Leybold vacuum Turbotronik nt 10 User manual

GA 05.212/10

TURBOTRONIK

NT 10

NT 12

NT 13

Elektronische

Frequenzwandler

Electronic frequency

converters

Kat.-Nr. / Cat. No.

859 00

859 01

859 04

859 05

859 06

859 07

Vakuum-Lösungen Applikations-

Unterstützungen Service LEYBOLD VAKUUM

Gebrauchsanleitung

Operating Instructions

– 2 –

TABLE OF CONTENTS

SAFETY-WARNING INFORMATION ................................. 4

1 DESCRIPTION .......................................................... 5

1.1 Function of design..................................................................5

1.1.1 TURBOTRONIK NT 10.....................................................6

1.1.2 TURBOTRONIK NT 12.....................................................6

1.1.3 TURBOTRONIK NT 13 with pressure trigger ..................6

1.2 Technical data ........................................................................7

1.3 Scope of supply .....................................................................7

1.4 Accessories ...........................................................................9

2 TURBOTRONIK NT10 CONNECTION AND

OPERATION ........................................................... 10

2.1 Equipment configuration........................................................10

2.1.1 Supply voltage range ......................................................10

2.1.2 Relay assignment............................................................10

2.1.3 Resonance monitoring ....................................................10

2.2 Installing TURBOTRONIK ....................................................11

2.3 Electrical connection.............................................................11

2.3.1 Connecting the relay contacts ........................................11

2. 4 Operating modes / remote control .......................................12

1. Operation via the "START" and "STOP" buttons ..................12

2. Remote control via 2 external pushbutton............................12

3. Remote control via an external switch .................................13

4. Automatic start when the power is switched-on...................13

2.5 Operator control ....................................................................13

3 TURBOTRONIK NT12 CONNECTION AND

OPERATION ........................................................... 14

3.1 Equipment configuration........................................................14

3.1.1 Supply voltage range .........................................................14

3.1.2 Relay assignment...............................................................14

3.1.3 Resonance monitoring function.......................................14

3.2 Installing TURBOTRONIK .....................................................15

3.3 Electrical connection.............................................................15

3.3.1 Connecting the relay contacts ........................................15

3.4 Operating modes/remote control .........................................16

1. Remote control via 2 external pushbuttons..........................16

2. Remote control via an external switch .................................17

3. Automatic start when the power is switched-on...................17

3.5 Operator control ....................................................................17

4 TURBOTRONIK NT13 CONNECTION AND

OPERATION ........................................................... 18

4.1 Equipment configuration........................................................18

4.1.1 Supply voltage range ......................................................18

4.1.2 Relay assignment............................................................18

4.1.3 Resonance monitoring function.......................................18

4.2 Installing TURBOTRONIK .....................................................19

– 3 –

TABLE OF CONTENTS

4.3 Electrical connection.............................................................19

4.3.1 Connecting the relay contacts (also refer to Fig. 8) ........19

4.3.2 Connecting the test sockets ...........................................20

4.4 Operating modes/remote control ..........................................21

4.5 Operator control ....................................................................21

5 SETTING THE EQUIPMENT CONFIGURATION ......... 22

5.1 Selecting the supply voltage range .......................................22

5.2 Withdrawing the PC boards...................................................23

5.2.1 NT10 ...............................................................................23

5.2.2 NT12 ...............................................................................23

5.2.3 NT13 ...............................................................................23

5.3 Locations of the plug-in and jumpers ...................................24

5.4 Relay statuses .....................................................................25

5.5 Setting the configuration of relay K1 ....................................26

5.6 Setting the configuration of relay K2 ....................................26

5.7 Setting the resonance monitoring funct. ..............................27

5.8 Jumper field S2 ....................................................................27

5.9 Measuring the motor frequency ...........................................28

5.10Connecting examples for remote control .............................29

EC DECLARATION OF MANUFACTURE ......................... 32

EC DECLARATION OF CONFORMITY ............................ 33

FACTORY CERTIFICATE ................................................ 34

FIGURES

Fig.1 TURBOTRONIK NT10 ............................................................6

Fig.2 TURBOTRONIK NT12 ............................................................6

Fig.3 TURBOTRONIK NT13 ............................................................6

Fig. 4 Dim.drawings of the Turbotronik NT10, NT12, NT13..............8

Fig. 5 Rear panel of the TURBOTRONIK NT10..............................12

Fig. 6 TURBOTRONIK NT 12, pin assignment...............................16

Fig. 7 TURBOTRONIK NT 13, pin assignment...............................20

Fig. 8 Voltage at the front panel test sockets .................................20

