L&T AC DriveL1000A for Elevator Applications200 V Class 1.5 to 110 kW400 V Class 1.5 to 110 kW

Certified forISO9001 andISO14001

JQA-0422 JQA-EMO498

Larsen & Toubro infuses engineering with imagination. The Company offers a wide range of advanced solutions in the

field of Engineering, Construction, Electrical & Automation, Machinery and Information Technology.

L&T Switchgear, a part of the Electrical & Automation business, is India's largest manufacturer of low voltage

switchgear, with the scale, sophistication and range to meet global benchmarks. With over five decades of experience

in this field, the Company today enjoys a leadership position in the Indian market with a growing international

presence.

It offers a complete range of products including powergear, controlgear, industrial automation, building electricals &

automation, reactive power management, energy meters, and protective relays. These products conform to Indian

and International Standards.

L&T introduces L1000A drive designed specifically for the elevator industry.

About us

Powai Switchgear Factory, Mumbai

L1000A drive

L&T L1000A drive is a reliable product with superior aesthetics, power & high performance vector control technology

that meets the current needs & future requirements.

•Easy setup and maintenance

– Terminal block with parameter backup

– DriveWizard Plus

•Safety

– Rescue operation

– Safe disable function

– Fault detection during run

– Preventive warnings

– High performance with low harmonicdistortion

•Setting the trend

– Runs induction and synchronous motors

– Compatible with a wide range of encoders

– Reduced operation time and more powerfulbraking

– Direct-to-floor

– Short floor

• Smooth, comfortable ride

– Smooth operation

– High starting torque without sensors

– Overshoot and anti-vibration control

– Variety of braking functions

– Anti-rollback

Features

1

Setting the Trend

u Cutting-edge drive technology to run a newly installed gearless synchronous motor, or a refurbished geared induction motor.

Minimizes equipment required for your application.

Capacity Range

200 V Class 1.5 to 110kW400 V Class 1.5 to 110kW

Control Mode

PM motors ・Closed Loop Vector Control for PM motors (SPM/IPM drive)

Induction motors ・V/f ControlOpen Loop Vector ControlClosed Loop Vector Control

・・

Runs Induction and Synchronous Motors

L1000A

Induction motorSynchronous SPM motor(base-mount)

Synchronous IPM motor(ultra-thin)

Use parameters to switch between motor types

Control Mode Starting Torque SpeedRange Motor Encoders and Option Cards

V/f Control 500％ at 3Hz* N/A

Open Loop Vector Control

200％ at 0.3 Hz* N/A

Closed Loop Vector Control

200％ at0 r/min*1

1：40

1：200

1：1500Incremental Encoders:·PG-X3 (Line Driver)·PG-B3 (Complementary)

Closed Loop Vector Control for PM

200％ at0 r/min* 1:1500

Incremental Encoders:·PG-X3 (Line Driver) ·PG-B3 (Complementary) Absolute Encoders: ·PG-F3(EnDat) ·PG-E3(ERN1387)

Loaded with Auto - Tuning Features

u

u

“Direct-to-Floor” functionImproves operational efficiency as well as ensures superior stopping precision.

Short Floor minimizes the creep speed time

Improved operation efficiency

to minimize operation time.

Reduced Operation Time and More Powerful Braking

u Faster Operation Time u Short Flooru Direct-to-Floor

Floor Contact (if avaiable)

Stop

Stopping distance correction at stop

contact (if available)

Stopping distance set in the drive

Stopping distanceset in the drive

Speedreference Stopping

distance

LevelingStopFloor

Contact(if available)

StopStop

Actualstoppingdistance setin the drive

Stoppingdistancecalculated inthe drive fromride profilesettings

Stoppingdistance correction at stop contract(if available)

Leveling

＊ Drive and motor must be matched appropriately.

High-performance current vector control generates torque and precision control at low speeds.

powerful starting

Interface to match gear-less, SPM synchronous motors and every type of absolute encoder. High resolution and pole position detection for a smooth and safe ride.

u

u

Compatible with a Wide Range of Encoders

2

Applications requiring high starting torque, high speed, and high accuracy. Tuning is performed on the motor alone, decoupled from the load.

Applications where the motor must remain connected to the load during the auto-tuning process.

