Leroy-Somer Varmeca LS 71 Manuale di istruzioni

VARMECA

Installation and maintenance

Réf. 2534 - 4.33 / c - 2.99

Variable speed

motor or geared motor

This manual must begiven

to theenduser

VARMECA

NOTE

LEROY-SOMER reserves the right to modify the characteristics of its products at any

time in order to incorporate the latest technological developments. The information

contained in this document may therefore be changed without notice.

LEROY-SOMER gives no contractual guarantee whatsoever concerning the information

published in this document and cannot be held responsible for any errors it may contain, nor

for any damage resulting from its use.

CAUTION

For the user's own safety, this VARMECA motor must be connected to an approved earth

(B terminal).

It is imperative that the equipment is supplied via an isolating device and a circuit-breaking

device (power contactor) which can be controlled by an external safety system (emergency

stop, fault detector).

The VARMECA motor is fitted with safety devices which, in the event of a fault, control

stopping and thus stop the motor. The motor itself can become jammed for mechanical

reasons. Voltage fluctuations, and in particular power cuts, may also cause the motor to

stop.

The removal of the causes of the shutdown can lead to restarting, which may be dangerous

for certain machines or installations. In such cases, it is essential that the user takes

appropriate precautions against the motor restarting after an unscheduled stop.

VARMECA is a component designed to be integrated in an installation or an electrical

machine and can under no circumstances be considered to be a safety device. It is the

responsibility of the manufacturer of the machine, the designer of the installation or the user

to take all necessary precautions to ensure that the system complies with current standards

and to provide devices to ensure the safety of equipment and personnel.

For safety reasons, LEROY-SOMER prohibits the use of VARMECA for lifting applications.

LEROY-SOMER declines all responsibility in the event of the above recommendations

not being observed.

VARMECA

Throughout the manual, this

symbol warns of consequences

which may arise from inappropriate use

of the VARMECA, since electrical risks

may lead to material or physical damage

as well as constituting a fire hazard.

1 - General

Depending on their degree of protection,

VARMECA motors may contain moving

parts, as well as hot surfaces, during

operation.

Unjustified removal of protections, incorrect

use, faulty installation or inappropriate

operation could represent a serious risk to

personnel, animals and equipment.

For further information, consult the manual.

All work relating to transportation, installa-

tion, commissioning and maintenance

must be performed by experienced quali-

fied personnel (see IEC 364 or CENELEC

HD 384, or DIN VDE 0100 and national

specifications for installation and accident

prevention).

In these basic safety instructions, qualified

personnel means persons competent to

install, mount, commission and operate

the product and possessing the relevant

qualifications.

2 - Use

VARMECA motors are components

designed for integration in installations or

electrical machines.

When integrated in a machine, commiss-

ioning must not take place until it has

been verified that the machine conforms

with directive 89/392/EEC (Machinery

Directive).

It is also necessary to comply with standard

EN 60204, which stipulates in particular

that electrical actuators (which include

VARMECA) cannot be regarded as circuit-

breaking devices and certainly not as

isolating switches.

Commissioning can take place only if the

requirements of the Electromagnetic

Compatibility Directive (EEC/89/336,

modified by EEC 92/31) are met.

VARMECA motors meet the requirements

of the Low Voltage Directive 73/23/EEC,

modified by 93/68/EEC. The harmonised

standards of the DIN VDE 0160 series in

connection with standard VDE 0660, part

500 and EN 60146/VDE 0558 are also

applicable.

The technical characteristics and instructions

concerning the connection conditions

specified on the nameplate and in the

documentation provided must be observed

without fail.

3 - Transportation, storage

All instructions concerning transportation,

storage and correct handling must be

observed.

The climatic conditions specified in the

technical manual must be observed.

SAFETY AND OPERATING INSTRUCTIONS FOR ELECTRICAL

ACTUATORS (In accordance with the low voltage directive 73/23/EEC

modified by 93/68/EEC)

VARMECA

4 - Installation

The installation and cooling of equipment

must comply with the specifications in the

manual supplied with the product.

VARMECA motors must be protected

against excessive stress. In particular, the-

re must be no damage to parts and/or

modification of the clearance between

components during transportation and

handling. Avoid touching the electronic

components and contact parts.

VARMECA motors contain parts which are

sensitive to electrostatic stress and may be

easily damaged if handled incorrectly.

Electrical components must not be exposed

to mechanical damage or destruction (risks

to health!)

5 - Electrical connection

When work is performed on VARMECA

motors which are powered up, national

accident prevention specifications must be

respected.

The electrical installation must comply with

the relevant specifications (for example

conductor cross-sections, protection via

fused circuit-breaker, connection of protec-

tive conductor). More detailed information

is given in the manual.

Instructions for an installation which meets

the requirements for electromagnetic

compatibility, such as screening, earthing,

presence of filters and correct insertion of

cables and conductors, are given in the

documentation supplied with the VARMECA.