Fig. 9 Setting the supply voltage range..........................................22

Fig.10 Supply voltage selector switch TURBOTRONIK NT12 .......22

Fig. 11 Layout Platinen NT10 ........................................................24

Fig. 12 PC board layouts NT12 and NT13.....................................25

Fig. 13 - 17 Setting the configuration of relay K1 ...........................26

Fig. 18 - 22 Setting the configuration of relay K2 ......................26/27

Fig. 23 Setting the resonance monitoring function .........................27

Fig. 23 - 26 Jumper field S2 ......................................................27/28

Fig. 28 Diagram, measuring the motor frequency........................28

Fig. 29 Measuring the motor frequency.........................................28

Fig. 30 - 35 Connecting examples for remote control ..................29

Note (5/3) = refers to figure. The first digit refers to the number

of the figure, the second digit to the position.

– 4 –

SAFETY-WARNING INFORMATION

Warning about the potential hazards of this equipment

This unit has voltages at hazarous potentials! Death, severe

bodily injury or significant material damage can occur if the

instructions in this Instruction Manual are not observed. Only

appropriately qualified personnel may work with this equipment.

This personnel must be knowledgeable about all of the warning

information and measures which are specified in this Instruction

Manual for the transport, installation, operator control and

troubleshooting of the equipment. The successful and safe

handling of this equipment requires that it is professionally

transported, installed and handled.

Caution

Disconnect the equipment from the supply and lock-out against

accidental reclosure before opening-up the equipment. When

connecting an external voltage of > 42 V to the terminals of the

unit, the VDE safety regulations must be observed!

Caution

This device contains devices which can be destroyed by

electrostatic discharge (ESD)!

Qualified personnel are personnel who are either suitably qualified

electricians or have had some form of electrical training in the

sense of EN 60204 Part 1, 3.55 and 3.30.

The electronic frequency converters NT10, NT12 and NT13 are

exclusively used for feeding turbo-molecular pumps

TURBOVAC 50 (Cat. No. 854 00, 854 01, 854 02 and 853 99)

TURBOVAC 50D (Cat. No. 856 60, 856 61, 856 62 and 856 63)

The connecting cables, specified under Section 1.4 must be used

to connect-up the above mentioned turbo-molecular pumps.

The EC manufacturer’s declaration becomes null and void

if the unit is changed without consulting us beforehand, or

if it is used for another purpose than it was originally

designed for!

It is not permissible to make changes or modifications on the

equipment for safety reasons. We retain the right to change the

mechanical design and revise the technical data.

Caution: Is specified for working- and operating procedures which

must be precisely maintained in order to avoid personnel being

subject to hazards.

Warning: Refers to working- and operating procedures which must

be precisely maintained in order to prevent the equipment being

damaged or destroyed.

Keep the Instruction Manual in a safe place for future use!

Qualified personnel

Proper use and

operation

Definition of caution

Definition of warning

– 5 –

DESCRIPTION 1

Operating statuses

1.1 Function of design

The electronic TURBOTRONIC NT 10, NT 12 and NT 13

frequency converters are used to drive TURBOVAC 50 and 50 D.

They differ as follows:

nthe housing

nthe connectors,

noperator control possibilities

nscope of supply, and

nin the configuration in which they are supplied.

The electronic frequency converters convert the single-phase

supply voltage into a three-phase AC voltage to control the

TURBOVAC induction motor.

The frequency converters operate according to a specific cycle:

The motor is driven for approximately 1 second and the

monitoring measurements are executed in the following 0.1

seconds.

The following operating statuses are displayed using LEDs:

nsupply voltage present

nrun-up

nstandard and

nfault Optionally

Various signals are available via 2 relay outputs.

After the start, the pump continuously accelerates with the

maximum current. This is identified by the yellow LED „ACCEL“

(acceleration) which is lit. The green „NORMAL“ LED is lit and

the „ACCEL“ LED goes dark when approximately 90% of the

rated speed is reached.

