piezosystemjena 12V40 Series User manual

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Instruction Manual
Voltage Amplifier 12V40 Series
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Table of Contents
1. Introduction 19
2. Certification of piezosystem jena 19
3. Declaration of conformity 20
4. Instructions for using piezoelectrical elements and power supplies 21
5. Safety instructions 22
6. Instructions for checking the function of the system / quick start 23
7. How to operate the 12V40 24
7.1. Technical data 24
7.2. Initialization 25
7.3. Service 25
7.4. SMB modulation input: MOD 26
7.5. SMB monitor output socket: MON 26
7.6. Actuator socket: OUT 26
7.7. Switch closed loop (12V40SG / 12V40CLE) 26
7.8. Wiring of the rear panel connector 27
7.9. Possibilities of the error correction 29
8. Your notes 30
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1. Introduction
This manual describes the voltage amplifier series 12V40 from piezosystem
jena. This series contains following amplifiers: 12V40, 12V40SG, 12V40CLE,
24V40, 24V40SG, 24V40CLE, 12V40C und 12V40CSG.This manual also
offers you additional information about piezoelectric products.
2. Certification of piezosystem jena
The company piezosystem jena GmbH has been certified by DIN EN ISO
9001:2000.
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3. Declaration of conformity
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4. Instructions for using piezoelectrical elements and power
supplies
Piezoelectric actuators from piezosystem jena are controlled by voltages
up to 150V. These values can be quite hazardous. Therefore read the
installation instructions carefully. 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 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) can cause damage to
the actuator.
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 various tables work electrically as
a capacitance. These elements are able to store electrical energy over a
long period (up to some days) and the stored energy may be dangerous.
If the actuator remains connected to the drive electronics, it is discharged
within a second after shutdown and quickly reaches harmless voltage
values.
Piezo-actuators can generate voltages by warming or cooling only. The
discharge potential should not be ignored due to the inner capacitance. This
effect is insignificant at usual room temperature.
Piezo-actuators from piezosystem jena are adjusted and glued. Any
opening of the unit will cause misalignment or possible malfunction and the
guarantee will become invalid.
Please contact piezosystem jena or your local representative, if there are
any problems with your actuator or power supply.
Caution! Shock forces may damage the built-in ceramic element. Please
avoid such forces, and handle the units with care, otherwise the guarantee
will become invalid.
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5. Safety instructions
Do not open the units! There are no user serviceable parts inside. Opening
or removing covers may expose you to dangerous shock hazards or other
risks. For servicing please refer to qualified service personnel.
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 accessory designed for that purpose (e.g. actuators).
Do not spill any liquids into the cabinet or use the units near water.
Do not insert objects of any kind into the cabinet slots, as they may touch
dangerous voltage points, which can be harmful or fatal or may cause
electric shock, fire or equipment failure.
Do not place any heavy objects on any cables (e.g. power cords, sensor
cables, actuator cables, optical cables). Damage may cause malfunction or
shock or fire!
Do not place the units on a sloping or unstable cart, stand or table as they
may fall or not work accurately.
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 piezosystem jena.
piezosystem jena does not give any warranty for damages or malfunction
caused by additional parts not supplied by piezosystem jena. 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.
Piezoelements 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:
owhen the power supply cord or plug is damaged
oif liquid has been spilled or objects have fallen into the unit
oif the unit has been exposed to rain or water
oif the unit has been dropped or the housing is damaged
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6. Instructions for checking the function of the system / quick start
When you open the package, please check to make sure all the necessary
parts are complete (see packing list) and nothing is damaged.
Check the electronics and the actuator for any visible damage:
The top and bottom plate of the actuator (if it does not have another shape)
should be parallel each to each other, without scratches.
If there is any damage to the system please contact our local representative
immediately!
If the packaging material is damaged please confirm this with the shipping
company.
Before you switch on the system, please check:
The main voltage supplied in your country is the same as installed for the
external power supply (not included in the shipment!).
The secondary voltage (DC) matches with the amplifier.
Connect the power cable.
