack, main power input error, control power input error, overspeed, motor cable, heating error (power module heating, drive temperature error), encoder error, excessive regeneration, sensor error, communication error
Operation EnvironmentOperating Temperature / Storage Temperature0 ~ 50[°C] / -20 ~ 70[°C]
Operating Humidity / Storage HumidityBelow 80[%]RH / Below 90[%]RH(avoid dew-condensation)
EnvironmentIndoor, avoid corrosive, inflammable gas or liquid, and electrically conductive dust.