For re-tuning when the cable length between the motor/drive has changed or when motor/drive capacities are different.

Fine tunes the home pulse position when using an encoder with a synchronous motor. Possible with both Rotational andStationary Auto-Tuning.

RotationalAuto-Tuning

StationaryAuto-Tuning

Motor ResistanceAuto-Tuning

Encoder OffsetAuto-Tuning

Motor Tuning

u

Loaded with a variety of Auto-Tuning methods to ensure top performance.

Motor tuning features optimize drive settings without needing to disconnect the rope or car.

Tuning features for connected machinery.

u

u

u

u

Smooth, Comfortable Ride

u

High Performance Starting Torque without Sensors

• Advanced Anti-Rollback

Kv (C5 parameter)

Torque reference

Processing

＋

＋

“Position hold”command input

NEW

Kp(S3-01)

Positioning Speed regulator

＋

－

＋

－

Speed feedbackS3-02

Position feedback

＊Advanced Anti-Rollback: Torque compensation function that eliminates shock at start up by preventing the car from moving when the brake is released.

u

Zero servo gain 2 (S3-02)(Before adjustment)

Torquereference

MotorspeedRollback

Torq

ue

7.5 8 8.5 9 9.5 10 10.5 11 11.5 12

Previous ModelL1000A

Zero servo gain 2 (S3-02)(After adjustment)

Torquereference

Motorspeed

Torq

ue

7.5 8 8.5 9 9.5 10 10.5 11 11.5

RollbackSuppressed

Previous ModelL1000A

3

Ensures smooth ride even without a load sensor, by providing high-performance torque compensation (Advanced Anti-Rollback*) and high resolution absolute encoder

Easy to adjust Anti-Rollback with sensors, preventing shock start and stop

Smooth Operation

Feed Forward achieves ideal speed response, eliminating vibration & making it easy to tweak the speed control loop (ASR). (available soon)

Adjust jerk settings at the start and end of acceleration and deceleration to create a perfectly smooth ride.

u

u

Built-in braking transistor up to 18.5 kW

0.4 18.5

Built-in braking transistor up to 30 kW

Previous Models

L1000A

Variety of Braking Functions

Overshoot and Anti - Vibration Control

Secondary current (torque) control

＋＋＋

－

Speed reference

Speed detection

• Feed Forward

FeedForwardControl Speed control

u All models up to 30 kW are equipped with a braking transistor for even more powerful braking options by just adding a braking resistor.

• Overshoot Compensation

1050

900

750

00 0.5 1

Previous Speed Control

Time (s)

w/Feed Forward Control

Spee

d (r

/min

)

Time (s)

Suppresses overshoot at the end of acceleration

050

900

750

00 0.5 1

30 kW

• Torque Ripple Comparison (Closed Loop Vector at zero speed)

Time (0.2 s/div)

【Previous model】

【L1000】

(%)

（2%/div）

Torq

ue

u

u

Has half the torque ripple compared to earlier models for an even smoother ride

Provides precise motor torque performance capability for smoother acceleration and deceleration

Safety, Easy Setup and Maintenance

Rescue Operation switches to backup battery or UPS in case of a power outage

• UPS Wiring and Operation • Backup Battery Wiring and Operation

＊The illustrations above have been simplified, omitting switches and control signals that are otherwise required. Refer to the wiring diagrams included with the components in question.

UPS 220 V, single phase

L1000A

24VDC

48-96VDC

24 V power supply unit

L1000A

Protects the elevator application with immediate fault detection.

u

u

Protection over - acceleration, speed reversal, wiring errors, and improper parameter settings.

Immediate response of hardware sensors if the motor encoder signal is lost, ensuring an even higher level of safety.

by detection of

Performance Life Monitors

u L1000A is equipped with performance life monitors that notify the user of part wear and maintenance periods to prevent problems before they occur.

Safe Disable Function

Preventive Warnings

Rescue Operation

Fault Detection During Run• OveraccelerationFault Detection

＊Actual operation varies by the control mode and motor encoder.

L4-13Accel during normal operation

SpeedMotor speed during fault

Time

Speed

Time

SignalOveraccel

(fault signal)Closed Open

Motor speed during normal operation

Fault acceleration detection level

Accel during faultAccel

Safety regulations

u Fully compliant with EN954-1 Cat. 3, ISO13849-1 (Cat. 3, PLd), and IEC/EN61058 SIL2, while eliminating the need for extra peripherals. Helps to easily satisfy EU standard for elevators EN81-1.