The speed is continuously monitored and controlled. When the

speed cannot be maintained, even at the maximum current, as a

result of external influences, e.g. excessive gas feed, the speed

decreases and the pump continues to operate.

When a rotational frequency of approximately 500 Hz is fallen

below, the „ACCEL“ LED lights-up on the frequency converter.

The TURBOTRONIK now attempts to accelerate the pump up to

its reference frequency.

The frequency converter outputs are no-load- and short-circuit

proof.

The electronic TURBOTRONIK frequency converters can be

connected to external open-loop control- and monitoring devices

with electrical isolation.

The cable connections between TURBOTRONIK - TURBOVAC

can be a maximum of 100 m.

Run-up and operation

Application and

function

Outputs

– 6 –

DESCRIPTION 1

1.1.1 TURBOTRONIK NT 10

Desktop unit or

for mounting in a rack 1/4 19”, 3 HE

Front panel: Membrane keypad, 4 LEDs, “START”

and “STOP” keys

Housing: Extruded aluminum housing.

Rear panel: 10-pin Phönix connector for remote

monitoring and control, 5-pin connector to connect

the TURBOVAC, 3 m long power cable with

protective contact connector and

power switch

1.1.2 TURBOTRONIK NT 12

Chassis unit

Front panel: 4 LEDs.

Housing: Sheet-steel housing with screen plate

Rear panel: Plug connector strip in accordance

with DIN 41 612 with 15 contacts to connect the

TURBOVAC, the power and the remote control and

monitoring.

Note

A switch must be installed on the system side to

allow the equipment to be isolated from the supply!

1.1.3 TURBOTRONIK NT 13 with

pressure trigger

For mounting in rack ¼ 19“ rack, 3 HE

Front panel: Membrane-coated front panel with 4

LEDs and 2 test sockets

Housing: Extruded-aluminum housing.

Rear panel: Sheet steel, plug connector strip in

accordance with DIN 41 612 with 15 contacts to

connect the TURBOVAC, the power and the

remote control and monitoring.

Note

A switch must be installed on the system side to

permit the equipment to be isolated from the line

supply!

Fig.1 TURBOTRONIK NT10

Fig.2 TURBOTRONIK NT12

Fig.3 TURBOTRONIK NT13

– 7 –

DESCRIPTION 1

1.2 Technical data

Supply voltage ranges..............................100-140 V AC,-10%/+16%

Can be switched-over to .................................. 200-240 VAC, ±10%

Supply frequency ................................................................ 50/60 Hz

Line fuse (F1 internal) ....................................................T 1A / 250 V

Rated speed of the TURBOVAC ................... 72,000 RPM = 1200 Hz

Briefly when accelerating.................................... up to 64 VA (45 W)

Continuously in operation (rated speed) ...................... 35 VA (18 W)

Idle operation (no-load) .................................................... 6 VA (3 W)

Voltage ............................................................................... 3 x 150 V

Supply frequency ................................................................. 1200 Hz

Frequency range of the output voltage.......................... 220-1250 Hz

in operation ...................................................................... 0°C - 40°C

storage ...................................................................... -40°C to +85°C

Switching voltage ........................................... £ 250 VAC, £ 30 V DC

Switching current ................................................ £ 6 AAC, £ 5 V DC

Switching power for DC.........................................................£ 150 W

Switching power for AC ......................................................£ 1500 VA

The units have degree of protection IP20 in accordance with

EN 60 529. An increased degree of protection, e.g. IP54 can only be

realized by mounting the units in other housings.

TURBOTRONIK NT 10.............................................................1.5 kg

TURBOTRONIK NT 12.............................................................1.5 kg

TURBOTRONIK NT 13.............................................................1.5 kg

TURBOTRONIK NT 10................................................. 1/4 19”, 3 HE

TURBOTRONIK NT 13................................................. 1/4 19”, 3 HE

1.3 Scope of supply

The connecting cable to the TURBOVAC is not included in the

scope of supply!

1.3.1 TURBOTRONIK NT 10

TURBOTRONIK NT 10, miniature fuses, mating connector for the

Phönix connector (control terminal strip X10), attachable feet for

desktop operation, 4 adhesive feet, four M 3x8 screws, the power

cable is permanently attached.

