Newport NPC Series Manual de usuario

Instruction Manual

Voltage Piezo Amplifier

Series NPC and NPCSG

Models:

NPC3 & NPC3SG

NPC120 & NPC120SG

Read carefully before switching on the power! Please see also instructions for safety when using

piezoelectric actuators and power supplies!

www.newport.com

English version: last change 2017-02-16 by TP

Table of contents

1Introduction...................................................................................................................4

2Certification of Newport Corporation.............................................................................4

3Declaration of Conformity .............................................................................................5

4Purchased Part Package..............................................................................................6

5Instructions for using piezo electrical elements and power supplies..............................6

6Safety Instructions........................................................................................................7

6.1 Installation, Power Supply.............................................................................................8

6.2 Operation......................................................................................................................9

6.3 Maintenance and inspection .......................................................................................10

6.4 Environmental Conditions...........................................................................................10

7NPC3, NPC3SG, NPC120 and NPC120SG................................................................10

7.1 Keywords....................................................................................................................11

7.2 User Elements / Connections......................................................................................12

7.2.1 Front Panel.................................................................................................................12

7.2.2 Back Panel .................................................................................................................12

7.3 Introduction.................................................................................................................12

7.3.1 Block Diagram ............................................................................................................13

7.3.2 Amplifier with integrated feedback controller...............................................................13

7.3.3 Amplifier without integrated feedback controller.......................................................... 14

7.4 Initiation......................................................................................................................14

7.4.1 Main Supply Voltage...................................................................................................14

7.4.2 Connecting Piezo Actuator .........................................................................................14

7.4.3 Graphic Display NPC3, NPC3SG ...............................................................................15

7.4.4 Graphic Display NPC120, NPC120SG........................................................................15

8Handling .....................................................................................................................16

8.1 Manual Control ...........................................................................................................16

8.2 Controlling via Modulation / Monitor............................................................................16

8.2.1 Modulation..................................................................................................................16

8.2.2 Monitor NPC3SG, NPC120SG....................................................................................16

8.2.3 Monitor NPC3, NPC120..............................................................................................17

8.3 Controlling via Interface..............................................................................................17

8.3.1 Configuration RS232 ..................................................................................................18

8.3.2 Command List Overview.............................................................................................18

8.3.3 Commands.................................................................................................................19

8.3.4 Examples....................................................................................................................21

8.3.5 Calibration of Encoder ................................................................................................22

8.4 Technical Data............................................................................................................24

8.5 Pin Assignment...........................................................................................................25

8.5.1 Output Connector for Actuator D-SUB 15pin...............................................................25

8.5.2 MOD/MON connector D-SUB 25pin............................................................................ 25

8.5.3 RS232 D-SUB 9pin.................................................................................................... 26

8.5.4 USB 1.1......................................................................................................................26

8.5.5 Main Supply Voltage...................................................................................................26

9Troubleshooting..........................................................................................................27

10 Your Notes..................................................................................................................28

www.newport.com

This instruction manual includes important information for using piezo

actuators. Please take time and read this information. Piezo positioning

systems are mechanical systems with highest precision. Correct handling

guarantees the precision over long time.

1 Introduction

This manual describes the piezo amplifiers NPC & NPCSG from Newport Corporation. You

will also find additional information regarding piezoelectric products.

Definition: All systems from Newport Corporation such as electronics, actuators and optical

systems are called units.

If you have any problems please contact the manufacturer of the system: Newport

Corporation, 1791 Irvine Ave. Irvine, CA 92606. Phone: (877) 835-9620

2 Certification of Newport Corporation

The company Newport Corporation works in according to an ISO 9001:2008 certified quality

management system. Its effectiveness is verified and proven by periodic audits by the BSI.

Our certificate can be found at Newport.com.

3 Declaration of Conformity

EU Declaration of Conformity

Product Name: Digital Piezo Amplifier

Model Number: NPC & NPCSG series

Year mark affixed: 2016

Type of Equipment: Electrical equipment for measurement, control and laboratory use in

industrial locations.

Manufacturer: Newport Corporation

1791 Deere Avenue

Irvine, CA 92606

U.S.A.

We hereby certify that the above described device in its conception, construction and form put

by us into circulation is in accordance with all relevant essential requirements of the EMC

Directive 2014/30/EU. This declaration is no longer valid if the device is modified without our

consent.

The agreement with further valid guideline / regulations following for the product is explained:

Low Voltage Directive: 2014 / 35 / EU

EMC Directive: 2014 / 30 / EU

DIN EN 61010-1:2011

I, the undersigned, hereby declare that the equipment specified above conforms to the above

Directives and Standards.