Operator Display Corresponding Component

LT-1 Cooling fan

LT-2 Capacitor

LT-3 Inrush prevention relay

LT-4 IGBTs

• Alarm Signals Output PLC or Control Device

Monitor status of input power supplyu Customized hardware immediately detects phase loss from the input

power supply.

Detection remains active regardless of whether the drive is running or stopped.

An output signal can also be setup if a phase loss occurs.

u Both single-phase and 3-phase 220 V UPS and 48 -96 Vdc(400 V class) battery (24 V control power supply) can keep the elevator running in case of an emergency. Possible with all 200 V and 400 V class models

Automatically speed adjustment during voltage drop to prevent loss in motor speed.

Light Load Direction Search function triggered by UPS and battery voltage

Vdc(200 V class)

u

u

4

No longer needed!

・Space-saving・Highly reliable・Cost-efficient

Emergency stop

Power supply

Motor

Safe Disable wiring example (source mode)

Switch

AC drive

H2

H1

HC24 V

Main power

Power moduleN P

Control circuit

Gate block

Gate block

Jumper S3(set to SOURCE)

Standard Specifications

5

Model CIMR-LT2A 0018 0025 0033 0047 0060 0075 0085 0115 0145 0180 0215 0283 0346 0415Max. Applicable Motor Capacity kW 3.7 5.5 7.5 11 15 18.5 22 30 37 45 55 75 90 110Rated Input Current A 18.9 28 37 52 68 80 82 111 136 164 200 271 324 394Input Power kVA 9.5 14 18 27 36 44 37 51 62 75 91 124 148 180Rated Output Current A 17.5 25 33 47 60 75 85 115 145 180 215 283 346 415Rated Output Capacity kVA 6.7 9.5 12.6 17.9 23 29 32 44 55 69 82 108 132 158Maximum Output Voltage Three-phase 200 to 240 Vac (proportional to input voltage)Maximum Output Frequency 120 Hz (user adjustable)Rated Voltage/ Rated Frequency Three-phase 200 to 240 Vac 50/60 Hz 270 to 340 VdcCarrier Frequency User adjustable between 2 and 15 kHz User adjustable between 2 and 10 kHz

Item Specifications

200

V Cl

ass

Model CIMR-LT4A 0009 0015 0018 0024 0031 0039 0045 0060 0075 0091 0112 0150 0180 0216Max. Applicable Motor CapacitykW 3.7 5.5 7.5 11 15 18.5 22 30 37 45 55 75 90 110Rated Input Current A 10.4 15 20 29 39 44 43 58 71 86 105 142 170 207 Input Power kVA 10.0 14.6 19.2 28.4 37.5 46.6 39.3 53.0 64.9 78.6 96.0 129.9 155 189Rated Output Current A 9.2 14.8 18 24 31 39 45 60 75 91 112 150 180 216Rated Output Capacity kVA 7 11.3 13.7 18.3 24 30 34 48 57 69 85 114 137 165Carrier Frequency User adjustable from 2 to 15 kHz User adjustable from 2 to 10 kHzMax. Output Voltage Three-phase 380 to 480 V (proportional to input voltage)Max. Output Frequency 120 Hz (user adjustable)Rated Voltage/Rated Frequency Three-phase 380 to 480 Vac 50/60 Hz 510 to 680 VdcCommon SpecificationsAllowable Voltage Fluctuation -15 to 10%Allowable Frequency Fluctuation ±5%Overload Tolerance 150% of rated output current for 60 s

+

400

V Cl

ass

Harmonics SuppressionBraking Function Braking Transistor Built-in Option Use drive parameters to select from the following control modes:

V/f Control, Open Loop Vector Control, Closed Loop Vector Control, Closed Loop Vector Control for PMFrequency Control Range 0.01 to 120 HzFrequency Accuracy Digital reference: within ± 0.01% of the max. output frequency (-10 to +40˚C)(Temperature Fluctuation) Analog reference: within ± 0.1% of the max. output frequency (25˚C ± 10˚C)

