Millennium Instruments Limited
Beta II, Greater Noida, Uttar Pradesh
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L&T AC Drives


Pioneers in the industry, we offer l & t ac drives ex2000, l&t variable frequency drive cx2000, l & t sx2000 series ac drives, l & t ac drives lx2000, l & t ac, vfd variable frequency drive and l & t ac drives fx2000 from India.

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Product Details:
DisplayDigital
IP RatingIP20
Frequency0.5Hz
Overload Time60 sec
Phase3 phase
Voltage415 V

Ex2000 is perfectly suited for fan and pump applications. It can handle loads up to 450 kW, and is engineered to keep your machine operating at optimum efficiency – even in the hot, humid and dusty conditions that characterize India's industrial environment. It has features that save energy and cost, and is easy to operate.

Dual rating operation:
  • Designed to be used for heavy and normal duty applications.

Overload capacity:

Heavy duty operation: 150% of rated current for 60 secNormal duty operation: 110% of rated current for 60 sec

Booster Pump:

It is used when a single drive is used to control multiple motors in pump systems, by default 4 Pumps can be controlled & Max upto 8 pumps can be controlled

Precise Control of pressure:

Ideal cost effective solution for constant pressure / constant flow pumping application

PID & Dual PID:

In the centrifugal fan and pump, PID control is provided as a standard function in order to maintain a constant pressure, flow or levelWhere external or cascaded PID control is required, the built-in dual PID algorithm of the Ex2000 can be utilised to satisfy various system requirements

Sleep & Wake Function

  • It automatically switches OFF Drive during user-programmed low- load conditions and then to start-up again when process demand increasesIt helps eliminate unnecessary operation at idle speeds, thus saving wear and tear, as well as energy

PID Control:
  • Automatic Energy SavingLoad change may incur energy losses. But the optimised flux control of the Ex2000 results in more outstanding energy-saving

Pre Heat Function:

  • It allows the drive to maintain residual heat in the motor, which helps eliminate condensation in damp conditions when the motor is not in use.In the drive, an adjustable, low-level DC current is applied to the stator windings either continuously or on a duty cycle basis

KEB:

  • During power dips or momentary power outage, the drive’s output can be maintained by utilising the residual mechanical energy in the load as a regenerative source.The duration of the power-dip ride-through depends on the load characteristics

Removable Terminal Block:

  • In case of AC Drive failure, control card of the existing drive can be replaced to new drive with wiringReduces the downtime of AC Drive replacement

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Product Details:
Cooling TypeNatural Cooling
Storage Temperature-20 Deg C ~ 65 Deg C
Protection DegreeIP20
Atmospheric Pressure70~106 kPa
Relative HumidityBelow relative humidity 90% RH
Rated Frequency50-60 Hz
Voltage380-480 V
Output Frequency400 [Hz]
DisplayDigital
PhaseThree Phase
Rated Current1.8 A

Compact, lightweight, easy to install, operate and service – the Cx2000 is perfectly suited for conveyors, pumps, fans and textile machinery. It handles loads up to 11 kW, and is engineered to keep your machine operating at optimum efficiency, even in the hot, humid and dusty conditions that characterise India's industrial environment.

Overload capacity:
Heavy duty operation: 150% of rated current for 60 secNormal duty operation: 110% of rated current for 60 sec

Built-in Potentiometer:

Possible to add reference from keypad and external signalProvides external potentiometer for easier frequency control

Built-in PID:
Cx2000 has built-in PID which saves use of external PID2nd Motor Operation:Single AC Drive can maintain 2 motor parameters connected to 2 different loads with different Accel / Deccl parameter settingFor isolated operation of motors one VFD can be used in place of 2Easy

Maintenance:
Tool-less replacement of Cooling Fan.Built-in Brake Chopper:Built-in brake chopper which saves panel space.

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Product Details:
Rated Current4.8 A
Power30-75 kW
DisplayLED
Frequency0 to 400 Hz
Phase3 Phase
Voltage480 V

The Sx2000 is built to deliver powerful performance. It handles loads up to 75 kW (HD) / 90 kW (ND) – making it perfect for compressors, conveyors, machine tools, elevators, textiles, fans, pumps, plastic extruders, wire drawings, etc.

Dual rating operation:
Designed to be used for heavy and normal duty applications.