Connect the piezo-element by using the LEMO connector.
Turn off closed-loop (12V40SG / 12V40CLE).
Switch on the power supply. The red LED indicates the amplifier is working.
By turning the potentiometer to its maximum position, the actuator will reach
its maximum movement.
Offset is accomplished by the offset potentiometer or external offset (e.g. a
load). Because of the fast motion of the actuator a noise or crack can be
heard. This is normal and not a malfunction.
Turn the potentiometer into the minimum position.
12V40SG / 12V40CLE:
Turn on closed-loop. Turn the potentiometer into the maximum position, the
actuator does its maximum closed-loop movement. Turn the potentiometer
into the minimum position and switch off closed-loop.
Switch off the power supply. Take care the potentiometer is in minimum
position.
The function check is completed now.
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7. How to operate the 12V40
The voltage amplifier series 12V40 was especially developed for one channel
positioning tasks in optics, laser physics, microbiology, machining. With an
output noise less than 0.3mV it is well suited for positioning in the sub-nm
range. It is well suited for OEM applications.
7.1. Technical data
supply voltage
+12V DC (optional +24V DC)
max. current
1A @ 12V DC (0.5A @ 24V DC)
dimensions BxHxT [mm]
173mm x 130mm/105mm x 45mm
mass [g]
800
channels
1
output power [W]
6
output current [mA]
40
output voltage (OUT)
-10...+150 V
output connector (OUT)
LEMO 0S.302
modulation input (MOD)
0...+10V SMB
inner resistance
10kΩ
monitor voltage (MON)
-1...+15V SMB (0..+10V on SG / CLE)
0...+10V rear panel
Inner resistance
100kΩ(SMB) / 10kΩ(rear panel)
output noise
<0,3 mVRMS @ 500Hz
bandwidth [Hz]
400
polarity
positiv
measuring system
strain gauges (12V40SG)
external (12V40CLE)
measuring system connector
LEMO 0S.304 (12V40SG)
ODU 4pin series L (12V40CLE)
table 1: technical data 12V40 series
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7.2. Initialization
Please connect the device with the wall outlet by using the external power
supply. It must be suitable to the type of amplifier. The power LED ON lights
up after the power supply is switched on. Pay attention to the correct
assignment of modulation signal and monitor signal on the front-panel SMB
sockets, if you use this.
The actuators are driven by voltages up to +150V. Please pay attention to
shock hazard protection.
7.3. Service
The actuator is connected to the amplifier by a LEMO socket. The
potentiometer is used to adjust the level of the output voltage (OFFSET). The
rest position of the actuator is hereby adjusted. An external triggering signal in
the range of 0...+10V (MOD input socket) can control the output voltage.
Utilizing this input high dynamic scanning functions are possible.
To avoid damage to the actuators, it is recommended to adjust the
potentiometer to the maximun counter clockwise position before switching on
the amplifier.
By superposition of the modulating voltage and adjusted offset, voltages up to
160V might occur. This operating state is to be avoided to protect the
ceramics and increase the MTBF. In addition, the OVL-LED lights up in the
case of a limit error. No automatic disconnection of the overvoltage occurs in
that case! To guarantee stable temperature circumstances, we recommend to
switch on the amplifier approx. 2 hours before the measurement in the sub-
µm range takes place . A constant temperature environment is necessary for
precise positioning tasks. Please note, that a temperature change of ΔT = 5K
will cause a 13µm increase in length of a 20cm steel rod.
The special qualities of piezo-ceramics like hysteresis and creep can cause
inaccuracies in the case of nonobservance. These basic qualities of piezo-
elements are described in the "piezoline" tutorial in our catalog. Do not
hesitate to contact our staff, if you need further information.
After switching ON, the red LED indicates “ready to operate”. If the OFFSET
potentiometer is in the max. counter clockwise position, the actuator is in the
rest position. By turning the potentiometer into the max. clockwise position,
the max. motion will be done. The motion depends on the actuator specs,
please refer to the hysteresis data curve for details.