1.3.2 TURBOTRONIK NT 12

TURBOTRONIK NT 12, miniature fuse.

1.3.3 TURBOTRONIK NT 13

TURBOTRONIK NT 13, miniature fuses, 4 screws for rack

installation.

Power consumption

Outputs

Ambient temperature

Max. load capability of

the relay contacts

Weigt

Dimensions and

housing dimensions

(refer to Fig. 4)

Degree of protection

Supply

– 8 –

TURBOTRONIK NT10

TURBOTRONIK NT12

TURBOTRONIK NT13

DESCRIPTION 1

Panel cut-out for

TURBOTRONIK NT10

and N13

Fig. 4 Dimension drawings of the TURBOTRONIK NT10, NT12, NT13

– 9 –

DESCRIPTION 1

1.4 Accessories

Ordering information

Cat.-N0.

TURBOTRONIK NT 10

200 V - 240 V..................................................................... 859 00

100 V - 120 V..................................................................... 859 01

TURBOTRONIK NT 12

200 V - 240 V..................................................................... 859 04

100 V - 120 V..................................................................... 859 05

TURBOTRONIK NT 13

200 V - 240 V..................................................................... 859 06

100 V - 120 V..................................................................... 859 07

Connecting cable from the TURBOVAC to

TURBOTRONIK NT10

1 m long.......................................................................20011609

3 m long.............................................................................12108

5 m long.............................................................................12109

15 m long.............................................................................11990

TURBOTRONIK NT12

3 m long............................................................................857 54

TURBOTRONIK NT13

1 m long............................................................................857 56

A mating connector for the plug connector strip X11 including 15

contact pins are supplied with the connecting cable (only NT12,

NT13).

Accessories to mount NT 12 in a rack on request.

Electronic frequency

converter

Connecting cable

– 10 –

2.1 Equipment configuration

2.1.1 Supply voltage range

TURBOTRONIK NT10 can be operated with two supply voltages;

between 200-240 V or between 100-120 V.

It is set in the factory for a specific supply voltage range which can

be identified by the Order No., refer to the Catalog No. under Sec-

tion 1.4.

Caution

TURBOTRONIK will be damaged if it is connected to the wrong

line supply voltage.

Refer to Section 5.1 when changing-over the supply voltage range.

2.1.2 Relay assignment

TURBOTRONIK NT10 has 2 relays; the “NORMAL” (K1) and

“FAIL”/ fault (K2) signals are available at its outputs.

Relay K1 is available as changeover contact. The relay function

of K2 can be changed using a jumper. Further, relay K2 can be

changed over from an NO contact to an NC contact.

Relay K2 can be used to control the “pre-vacuum pump”. In this

case, it is active after the start, and inactive after the

TURBOVAC has been brought to a standstill, also refer to

Section 5.

2.1.3 Resonance monitoring

TURBOTRONIK NT 10 has a resonance monitoring function for

the TURBOVAC 50D. The resonance monitoring function shuts

down the drive and displays a fault if the pump remains in the

speed range between 45,000 and 55,000 RPM for longer than

approximately 1 minute. When shipped, the resonance monitoring

function is active, and can be disabled when operating the

TURBOVAC 50; also refer to Section 5.6.

Caution

If TURBOVAC 50D is used without the resonance monitoring

function, this can lead to bearing damage.

The equipment may only be connected-up by a suitably

trained electrician or under his supervision in accordance

with the valid IEC (international), EN (European) and/or do-

mestic guidelines.

Caution

The TURBOTRONIK NT10 has parts and components at hazard-

ous voltage levels. Before carrying out any work with the equip-

ment open, it must be isolated from the line supply and locked-

out against accidental re-closure.

TURBOTRONIK NT10 CONNECTION AND OPERATION 2

Status when shipped

K2: Controlling the

prevacuum pump

Relaisbelegung umstel-

len

Tip

Werecommend thatif you

changethe relayassignment

orif theresonance monitoring

isdisabled, thenthis

shouldeither benoted on

theequipment itself,or

documentedin theassociated

InstructionManual.

– 11 –

2.2 Installing TURBOTRONIK

TURBOTRONIK NT 10 is supplied in a housing as desktop unit.

When required, feet can be attached to the lower side. The feet

can be attached by inserting them into the lowest groove of the

corner strip from the back and pushing them towards the front

until they lock-in. Attach the four adhesive feet to the lower side

of the equipment feet and in the rear area of the unit.