Overload capacity:

Heavy duty operation: 150% of rated current for 60 secNormal duty operation: 120% of rated current for 60 sec

Safety Disable function (Safety Stop):

Sx2000 is compliant to the EU Machinery Directive without the additional of previously required external devices. Through this compliance, Sx2000 reduces the number of peripheral devices needed to satisfy safety regulation. It results in cost, space, and maintenance reduction.

Enhanced Brake control:

Ideal for Crane & LiftsBrake opening command by Drive under following conditionInverter Output Frequency > Brake Release Frequency ANDInverter Output Current > Brake Release CurrentBrake release with DelayBrake Close frequency different settings possible for Hoisting & Lowering Motion

Multi-Keypad:

Optional LCD keypad of Master drive enables to access every drive (Slave) connected via inbuilt RS485 communication so that the users adjust and monitor parameters easily.

P2P communication:

Peer to peer communication among the drives allows sharing any I/O via inbuilt RS485 communication. It might be useful in case of limited number of I/O points for a certain system

User Sequence: Built-in PLC Functionality:

User sequence creates a simple sequence from a combination of different function blocks with direct access to Drive parameters.No Software required to create logicThe sequence can comprise of a maximum of 18 steps using 28 functions blocks.Function blocks: AND, NOR, ADD, SUB, MIN, MAX, COMPARE, TIMER, XOR, SWITCH, UP/DWN COUNT...etc

Component Life Monitoring:

Sx2000 monitors both main capacitor’s lifecycle and Fan.When the life span of Fan is near, Sx2000 outputs via Relay or Digital output as a alarm sign.Smart CopierIt allows users to download & upload the parameters from/to Sx2000 without AC input power.Easy download of Customized firmware from copy unit to driveCopy paste of parametersOptional Communication CardsCANopenProfibus DPModbus TCP / Ethernet I/P)Flange optionSx2000 allows its heatsink to be installed outside of panel for better cooling system with this option.

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Product Details:
VibrationLess than 5.9m/s
Power2.2 to 22 kW
DisplayDigital
Frequency0.5kHz ~16kHz
Phase3 phase
Voltage415 V

The Lx2000 is designed specifically to add power to elevator performance. Built to L&T’s stringent quality standards, the Lx2000 is tested and certified to meet global benchmarks, thus giving you the assurance of total reliability.It handles loads up to 22kW, and is engineered to keep your elevator operating at optimum efficiency, even in the hot, humid and dusty conditions that characterise India’s industrial environment.

Overload Capacity:
  • Designed to be used for heavy duty applications.

Overload capacity:

  • Heavy duty operation: 150% of rated current 60 sec

Built-in brake control for safe vertical loading:

To minimize risk of the elevator’s giving in to the gravitational pull of the earth, brake-control is built in.Extreme precise control

ELIO Option on board (Distance learning):

Accepts position sensor input ( rid switches etc )Measures height & stores floor countDisplays floor number, speed in elevator unitsReduces creep timeControls positionAdvance door openingHandshaking with elevator controller

Optional Encoder Cards:

  • Sin/Cos encoderEndat encoder (ECN413, ECN1313, ERN1387, ERN487 encoders)

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Product Details:
Storage Temperature-20 ~ 65 Degrees C
Humidity90% RH
DisplayDigital
Output Current150mA
PhaseThree Phase
Voltage415 V

We are the leading supplier of L&T AC Drives, VFD Variable frequency drive made available to our clients at competitive prices.


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Product Details:
Power0.75 to 450 kW
DisplayDigital
Frequency50-60 Hz
Phase3 Phase
Voltage415 V

The Fx2000 generates powerful performance and meets your precise needs through several features: superior V/F control, V/F PG, slip compensation and Sensorless vector control as well as closed-loop vector control.It has a user-friendly interface and environment-friendly features, including a wide graphic LCD keypad, user and macro-group support, electro-thermal functions for motor protection, and protection for input/output phase loss.

Starting Torque:

250% at 0Hz for Closed LoopConformal Coating complying to IEC 60721-3-3 class 3C2Built-in RS485 ModbusWEB Software control for Winder ApplicationOptional Smart PLCUser Defined MacroBuilt-in DC Reactor from 22kW to 280kWBuilt-in Braking Chopper till 30kWDual rating operationDesigned to be used for heavy and normal duty applications.

Overload capacity:

Heavy duty operation: 150% of rated current, 60 sec, 200% for 3 secNormal duty operation: 110% of rated current, 60 secondsUser Defined Macro FunctionUser can collect parameters that often use and keep them in User GroupSome parameters for a specific application are in Macro Group

Easy Start:

EASY START helps beginner users to set the essential parameters easily.