These instructions must be followed in all

cases, even if the VARMECA carries the

CE mark. Adherence to the limits given in

the EMC legislation is the responsibility of

the manufacturer of the installation or the

machine.

6 - Operation

Installations incorporating VARMECA motors

must be fitted with additional protection

and monitoring devices as laid down in the

current relevant safety regulations : law on

technical equipment, accident prevention

regulations, etc. Modification of VARMECA

motors using control software is permitted.

Active parts of the device and live power

connections must not be touched

immediately after the VARMECA is

powered down, as the capacitors may still be

charged. In view of this, the warnings fixed

to VARMECA motors must be observed.

During operation, all doors and protective

devices must remain closed.

7 - Service and maintenance

Refer to the manufacturer's documenta-

tion.

VARMECA

CONTENTS Pages

1 - GENERAL INFORMATION

1.1 - General operating principle.................................................. 6

1.2 - Product name....................................................................... 6

1.3 - Characteristics..................................................................... 7 - 8

1.4 - Environmental specifications............................................... 9

1.5 - Weight and dimensions........................................................ 9

2 - INSTALLATION

2.1 - General information............................................................. 10

2.2 - Reversing the supports........................................................ 10

3 - CONNECTIONS

3.1 - Wiring precautions............................................................... 11

3.2 - Terminal blocks.................................................................... 11-12

3.3 - Electrical and electromagnetic phenomena......................... 13

3.4 - Description of cables and protections.................................. 13

4 - COMMISSIONING

4.1 - Standard VARMECA............................................................ 14

4.2 - VARMECA with remote control option................................. 14

5 - FAULTS - DIAGNOSTICS........................................................... 14

6 - MAINTENANCE

6.1 - Servicing.............................................................................. 15

6.2 - Measurements..................................................................... 15

6.3 - Spare parts.......................................................................... 16 - 17

7 - OPERATING EXTENSIONS

7.1 - Option without control button (SD or SG)............................ 18

7.2 - Option with integrated run-stop control (CMA)..................... 18

7.3 - Forward/Reverse/Stop control option (CMAVAR)............... 18

7.4 - Grouped option (RDCVS).................................................... 19

7.5 - EMC filter option (FLT VMA)................................................ 20

7.6 - Electromechanical brake option........................................... 20

VARMECA

1 - GENERAL INFORMATION

1.1 - General operating principle

The VARMECA is the physical association

of a 3-phase asynchronous motor and an

integrated speed controller.

The motor allows all kind of mounting

arrangements (foot or flange) and can be

combined with the standard gearboxes of

the LEROY-SOMER range.

1.2 - Product name

Exemple

In the standard version, the integrated

speed controller does not require any

connection other than the power supply.

The options may be used to broaden the

application range of the VARMECA speed

controller.

Thanks to the advanced technology of the

IGBT power module, very high efficiency

and reduced noise level are possible.

Rating Power

(kW)

37 0,37

55 0,55

75 0,75

90 0,9

110 1,1

150 1,5

180 1,8

220 2,2

300 3

400 4

Code Position

BD Button on left side

Cable gland : right side

BG Button on right side

Cable gland on left side

Code Option

SD Without button

Cable gland : right side

SG Without button Cable

gland : left side

CMA With integrated

Run/Stop control

FLT VMA Integrated EMC filter

RDCVS With group option

CMA VAR With integrated For-

ward/Reverse/Stop

control

Brake With electromechanical

failsafe brake

Button + indicator

Cable gland

S4*

S4* : ON = 80 Hz

OFF = 50 Hz

S3 S2 S1 OFF

VARMECA rating Cable gland position Option

VMA 150 BD FLT VMA

VARMECA

1.3 - Specifications

1.3.1 - Electrical data

1.3.2 - Specifications and functions

Power supply 3-phase supply 400V ±10 %, 50-60Hz ±5 %

Output voltage From 0V to input voltage

Power range 0.37 - 0.55 - 0.75 - 0.9 - 1.1 - 1.5 - 1.8 - 2.2 - 3 - 4 kW

Maximum number of power-ups

per hour 10

Description VARMECA

Overload 150 % of In for 40s 10 times per hour

Motor speed variation

range ✶From 12 to 80 Hz at constant torque ✶ mini DIP S4 = ON

6-pole motor : 240 to 1600 min-1

4-pole motor : 360 to 2400 min-1

2-pole motor : 720 to 4800 min-1

From 12 to 50 Hz for general applications ✶ mini DIP S4 = OFF

6-pole motor : 240 to 1000 min-1

4-pole motor : 360 to 1500 min-1

2-pole motor : 720 to 3000 min-1

Efficiency 96 % x motor efficiency

Control VARMECA

Speed reference

0V or 4mA = minimum spee

10V or 20mA =maximum

speed

•0 - 10V with integrated potentiometer

•0 - 10V with remote potentiometer option

•0 - 10V with external reference

•4 - 20mA with external reference (with RDCVS option)

•0 - 10V with internal potentiometer including speed limiting

with a second internal potentiometer (RDCVS option)

Run/Stop •With 3-phase power supply (10 times per hour max)

•With remote volt-free contact

•With integrated Run/Stop control (CMA option)

Forward/Reverse •With internal connection in the terminal block

•With remote volt-free contact

•With integrated Forward/Reverse/Stop control (CMVAR option)

✶Selection by mini DIP switch, reference S4 situated on the electronic board (access via

rear terminal box cover - see opposite).