Gwen Briens

Sr. Director, Motion and Instruments Business

Newport Corporation

1791 Deere Ave, Irvine, CA92606 USA

www.newport.com

4 Purchased Part Package

Please check the completeness of the delivery after receiving the shipment:

voltage amplifier NPC3 (NPC3SG, NPC120, NPC120SG)

wide range power supply 24VDC

MOD/MON cable

RS232 cable

USB cable

instruction manual

CD-ROM with drivers, software and instruction manual

5 Instructions for using piezo electrical elements and power supplies

Piezoelectric actuators from Newport Corporation are controlled by voltages up to 150V.

These values can be quite hazardously. Therefore read the installation instructions carefully

and only authorized personal should handle the power supply.

After transportation, piezoelectric actuators should be allowed to adapt for approximately

2 hours to the room temperature before being switched on.

Piezoelectric actuators are made from ceramic materials with and without metallic casings.

The piezo-ceramic is a relatively brittle material. This should be noted when handling

piezoelectrical actuators. All piezo-elements are sensitive to bending or shock forces.

Due to the piezoelectric effect piezo-actuators can generate electrical charges by changing

the mechanical load or the temperature or such actions described above.

Piezoelectric actuators are able to work under high compressive forces. Only actuators with

a pre-load can be used under tensile loads (these tensile forces must be less then the pre-

load, given in the data sheet).

Please note that the acceleration of the ceramic material (e.g., caused by fall down,

discharging or high dynamic application) will occur.

After excitation of the actuators by a voltage in the upper control range, the ceramic will

move and generate an opposite high voltage after disconnection.

Heating of the ceramic material will occur during dynamic operation and is caused by

structure conditional loss processes. This may cause failure if the temperature exceeds

specified values cited below.

With increasing temperature, up to the Curie temperature (usual values approx.

140°C - 250°C), the piezoelectric effect disappears.

Piezoelectric actuators such as stacks or other devices work electrically as a capacitor.

These elements are able to store electrical energy over a long period of time (up to some

days) and the stored energy may be dangerous.

If the actuator remains connected to the drive electronics, it will be unloaded within a

second after shutdown and quickly reaches harmless voltage values.

Piezo-actuators can generate voltages by warming or cooling only (caused by the

longitudinal change). The discharge potential should not be ignored due to the inner

capacitance. This effect is insignificantly at usual room temperature.

Piezo-actuators from Newport Corporation are adjusted and glued. Any opening of the

unit will cause misalignment or possible malfunction and the guarantee will be lost.

Please use only original parts from Newport Corporation.

Please contact Newport Corporation or your local representative, if there are any

problems with your actuator or power supply.

Caution!

Shock forces may damage the built-in ceramic elements. Please avoid such forces, and

handle the units with care, otherwise the guarantee will be lost.

6 Safety Instructions

Icons:

European Union CE Mark

CE Mark

The presence of the CE Mark on New Focus equipment means that this instrument has been designed, tested

and certified compliant to all applicable European Union (CE) regulations and recommendations.

Waste Electrical and Electronic Equipment (WEEE)

WEEE Directive Symbol

This symbol on the product or on its packaging indicates that this product must not be disposed with regular

waste. Instead, it is the user responsibility to dispose of waste equipment according to the local laws. The

separate collection and recycling of the waste equipment at the time of disposal will help to conserve natural

resources and ensure that it is recycled in a manner that protects human health and the environment. For

information about where the user can drop off the waste equipment for recycling, please contact your local

Newport representative.

Control of Hazardous Substances

RoHS Compliant Symbol

This label indicates the products comply with the EU Directive 2011/65/EC that restricts the content of six

hazardous chemicals.

www.newport.com

RISK OF ELECTRIC SHOCK! Indicates that a risk of electric shock is present and the

associated warning should be observed.

CAUTION! REFER TO OPERATOR´S MANUAL –Refer to your operator’s manual for

additional information, such as important operating and maintenance instructions.

RISK OF ELECTRIC SHOCK!

Do not open the units! There are no user serviceable parts inside and opening or removing

covers may expose you to dangerous shock hazards or other risks. Refer all servicing to

qualified service personnel.

Do not spill any liquids into the cabinet or use the units near water.

CAUTION!

Allow adequate ventilation around the units so that heat can properly dissipate. Do not

block ventilated openings or place the units near a radiator, oven or other heat sources. Do

not put anything on top of the units except those that are designed for that purpose (e.g.

actuators).