Applications:

For Crane Control (External Brake Control)Fx2000 provide external brake control function for vertical load such as Crane, Lift etc.User can set Brake Release freq., Pre-excite time.Separate parameters for hoist and loweringIt can operate in Open Loop & Closed Loop System.

Winder Software (WEB) for Winder Application:

Tension control with load cell / dancerThickness calculation Splicing function Draw functionTraversing functionDiameter calculationTaper functionQuick stopOpen-loop control

Traverse Control:

Ideal for TextileDisturbance PatternBuilt-in MacroNo external controller required

Droop Control:
It uses the drooping characteristic of the speed with respect to the torque reference.In order to get good quality of product, this machine requires uniform torque from multiple motor.Increase the product quality by load balancing

KEB (Kinetic Energy Buffering) for power-failure:

If power-failure occurs, Fx2000 keeps controlling motor with regenerative energy till power recoveryIf outage is too long, Fx2000 safely decelerate the motor until it stops

Optional Card:

PLC Card (6DI, 4DO, Built-in RTC)Encoder CardI/O expansion cardSynchronisation CardPosition control card

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Product Details:
Power5.5 to 450 kW
DisplayDigital
Output Current2.3~900A
Phase3 Phase
Voltage 415 V

L&T AC Drives Hx2000 sets the standard for the drive industry by introducing Innovative Energy Reduction, Environment friendly & HVAC System incorporates the outstanding energy savings benefits of the Hx2000 for Fans & Pump application

Features:
  • V/F, Slip Compensation
  • Built-in DC Reactor from 37 to 90kW
  • Built-in EMC filter from 5.5 to 30kW as default (C3), optional for 37 to 55kW and 75 to 90kW satisfies EMC class 3 even without a filter
  • Multiple-Motor Control (1 main motor and 5 auxiliary motors)
  • Built-in 2 PID Built-in RTC for Scheduling
  • Built-in Payback Counter Lubrication & Damper Control
  • Dry Pump Detection
  • Pump Clean
  • Flow Compensation
  • Fire Mode Password Protection
  • Global Specifications Compliant- CE, UL Plenum Rated Interface:
  • 7DI, 5(R) 1(TR) DO, 2AI, 2AO

Scheduling (Time Event: Real Time Clock (RTC)):
Using RTC, user can program following operating schedules for general or exceptional datesRTC is used so that selected functions can be operated during set time (Possible to set different functions including Fx, Rx, Multiple Acceleration /Deceleration time, multiple frequency & PID, Pre-heat etc.)Using RTC, user can program following operating schedules for general or exceptional dates4 Time Period module (Weekly)8 Exception Date module (Day)8 Time Event module29 Functions available (Fx, Rx, Step Freq., PID, etc.)Summer Time available (Start/End date setting)3 Type of Date displaying available (EU / USA / ASIA)

Multi-Motor Control (MMC):
Booster Pump
MMC is used when a single drive is required to control multiple motors in pump systems.It can control 1 main motor through PID and 5 auxiliary motors through Drive & Relays, an Ideal cost effective solution for constant pressure / constant flow pumping application.

Dry Pump (Under Load Protection):

Prevents pump damage when there is insufficient water in the tank. If Actual load is under the Under Load (UL) Detect curve, Inverter will trigger warning or trip signal to protect the pump.

Payback Counter:
It displays energy saving information by comparing the average energy efficiency for operation with and without the inverter. The energy saving information is displayed as kWh, saved energy cost and CO2 emission level.

Fire Mode:

When an emergency such as fire occurs at suction/exhaust fans, without any hardware failure or a critical defect, the drive continuously operates to protect other systems under the set frequency and direction.

Flow Compensation:

In a system for longer pipes & higher flow rate, causing great pressure drop, this feature helps to compensate for pressure drop by increasing the PID reference.

Pump Clean Operation:

Scraps, which get built up in impellers of pumps, decrease the efficiency of motor performance. Through consecutive FWD/REV or ACC/DEC operation, the scraps get eliminated.This results in extension of pump lifespan and energy saving. The pump clean mode is initiated by- remote signal, current profile or power profile.

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Millennium Instruments Limited
Abhishek Sharma  (CEO)
F-12, Site B, UPSIDC Industrial Area
Beta II, Greater Noida - 201306 , Uttar Pradesh , India
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