VARMECA

Control (continued) VARMECA

Stop modes • On ramp (with volt-free contact or integrated Run/Stop control

• Free wheel stop (by cutting off the 3-phase power supply)

• On electromechanical brake (integrated control)

Ramps • Selection of acceleration and deceleration ramps with volt-

free contact : 2s or 5s (factory setting 5s)

Indications VARMECA

Display Two-colour indicator lamp

• Permanent green light : mains connected

• Flashing green light : overload

• Flashing red light : Fault, under- or overvoltage

• Permanent red light : other fault

Analogue output • Speed image 0 - 10V, 3mA

• 0V = zero speed

• 10V = maximum speed

Protections VARMECA

Power • Undervoltage

• Overvoltage

• Overloads :

- overheating, motor and speed controller

- protection against blocked rotor

• Short-circuit

- motor windings

- phase-earth

Control Short-circuit on inputs or outputs 0-10V

Trip clearance • By powering down the VARMECA

Options VARMECA

Run/Stop control • Integrated in the cover

Forward/Reverse/Stop

control • Integrated in the cover

Without control button • For remote control. Indicator lamp on the VARMECA.

With EMC filter Integrated in the cover

With grouped options Integrated, mounted instead of the mains supply connection

plate

Electromechanical brake • Integrated, the control and power supply do not require any

connection

VARMECA

1.5 - Weight and dimensions

Weight : 4.2 kg in addition to motor weight.

Specifications Level

Protection index IP 55

Storage temperature -40°C to +70°C (IEC 68.2.3)

Transport temperature -40°C to +70°C

Operating temperature -20°C to +40°C (+50°C with derating)

Altitude ≤1000m without derating

Ambient humidity Without condensation

Vibrations IEC 68-2-34 (acceleration 0.01 g2/Hz)

Shocks IEC 68-2-27 (peak acceleration 50g)

Immunity According to EN 50082-2

Conducted and radiated emissions

(

with inte

rated filter option

)

According to EN 50081-2 and : EN 55011 class A

1.4 - Environmental specifications

JLJ

III

Type HJ J I II B3 / B14 B5 B5 with

gearbox

LS 71 195 225 82,5 92,5 8 8 34

LS 80 205 225 82,5 92,5 12 12 39

LS 90 215 225 82,5 92,5 12 32 32

LS 100 220 225 82,5 92,5 12 12 33

LS112 M 220 225 82,5 92,5 - - -

LS 112 MG 229 225 82,5 92,5 22 12 16,5

VARMECA

2 - INSTALLATION

• It is the responsibility of the

owner or user to ensure that the

installation, operation and maintenance

of the inverter and its options comply

with legislation relating to the safety

of personnel, animals and equipment,

and with the current regulations of the

country of use.

• Do not carry out any work

before having disconnected and

locked the speed controller power

supply ; furthermore, it is necessary

to wait 2 minutes to make sure that

the capacitors have discharged.

• After connection, ensure that

the seals are firmly in place, and that

the screws and cable glands are

watertight to ensure IP55 protection.

Clear any condensation from the drain

holes.

2.1 - General

The VARMECA is fitted to the machine

like a standard motor, with flange or foot

mounting.

The motor ventilation cools the whole

assembly. Make sure that the ventila-

tion air inlet is free of obstruction.

The position of the potentiometer and cable

gland supports is specified at the time of

ordering, however they may be reversed

if necessary.

2.2 - Reversing the supports

1) Undo the 3 TORX 20 + slot type

screws and remove the cover.

2) Remove the control button and cable

gland support fastening screws (TORX 10

+ slot type screws).

3) Disconnect the printed circuit layer holding

the control button potentiometer.

4) Reverse the control button and cable

gland supports.

5) Reconnect the printed circuit layer holding

the control button potentiometer and replace

the fastening screws.

6) Replace the cover.

CAUTION :

This operation should only be performed in

exceptional circumstances and must be carried

out by experienced and qualified personnel.

1563PE 42

Filtre

CEM EMC

filter

L3PE

12345

2s Start/Stop

Accel

Decel

678

Avant

intervention

attendre 2mn

Before

maintenance

wait 2mn

ATTENTION CAUTION

10kΩ

12345678

TORX 10 +

slot type screw

1563PE 42

Filtre

CEM EMC

filter

L3PE

12345

2s Start/Stop

Accel

Decel

678

Avant

intervention

attendre 2mn

Before

maintenance

wait 2mn

ATTENTION CAUTION

10kΩ

1234567 8

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