Digital reference: 0.01 Hz, Analog reference: 0.03 Hz / 60 Hz (11 bit)Output Frequency Resolution 0.001 HzFrequency Setting Resolution -10 to 10 V, 0 to 10 V

150% / 3 Hz (V/f Control) 200%/ 0 r/min (Closed Loop Vector Control) 200% / 0.3 Hz (Open Loop Vector Control) 200% / 0 r/min (Closed Loop Vector Control for PM)

1:40 (V/f Control) 1:1500 (Closed Loop Vector Control) 1:200 (Open Loop Vector Control) 1:1500 (Closed Loop Vector Control for PM)

Speed Control Accuracy ± 0.2% in Open Loop Vector Control (25˚C ± 10˚C), ± 0.02% in Closed Loop Vector Control (25˚C ± 10˚C)10 Hz in Open Loop Vector Control (25˚C ± 10˚C), 50 Hz in Closed Loop Vector +Control (25˚C ± 10˚C)(excludes temperature fluctuation when performing Rotational Auto-Tuning)

Torque Limit All vector control modes allow separate settings in four quadrants with accuracy ± 5%Accel/Decel Time 0.00 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)Braking Torque Approximately 125% when using a braking resistor optionV/f Characteristics User-selected programs and V/f preset patterns possible

Torque compensation at start, Auto-Tuning (for motor and encoder offset), braking sequence, Feed Forward, Short Floor, Rescue Operation using back-up power supply, Light Load Direction Search,

Removable Terminal Block with Parameter BackupMotor Protection, Momentary Over current Protection, Overload Protection, Overvoltage Protection, Undervoltage Protection, Heatsink Overheat Protection, Stall Prevention, Ground Fault Protection, Charge LED

Area of Use IndoorsAmbient Temperature - 10 to +50˚CHumidity 95% RH or less (no condensation)Storage Temperature -20 to +60˚C (short-term temperature during transportation)Altitude Up to 1000 meters

2 2Shock 10 Hz to 20 Hz, 9.8 m/s max. 20 Hz to 55 Hz, 5.9 m/s max. UL508C, EN61800-3, EN61800-5-1,EN954-1 Cat. 3, ISO13849-1 (Cat.3, PLd), IEC/EN61508 SIL2

Protective Design

Speed Response

IP20/NEMA Type 1 (CIMR-LT2A0018 to 2A0075 and 4A0009 to 4A0039), IP00 for further models

Direct-to-Floor,

Option Built-inDC Reactor

Control Method

Frequency Setting Resolution

Contr

ol Ch

arac

terist

ics

Starting Torque

Speed Control Range

Main Control Functions

Protec

tion

Main Protection functions

Envir

onm

ent

Standards Compliant

Peripherals Devices and Options

ERN1387:Maximum input frequency: 20 kHzPulse monitor: Matches RS-422Voltage output for encoder: 5 V, 200 mA max.

*Encoder cable: 10 m max. Pulse monitor cable: 30 m max.*Use a 17-pin encoder cable

For line drivers:3 track (A, B, Z pulse)Single track compatible (A pulse)Maximum input frequency: 300 kHzPulse monitor: Matches RS-422Voltage output for PG: 5 or 12V, max. 200mA

For complimentary and open collector types:3 track (A, B, Z pulse)Single track compatible (A pulse)Maximum input frequency: 50 kHzPulse monitor output: Open collectorVoltage output for PG: 12V, max. 200mA

PG-E3Encoder Type (ERN1387)

EnDat2.1/01, EnDat2.2/01:Maximum input frequency: 20 kHzPulse monitor: Matches RS-422Voltage output for encoder: 5 V, 330 mA max or

8 V, 150 mA max.Encoder cable: 20 m max.* Pulse monitor cable: 30 m max.

PG-F3Encoder Type (EnDat)

PG-X3Line Driver PG

PG-B3Complimentary Type PG

Connects the drive to a CANopen network.SI-S3CANopen

Device

PG S

peed

Con

trolle

r Car

dCo

mm

unic

atio

ns

Pulse generators and encoders are combined with a

feedback signal to detect motor speed. Allows the drive to control the output frequency to keep

motor speed constant.

PurposeModel

Back power supply for the control circuit and option boards for when the main circuit loses power. Allows the user to refer to parameter settings and view drive monitors during a power loss.

