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L7S

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L7S

The LS Electric L7S servo drive is a motion control drive that provides accurate speed and position control to a servo motor. It features a Pulse, Analog Command Type that allows for control of the motor through either pulse signals or analog voltage signals. This flexibility makes it easy to integrate into existing systems, and it supports multiple control modes and feedback options for accurate positioning and control. It is a versatile solution for a range of industrial applications, including robotics, automated assembly systems, and CNC machining.

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Features

  • Easy to USE
  • Easy Gain Tuning with Automatic Inertia Estimating Function
  • Easy Setting Built-in Panel Operator
  • Many I/O Contacts and Various Functions
  • Improved Speed Response(≒1kHz) Frequency

    • (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

Specification

L7SA

Item \ Type Name L7SA001ㅁ L7SA002ㅁ L7SA004ㅁ L7SA008ㅁ L7SA010ㅁ L7SA020ㅁ L7SA035ㅁ L7SA050ㅁ L7SA075Bㅁ L7SA150Bㅁ
Input Power Main Power Supply 3 Phase AC200 ~ 230[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Control Power Supply Single Phase AC200 ~ 230[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Rated Current[A] 1.4 1.7 3.0 5.2 6.75 13.5 16.7 32 39.4 76
Peak Current[A] 4.2 5.1 9.0 15.6 20.25 40.5 50.1 96 98.5 190
Encoder Type Quad. Type Incremental Line Driver 2,000~10,000[P/R] Serial Type 18Bit(100WC M8 only), 19bit, 20bit(DD motor only)
Control Performance Speed Control Speed Control Range Maximum 1: 5000
Frequency Response Maximum 1 [kHz] or above (When using 19bit Serial Encoder
Speed Command DC -10 [V]~+10 [V] (Reverse rotation in case of negative voltage)
Accel/Decel Time Straight 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 Control Input Frequency 1[Mpps], Line Driver / 200[kpps], Open Collector
Input Pulse Type Symbol + Pulse Series, CW+CCW, A/B Phase
Electric Gear Ratio Four digital gear ratios can be set, selected and tuned.
Torque Control Torque Command DC-10~+10 [V] (Reverse direction torque in case of negative voltage)
Speed Limit DC 0~10 [V], internal speed command within ±1[%]
Repetition accuracy Within ±1[%]
Input/Output Signal Analog Input Input Range DC -10 ~ 10[V]
Resolution 12[bit]
Analog Output Output Range DC -10 ~ 10[V]
Resolution 12[bit]
Digital Input Total 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 Output Total 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
Communication RS-422 Accessible to PC software and the RS422 server
USB Status monitoring, JOG operation, parameter upload/download are available with PC Software
Encoder Serial BiSS encoder and quadrature encoder supported
Encoder Output Type Random pre-scale output through FPGA (maximum 6.4 Mpps)
Built-in functions Dynamic Braking Standard built-in (activated when the servo alarm goes off or when the servo is off)
Regenerative Braking Both default built-in and external installation possible
Display Seven segments (5 DIGIT)
Setting Function Loader (SET, MODE, UP, and [DOWN] keys)
Additional Function Auto gain tuning, phase Z detection, manual JOG operation, program JOG operation, automatic analog input calibration
Protective Function Overcurrent, 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 Environment Operating Temperature / Storage Temperature 0 ~ 50[°C] / -20 ~ 70[°C]
Operating Humidity / Storage Humidity Below 80[%]RH / Below 90[%]RH(avoid dew-condensation)
Environment Indoor, Avoid corrosive, inflammable gas or liquid, and electrically conductive dust.

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

L7SB

Item \ Type Name L7SB010B L7SB020B L7SB035B L7SB050B L7SB075B L7SB150B
Input Power Main Power Supply 3 Phase AC380 ~ 480[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Control Power Supply Single Phase AC380 ~ 480[V](-15 ~ +10[%]), 50 ~ 60[Hz]
Rated Current[A] 3.7 8 10.1 17.5 22.8 39
Peak Current[A] 11.1 24 30.3 52.5 57 97.5
Encoder Type Serial 17bit, 19bit, 21bit
Control Performance Speed Control Speed Control Range Maximum 1: 5000
Frequency Response Maximum 1 [kHz] or above (when the 19-bit serial encoder is applied)
Speed Command DC -10 [V]~+10 [V] (Reverse rotation in case of negative voltage)
Accel/Decel Time Straight 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 Control Input Frequency 1[Mpps], Line Driver / 200[kpps], Open Collector
Input Pulse Type Symbol + pulse series, CW+CCW, A/B phase
Electric Gear Ratio Four digital gear ratios can be set, selected and tuned.
Torque Control Torque Command DC-10~+10 [V] (Reverse direction torque in case of negative voltage)
Speed Limit DC 0~10 [V], internal speed command within ±1[%]
Repetition accuracy Within ±1[%]
Input/Output Signal Analog Input Input Range DC 0 ~ 10[V]
Resolution 12[bit]
Analog Output Output Range DC 0 ~ 10[V]
Resolution 12[bit]
Digital Input A 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 Output A 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.
Communication RS-422 Accessible to PC software and the RS422 server
USB Status monitoring through PC software, JOG operation, and parameter uploading/downloading are possible.
Encoder Serial BiSS encoder and quadrature encoder supported
Encoder Output Type Random pre-scale output through FPGA (maximum 6.4 Mpps)
Built-in functions Dynamic Braking Standard built-in (activated when the servo alarm goes off or when the servo is off)
Regenerative Braking Both default built-in and external installation possible Extemal installation Possible
Display Seven segments (5 DIGIT)
Setting Function Loader (SET, MODE, UP, and [DOWN] keys)
Additional Function Auto gain tuning, phase Z detection, manual JOG operation, program JOG operation, automatic analog input calibration
Protective Function Overcurrent, 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 Environment Operating Temperature / Storage Temperature 0 ~ 50[°C] / -20 ~ 70[°C]
Operating Humidity / Storage Humidity Below 80[%]RH / Below 90[%]RH(avoid dew-condensation)
Environment Indoor, avoid corrosive, inflammable gas or liquid, and electrically conductive dust.


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