TURBOLINK NT 10 can be installed in a rack. Ensure that it is

ad-equately ventilated. In operation, it is not permissible that the

ambient temperature exceeds 40°C.

If the rear panel of the TURBOTRONIK is no longer accessible

after it has been installed, switch-on the power switch (5/2)

beforehand.

Four holes in the front panel are used to install it in 19” racks.

2.3 Electrical connection

Insert the connecting cable to the TURBOVAC at the socket (5/4)

and at the TURBOVAC motor. The connector is secured using the

screw provided.

Note

It is impossible to incorrectly insert the pump connector as a

result of the different pins. When correctly assembled, this

plug connection has degree of protection IP65.

If you assembly your own connecting cable, observe that it can

be a maximum of 100 m long. Only use double-screened cables

with the appropriate insulation. If you require any further

information, please inquire.

Caution

High discharge currents! If the connecting cable between the

TURBOVAC and TURBOTRONIK is longer than 10 m, protective

ground must be connected to both units.

Connect the grounding cable (5/3) to the central grounding rail.

Connect the supply using the power cable (5/1).

2.3.1 Connecting the relay contacts

The “NORMAL” and “ACCEL” (acceleration) operating statuses

can be interrogated at pins 5,6,7.

Pins 6-7 closed: “NORMAL”

Pins 5-6 closed: “ACCEL”, standstill or fault

When a fault occurs, pins 9 and 10 are jumpered (NO contact).

The relays can be assigned differently, also refer to Section

2.3.2 and Chapter 5.

The supply voltage or functional low voltage can be connected

to the relay contacts. Observe the appropriate safety

regulations.

TURBOTRONIK NT10 CONNECTION AND OPERATION 2

Protective conductor

connection

Operating as desktop

unit

Rack insatllation

– 12 –

TURBOVAC

START

STOP 1

STOP 2

NORMAL

OPERATION

FOREPUMP

FAILURE /

FUSE:

90.. 140V / T1A

180..260V / T1A

MAIN

TURBOTRONIK NT10 CONNECTION AND OPERATION 2

Operating mode 1

Operating mode 2

5 Controlinputsand

relayoutputs

(Phönixconntector, X10)

4 TURBOVAC power supply

3 Groundcableconnection

(M4 stud with nut and

serated washer)

2 Power switch

1 Power cable

Fig.5 Rear panel of the TURBOTRONIK NT10

2. 4 Operating modes / remote control

When TURBOTRONIK NT 10 is shipped 4 operating modes are

possible by appropriately connecting inputs 1, 2 and 3 of control

connector X10 at the rear panel of the TURBOTRONIK .

The equipment confoguration can also be changed-over to

other functions using plug-in jumpers and orher jumpers; also

refer to Section 5.

Refer to Section 5.9 for circuit examples for remote control.

1. Operation via the "START" and "STOP" buttons

Jumper between pins 2 and 3 (status when shipped).

The TURBOVAC is started and stopped using the "START" and

"STOP" buttons on the membrane keypad.

2. Remote control via 2 external pushbutton

The TURBOVAC starts if "START" (pin 1) is connected to the pin

2 for a minimum of 3 seconds using an NO contact. The

TURBOVAC stops in the connection between the two inputs, pin

2 and 3 "STOP" is disconnected using an NC contact.

– 13 –

TURBOTRONIK NT10 CONNECTION AND OPERATION 2

3. Remote control via an external switch

Connect pins 1 and 2 (jumper).

The TURBOVAC starts if “STOP2” (pin 3) is connected to the

jumper, pin 1-2. The TURBOVAC stops if this connection is

interrupted.

4. Automatic start when the power is switched-on

Connect the three pins 1, 2 and 3 with one another. TURBOVAC

starts automatically when the supply voltage is connected.

TURBOTRONIK can also be controlled via relays, optocouplers

or open-collector circuits.

2.5 Operator control

Switch-on TURBOTRONIK, the “POWER” LED must light-up.

Depress the “START” button, or start TURBOVAC via remote

control, refer to Section 2.4.

The pump runs-up. The “ACCEL” LED (acceleration) lights-up.