The red OVL-LED indicates overload, the red UDL-LED underload. Please
avoid over- & underload in these cases or switch off the device, if the LED is
still lighten.
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7.4. SMB modulation input: MOD
The motion of the actuator may be remotely controlled by using this input. The
control signal must be in the range of 0 ... +10V. There is an internal addition
of the MOD signal and the adjusted OFFSET potentiometer. If there is an
HIGH TTL level at the Pin8 of the rear panel connector, OFFSET and MOD
(modulation input) are switched off. The remote control via Pin7 of the rear
panel connector is active and possible.
7.5. SMB monitor output socket: MON
12V40:
The output voltage in ratio 10:1 (-1 ... +15V) is available at this socket and can
be monitored by using an analogue oscilloscope. This is especially
recommended for dynamical operation. Pay attention to the inner resistance
of the monitor output, only high ohmic measurement devices (>100kΩ) should
be used. The output is short protected, please avoid injected voltages.
12V40SG / 12V40CLE:
The measuring voltage (0…10V) is available at this socket and can be
monitored by using an analogue oscilloscope. This is especially
recommended for dynamical operation. Pay attention to the inner resistance
of the monitor output, only high ohmic measurement (>100kΩ) devices should
be used. The output is short protected, please avoid injected voltages.
7.6. Actuator socket: OUT
Please connect the actuator by using this socket.
7.7. Switch closed loop (12V40SG / 12V40CLE)
Using this switch the closed loop operation can be turned on. The amplifier
12V40SG includes an electronic closed-loop and a strain gauge measurement
system. The 12V40CLE uses a measuring system which is combined with the
actuator. This allows to compensate drift and hysteresis of the piezo actuator.
Please take care of settling time when using in dynamic operation.
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7.8. Wiring of the rear panel connector
To realize OEM applications, all main control signals are available at the rear
panel connector too.
Pin
name
description
1,4
GND
ground (Signal)
2
VCC
+5V output, for switching SRC
6
MON
monitor signal 0...+10V
7
MOD
modulation input 0...+10V
8
SRC
source, choice of the amplifier control by HIGH or LOW
TTL level
HIGH: Pin 7 is active, OFFSET potentiometer and MOD
(modulation input) at the front panel are switched off
LOW: Pin 7 is not active, motion of the actuator will be
controlled by the OFFSET potentiometer and the MOD
(modulation input) at the front panel
12
OUT
output voltage Uout -10…+150V (* option)
15
GND
ground (operating voltage)
16
PWR
+ operating voltage
table 2: pin wiring of the rear panel connector (12V40 / SG / CLE)
* option: is set at the factory, must be specified when ordering
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The voltage amplifier 12V40C/ CSG do not have a casing. They should be
integrated into costumer systems for OEM applications.
Pin
name
description
1,2,8,9
GND
ground (Signal)
4
VCC
+5V output, for switching SRC
13
MON
monitor signal 0...+10V
14
MOD
modulation input 0...+10V
16
SRC
source, choice of the amplifier control by HIGH or LOW
TTL level
HIGH: Pin 7 is active, OFFSET potentiometer and MOD
(modulation input) at the front panel are switched off
LOW: Pin 7 is not active, motion of the actuator will be
controlled by the OFFSET potentiometer and the MOD
(modulation input) at the front panel
24
OUT
output voltage Uout -10...+150V (* option)
30
GND
ground (operating voltage)
32
PWR
+ operating voltage
table 3: pin wiring of the rear panel connector (12V40C / 12V40CSG)
* option: is set at the factory, must be specified when ordering
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7.9. Possibilities of the error correction
Please check the power cord at first, if the system does not works properly.
error
possible correction
ON-LED is off
please check the power supply
OVL or UVL-LED flash
over- or underload, please check the
modulation input and offset
table 4: possibilities of the error correction
The equipment concept makes adaptations to customer preferences,
concerning the technical threshold values, such as the main voltage or the
output voltage possible. Please, contact our technical service department in
order to discover the possibilities for your specific problem.
Any adjustments necessary are to be paid by the costumer.
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8. Your notes
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