Work with the units only in a clean and dry environment! Only specially prepared units (e.g.

actuators) can work under other conditions!

Please use only original parts from Newport Corporation.

Newport Corporation does not give any warranty for damages or malfunction caused by

additional parts not supplied by Newport Corporation. Additional cables or connectors will

change the calibration and other specified data. This can change the specified properties of

the units and cause them to malfunction.

Do not place the units on a sloping or unstable cart, stand or table as they may fall or not

work accurately.

Piezo elements are sensitive systems capable of the highest positioning accuracy. They will

demonstrate their excellent properties only if they are handled correctly! Please mount

them properly only at the special mounting points.

Immediately unplug your unit from the wall outlet and refer servicing to qualified service

personnel under the following conditions:

when the power supply cord or plug is damaged

if cleaning supplies or liquid has been spilled or objects have fallen into the unit

if the unit has been exposed to rain or water

if the unit has been dropped or the housing is damaged

6.1 Installation, Power Supply

RISK OF ELECTRIC SHOCK

Do not insert or unplug the power plug with wet hands, as this may result in electrical

shock.

Do not install in rooms, where inflammable substances are stored. If flammable substances

come into contact with electrical parts inside, this may result in fire or electrical shock.

Do not damage or modify the power cord. Also, do not place heavy objects on the power

cord, or pull on or excessively bend it, as this could cause electrical damage and result in a

fire or electrical shock.

Always grasp the plug portion when unplugging the power plug. Pulling on the power cord

may expose or snap the core wire, or otherwise damage the power cord. If the cord is

damaged, this could cause an electricity leak and result in a fire or electrical shock.

CAUTION!

Do not use accessories other than the provided (e.g. power cord). Plug the power cord only

in grounding equipment conductor power sockets.

Do not place any heavy objects on any cables (e.g. power cords, sensor cables, actuator

cables, optical cables).

Do not block ventilated openings or place the units near a radiator, oven or other heat

sources. Do not put anything on top of the units except those that are designed for that

purposes (e.g. actuators).

Plug the power cord completely in the grounding equipment conductor power sockets so

that it cannot loosening inadvertently.

Leave sufficient space around the power plug so that it can be unplugged easily. If objects

are placed around the power plug, you will be unable to unplug it in an emergency.

Install the system in that way that the on/off-switch is accessible without problems.

6.2 Operation

Please note the area with general safety precautions (see section 6ons”)

RISK OF ELECTRIC SHOCK!

Do not spill inflammable substances inside the voltage amplifier. If these items come into

contact with an electrical component inside the voltage amplifier, this may result in a fire or

electrical shock.

CAUTION!

If the voltage amplifier emits smoke, big heat or unusual smells, immediately turn off the

power switch and unplug the power plug from the outlet. Then contact our technical service.

www.newport.com

6.3 Maintenance and Inspection

CAUTION!

When cleaning the exterior box of the voltage amplifier, first turn off the power switch and

unplug the power plug. Failure to observe these items may result in a fire or electrical

shock.

Cleaning the exterior box using a firmly wrung-out cloth. Do not use alcohols, benzene,

paint thinner or other inflammable substances. If flammable substances come into contact

with an electrical component inside the voltage amplifier, this may result in a fire or

electrical shock.

6.4 Environmental Conditions

The amplifier can be used:

indoor

altitude up to 2000 m

temperature: 5 ... 35 °C

relative humidity: 5 ... 95% (non-condensing)

The recommended environmental conditions are:

indoor

altitude up to 2000 m

temperature: 20...22 °C

relative humidity: 5 ... 80% (non-condensing)

7 NPC3, NPC3SG, NPC120 and NPC120SG

These voltage amplifiers are very similar. In case of information which do refer to the NPC3SG

or NPC120SG the symbol “→ not available in NPC3, NPC120” will point it.

NPC3

Piezo amplifier for up to 3 PZT actuators; RS232/USB interface; for piezo actuating systems

without feedback sensor inside, 40mA current per actuator

NPC3SG

Piezo amplifier for up to 3 PZT actuators; RS232/USB interface; for piezo actuating systems

with feedback sensors inside (strain gauge), 40mA current per actuator

NPC120

Piezo amplifier for one PZT actuator; RS232/USB interface; for piezo actuating system without

feedback sensor inside, 120mA current per actuator

NPC120SG

Piezo amplifier for one PZT actuator; RS232/USB interface; for piezo actuating system with

feedback sensor inside (strain gauge), 120mA current per actuator

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