The “NORMAL” LED lights-up and the “ACCEL” LED goes dark

when approximately 90% of the rated speed is reached.

Depress the “STOP” button, or shutdown TURBOVAC via remote

control, refer to Section 2.4.

Only the “POWER” LED is lit.

After a fault has been removed, also depress the “STOP” button,

or shutdown TURBOVAC via remote control and then restart it.

Starting TURBOVAC

Switching-off

TURBOVAC

Operating mode 3

Operating mode 4

– 14 –

The equipment may only be connected-up by a suitably

trained electrician or under his supervision in accordance

with the valid IEC (international), EN (European) and/or

domestic guidelines.

Caution

The plug connector strip of TURBOTRONIK NT12 is not

shockproof. Thus, the equipment must be installed in a housing

which is shockproof. The TURBOTRONIK NT 12 has

components and parts at hazardous voltage levels. Before

carrying out any work with the equipment open, it must be

isolated from the line supply and locked-out against accidental

re-closure.

3.1 Equipment configuration

3.1.1 Supply voltage range

TURBOTRONIK NT 12 can be operated with two supply voltages;

between 200-240 V or between 100-120 V. It is set in the factory

for a specific supply voltage range which can be identified by the

Order No., refer to Catalog No. under Section 1.4.

Caution

TURBOTRONIK will be damaged if it is connected to the wrong

line supply voltage.

Refer to Section 5.1 when changing-over the supply voltage

range.

3.1.2 Relay assignment

TURBOTRONIK NT 12 has 2 relays; the “NORMAL” (K1) and

“FAIL”/ fault (K2) signals are available at its outputs when the

equipment is shipped.

These relay functions can be changed using a jumper. Further,

both relays can be changed over from an NO contact to an NC

contact. Also refer to Section 5.

Relay K2 can be used to control the “pre-vacuum pump”. In this

case, it is active after the start, and inactive after the

TURBOVAC has been shutdown.

3.1.3 Resonance monitoring function

TURBOTRONIK NT 12 has a resonance monitoring function for

the TURBOVAC 50D. The resonance monitoring function shuts

down the drive and displays a fault if the pump remains in the

speed range between 45,000 and 55,000 RPM for longer than

approximately 1 minute. When shipped, the resonance monitoring

function is active, and can be disabled when operating the

TURBOVAC 50; also refer to Section 5.6.

TURBOTRONIK NT12 CONNECTION AND OPERATION 3

Changing-over the relay

assignment

Status when shipped

K2: Controlling the

pre-vacuum pump

– 15 –

Caution

If TURBOVAC 50D is used without the resonance monitoring

function, this can lead to bearing damage.

Further, the assignment of the control inputs can be changed so

that the motor frequency of the TURBOVAC can be measured,

also refer to Section 5.8.

3.2 Installing TURBOTRONIK

Mount the TURBOTRONIK using M3 bolts. The cover has 4 holes

for this purpose, refer to Fig. 4, Dimension drawings.

Ensure that the equipment is adequately ventilated! In operation,

it is not permissible that the ambient temperature exceeds 40°C.

3.3 Electrical connection

The supply, the TURBOVAC, relays and control inputs are

connected via the plug connector strip at the rear of the unit;

refer to Fig. 6 for the pin assignment.

Caution

The line supply voltage can be present at various locations of

the connector strip. Only touch the connector connections when

the TURBOTRONIK is isolated from the line supply.

A mating connector to the plug connector strip is supplied with

the connecting cable to TURBOVAC. Connect the connecting able

in accordance with the attached drawing “installation information,

pump cable”.

If you assemble you own connecting cable, observe that it can

be a maximum of 100 m long. Only use double screened cables

with the appropriate insulation. If you require any further

information please inquire.

Caution

High discharge currents! If the connecting cable between the

TURBOVAC and TURBOTRONIK is longer than 10 m, protective

ground must be connected to both units.

3.3.1 Connecting the relay contacts

The “NORMAL” and “ACCEL” (acceleration) operating statuses

can be interrogated at pins 8 and 10.

· Pins 8-10 closed: “NORMAL”

· Pins 8-10 open: “ACCEL”, standstill or fault

When a fault occurs, relay 2 pulls-in and pins 12 and 14 are

jumpered (NO contact).