PS-A10LPS-A10H

24V Power Supply

Copy parameter settings in a single step, then transfer those settings to another drive.JVOP-181USB Copy Unit

Othe

r Opt

ions

Brak

ing

Braking Unit CDBR-4045CDBR-4030

CDBR-4220

Consume regenerative energy from motor in the braking resistor unit at deceleration and improve drive braking ability. *Note: Braking transistor is built-in upto 30 kW.

6

Simplify interfacing with the drive to perform tasks like- Read or modify, copy drive parameters to another drive, operate the drive and monitor drive status.JVOP-180LCD Display

Braking Unit & Braking Resistor

7

Note: DBU shall be purchased from L&T, however DBR of given values must be purchased from local vendors.

L1000A Dynamic Braking Unit Dynamic Braking Resistor

Model

CIMR-LT4A CDBR- (W)

0009 390 150 1

0015 520 100 1

0018 780 75 1

0024 1040 50 1

0031 1560 40 1

0039 4800 32 1

0045 4800 27.2 1

0060 6000 20 1

0075 4045 1 9600 16 1

0091 4045 1 9600 13.6 1

0112 4030 2 6000 20 2

0150 4045 2 9600 13.6 2

0180 4045 2 9600 13.6 2

0216 4220 1 6000 20 3

Model Qty. Wattage Resistance Quantity

(Ω)

Built-in

200V

400V

L1000A Dynamic Braking Unit Dynamic Braking Resistor

Model

CIMR-LT2A CDBR-

0018 390 40 1

0025 520 30 1

0033 780 20 1

0047 2400 13.6 1

0060 1560 40 1

0075 3000 10 1

0085 3000 10 1

0115 4800 6.8 1

0145 2015 2 3000 10 2

0180 2022 2 4800 6.8 2

0215 2022 2 4800 6.8 2

0283 2110 1 4800 6.8 3

0346 2110 1 4800 6.8 4

0415 2110 1 4800 8 5

Model Qty. Wattage Resistance Quantity

(W) (Ω)

Built-in

Dimensions400 V

Cla

ss

Dimensions (mm)

IP00

WeightApplicable Motor (kW)

3

Fig

ure

9075

110

5545373022

CIMR-0180AACCIMR-0150AAC

CIMR-0216AAC

CIMR-0112AACCIMR-0091AACCIMR-0075AACCIMR-0060AACCIMR-0045AAC

ModelCIMR-LT4A

450325

500

325325325275250

W

705550

800

550510510450400

H

7942

96

4136362521

(kg)

330283

350

283258258258258

D

325260

370

260260260220195

W1

680535

773

535495495435385

H1

M10M6

M12

M6M6M6M6M6

d

Dimensions (mm)

NEMAType 1

WeightApplicable Motor (kW)

CIMR-0039FACCIMR-0031FACCIMR-0024FACCIMR-0018FACCIMR-0015FACCIMR-0009FAC

ModelCIMR-LT4A

2

1

Fig

ure

220180180140140140

W

350300300260260260

H

197187167167167164

D

192160160122122122

W1

335284284248248248

H1

M6M5M5M5M5M5

d

8.35.75.43.93.93.5

(kg)

18.515117.55.53.7

400 V

Cla

ss

20

0 V

Cla

ss

Dimensions (mm)

335335284248248248

H1

192192160122122122

W1

197197187167167164

D

365350300260260260

H

220220180140140140

W

2

1

Fig

ure

NEMA Type 1

CIMR-0075FACCIMR-0060FACCIMR-0047FACCIMR-0033FACCIMR-0025FACCIMR-0018FAC

ModelCIMR-LT2A

9.78.75.64.04.03.5

Weight

(kg)

M6M6M5M5M5M5

d

18.515117.55.53.7

Applicable Motor (kW)

20

0 V

Cla

ss Dimensions (mm) Weight

Applicable Motor (kW)

Fig

ure

45373022

CIMR-0180AACCIMR-0145AACCIMR-0115AACCIMR-0085AAC

ModelCIMR-LT4A

325325275250

W

550550450400

H

38372521

(kg)

283283258258

D

260260220195

W1

535535435385

H1

M6M6M6M6

d

IP003

8

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9

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Electrical Standard Products (ESP) Branch Offices:

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