TURBOTRONIK NT12 CONNECTION AND OPERATION 3

Tip

We recommend that if you

change the relay assignment or

if the resonance monitoring

function is disabled, then this

should either be noted on the

equipment itself, or

documented in the associated

Instruction Manual.

Protective conductor

connection

– 16 –

TURBOTRONIK NT12 CONNECTION AND OPERATION 3

Operating mode 1

Plug connector strip

X11

Fig. 6 TURBOTRONIK NT 12

Pin assignment of the plug connector strip when shipped

Input2:"STO P 1"

Input3:"STO P 2"

8/10 relay contact

"N O R M A L"closed

"AC C EL" open

12/14 relay contact"Fail"

"Fail"= closed

Input1:"STAR T"

TURBOVAC

PE (protective condu.)

2nd cable screen

G round

1stprotective conductor

N (neutralconductor)

PE (protective conductor)

L (phase)

SUPPLY

The relays can be assigned differently, also refer to Section

5.4.

The supply voltage or functional extra low voltage can be con-

nected to the relay contacts. Observe the appropriate safety

regulations.

3.4 Operating modes/remote control

When TURBOTRONIK NT 12 is shipped, 3 operating modes are

possible by appropriately connecting inputs, pins 4, 6 and 16 of

the plug connector strip.

The equipment configuration can also be changed-over to

other functions using plug-in jumpers and other jumpers; also

refer to Section 5.

Refer to Section 5.9 for circuit examples for remote control.

1. Remote control via 2 external pushbuttons

TURBOVAC starts if “START” (pin 16) is connected for at least 3

seconds with pin 4 via an NO pushbutton. TURBOVAC stops if

the connection to the “STOP” inputs (pins 4 and 6) is interrupted

using an NC contact.

– 17 –

2. Remote control via an external switch

Establish a conection between pins 4 and 16. TURBOVAC starts

if “STOP2” (pin 6) is connected to pin 4 via a switch. TURBOVAC

stops if the connection is re-interrupted.

3. Automatic start when the power is switched-on

Connect all of the three pins (4, 6, 16) with one another.

TURBOVAC starts automatically when the supply voltage is

connected.

TURBOTRONIK can also be controlled via relays, optocouplers

or open-collector circuits.

3.5 Operator control

Switch-on the TURBOTRONIK power supply, the “POWER” LED

must light-up.

Start TURBOVAC via remote control, refer to Section 3.4.

TURBOVAC accelerates. The “ACCEL” (acceleration) LED lights-

up.

The “NORMAL” LED lights-up and the “ACCEL” LED goes dark

when approximately 90% of the rated speed is reached.

Switch-off TURBOVAC via the remote control; refer to Section

3.4.

Only the “POWER” LED is lit.

After a fault has been removed, also shutdown the TURBOVAC

via the remote control and then restart it.

TURBOTRONIK NT12 CONNECTION AND OPERATION 3

Strating TURBOVAC

Switching-off

TURBOVAC

Operating mode 2

Operating mode 3

– 18 –

TURBOTRONIK NT13 CONNECTION AND OPERATION 4

The equipment may only be connected-up by a suitably

trained electrician or under his supervision in accordance

with the valid IEC (international), EN (European) and/or

domestic guidelines.

Caution

The plug connector strip of TURBOTRONIK NT13 is not

shockproof. Thus, the equipment must be installed in a housing

which is shockproof. The TURBOTRONIK NT13 has components

and parts at hazardous voltages. Before carrying out any work

with the equipment open, it must be isolated from the line supply

and locked-out against accidental re-closure.

4.1 Equipment configuration

4.1.1 Supply voltage range

TURBOTRONIK NT 13 can be operated with two supply voltages;

between 180-260 V or between 90-140 V.

It is set in the factory for a specific supply voltage range which

can be identified from the Order No., refer to Catalog No. under

Section 1.4.

Caution

TURBOTRONIK will be damaged if it is connected to the wrong

line supply voltage.

Refer to Section 5.1 when changing-over the supply voltage

range.

4.1.2 Relay assignment

TURBOTRONIK NT13 has 2 relays; Relay K 1 is used as

pressure trigger. It is switched, if a specified DC link current in

the TURBOTRONIK is fallen below. This DC link current

corresponds to a specific pressure under defined conditions.

When shipped, relay K 2 is not used. When it is connected, the

supply voltage outputs at pins 12 and 14 are no longer available.

The relays, when required, can be assigned, so that K1 indicates

the “NORMAL” operating status, and relay K2 can be used to

indicate faults or to control the pre-vacuum pump. Further, it is

possible to changeover from NC contact to NO contact. Also

refer to Section 5.

4.1.3 Resonance monitoring function

TURBOTRONIK NT 13 has a resonance monitoring function for

the TURBOVAC 50D. The resonance monitoring function shuts

down the drive and displays a fault if the pump remains in the

speed range between 45,000 and 55,000 RPM for longer than

approximately 1minute.

When shipped, the resonance monitoring function is active, and

can be disabled when operating the TURBOVAC 50; also refer to

Section 5.6.

Changing-over the relay

assignment

Tip

We recommend that if you

change the relay assignment

or if the resonance monitoring

function is disabled, then this

should either be noted on the

equipment itself, or documented

in the associated Instruction

Manual.

Status when shippel

– 19 –

TURBOTRONIK NT13 CONNECTION AND OPERATION 4

Caution

If TURBOVAC 50D is used without the resonance monitoring

function, this can lead to bearing damage.

4.2 Installing TURBOTRONIK

TURBOTRONIK NT13 is designed for mounting in 19” racks. Four

holes are provided in the front panel for mounting.

Ensure that the equipment is adequately ventilated and, in

operation, it is not permissible that the ambient temperature

exceeds 40°C.

4.3 Electrical connection

The supply, the TURBOVAC, relays and control inputs are

connected via the plug connector strip at the rear of the unit;

refer to Fig. 7 for the pin assignment.

Caution

The line supply voltage can be present at various locations on

the connector strip. Only touch the connector connections when

the TURBOTRONIK is isolated from the line supply.

A mating connector to the plug connector strip is supplied with

the connecting cable to TURBOVAC. Connect-up the connecting

cable in accordance with the attached drawing “installation

information, pump cable”.

If you assemble you own connecting cable, observe that it can

be a maximum of 100 m long. Only use double screened cables

with the appropriate insulation. If you require any further

information please inquire.

Caution

High discharge currents! If the connecting cable between the

TURBOVAC and TURBOTRONIK is longer than 10 m, protective

ground must be connected to both units.

4.3.1 Connecting the relay contacts (also refer to Fig. 8)

A pressure trigger can be interrogated at pins 8 and 10

nPins 8-10 closed: The DC link current in the TURBOTRONIK is

lower than a specified limit value

nPins 8-10 open: The DC link current in the TURBOTRONIK is

greater than a specified limit value.

The limit value setting is very dependent on the particular

application. When required, please contact us.

The supply voltage or functional extra low voltage can be

connected to the relay contacts. Observe the appropriate safety

regulations.

Protective conductor

connection

Rack mounting

– 20 –

TURBOTRONIK NT13 CONNECTION AND OPERATION 4

Fig. 7 TURBOTRONIK NT 13;

Pin assignment of the plug connector strip when shipped

Plug connector strip

X11, NT13

4.3.2 Connecting the test sockets

A voltage is available at the front panel test sockets, which is

pro-portional to the DC link current in the TURBOTRONIK ( 1 mV

= 1 mA). For specific operating statuses, this current can be

assigned a particular inlet pressure; also refer to Fig. 8.

The relationship between the pressure and current depends on

the particular application. Please contact us if you have any

questions.

Voltage at the test

socket

Fig. 8 Voltage at the front panel test sockets as a function of

time when TURBOTRONIK is switch-on (qualitative)

8/10 relay contact"pressure trigger"

Supply L (phase)

e.g.forthe fan

TURBOVAC

P E (protective conduct.)

2nd cable screen

G round

1stcable screen

N (neutralconductor)

PE (protective conductor)

L (phase)

SUPPLY

N otassigned/connected

w hen the equipm entis shipped

Supply N (neutralconductor)

e.g.forthe fan

N otassigned/connected

w hen the equipm entis shipped

N otassigned/connected

w hen the equipm entis shipped

Q uiescentvoltage in the unit

Q uiescentvoltage is reduced

TURBOVAC accelerateswith

maximum current

C urrentand voltage decrease

w ith decreasing inletpressure

ro x . 9 0 s tim e

Voltag

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