Manual ZQ
Manual ZQ
Manual
ZQ with external driver box
Type:
Z*Q-*-*-*
Version(en)
1.0
1.1
1.2
Datum
14/02/03
14/02/28
14/06/13
Bearbeiter
ST
UK
UK
Author: ST
Status: preliminary
Änderung(en)
Initial Version
RS485 Pinout Corrections
General Corrections
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Manual ZQ
CAUTION NOTE
PLEASE READ THE ENTIRE MANUAL BEFORE ATTEMPTING TO OPERATE
THIS PRODUCT.
OPERATING THIS PRODUCT USING PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE OR FAILURE.
AVOID EXPOSURE TO DIRECT OR SCATTERED RADIATION FROM THE LASER.
It is extremely important to follow laser safety rules and wear appropriate protective
eyewear when working around these lasers. As a general rule, you should avoid eye
or skin exposure to direct or scattered radiation from these lasers.
All laser safety-warning labels are provided on the Unit and comply with IEC 60825-1
This Product is in full compliance with the European IEC 60825-1 and the United States
CDRH laser Safety Regulations.
CAUTIONUse of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
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1.
AFTER RECEIVING THE DELIVERY ........................................................................... 5
2.
GENERAL INTRODUCTION ......................................................................................... 6
3.
DESCRIPTION .............................................................................................................. 7
3.1
Laser safety ........................................................................................................................................................... 7
3.2
Eye protection ...................................................................................................................................................... 8
3.3
Emergency Shutdown .......................................................................................................................................... 8
3.4
Controlled Area.................................................................................................................................................... 8
3.5
Warning Signs ...................................................................................................................................................... 8
3.6
Fire Hazards ......................................................................................................................................................... 9
3.7
Explosion Hazards ............................................................................................................................................... 9
3.8
Electrical Hazards.............................................................................................................................................. 10
4.
LASER HEAD ............................................................................................................. 11
4.1
Optics .................................................................................................................................................................. 11
4.2
Driver Control Box ............................................................................................................................................ 12
5.
HOW TO OPERATE THE LASER .............................................................................. 13
5.1
General Considerations ..................................................................................................................................... 13
5.2
First Installation ................................................................................................................................................. 13
5.3
Operation ............................................................................................................................................................ 13
5.3.1
SPC-RS232 ..................................................................................................................................................... 15
5.3.2
TTL-RS232 ..................................................................................................................................................... 15
5.3.3
TTL-RS485 ..................................................................................................................................................... 16
5.4
Modulation of the laser ...................................................................................................................................... 16
5.5
Software .............................................................................................................................................................. 17
5.6
Failure signal ...................................................................................................................................................... 17
5.7
Environment and max. Ratings ........................................................................................................................ 18
5.8
Maintenance, Service and cleaning .................................................................................................................. 18
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6.
ELECTRICAL CONNECTION AND LED SIGNAL ...................................................... 19
6.1
Pinning of the 9-pin SubD connector ............................................................................................................... 19
6.2
Pinning of the M12 connector: .......................................................................................................................... 19
6.3
Power supply ...................................................................................................................................................... 20
6.4
LED signaling on rear side ................................................................................................................................ 20
6.5
System enable and keyswitch ............................................................................................................................ 20
7.
PRODUCT LABELING ................................................................................................ 21
8.
PRODUCT WARRANTY ............................................................................................. 21
9.
IN THE CASE OF FAILURE........................................................................................ 21
10.
EU DECLARATION OF CONFORMITY .................................................................. 22
DISPOSAL.......................................................................................................................... 23
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Manual ZQ
1. After receiving the delivery
Thank you for purchasing our product!
After receiving this delivery please check carefully the product for potential damage. If you see any
damage please report immediately to Z-LASER. In this case do not operate the product!
This shipment contains the following parts:
-
laser head with fixed cable and 15 pin Sub-D connector (female)
laser controller box
2 interlock keys
users manual, data sheet and safety instructions on USB-Stick
If any of these components is missing please contact Z-LASER and do not try to operate the product!
Save the shipping box and packing material for further shipping needs.
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
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Manual ZQ
2. General Introduction
ZQ
-
High performance laser modules
Industrial grade laser for harsh environments
Optional: USB interface for power setting and monitoring of temperature, operation hours, life
time
Wide operating temperature
These high performance lasers offer output powers up to 4000mW in a bench mountable package
compatible with M6 and 1/4"-20 breadboards.
The internal design of this laser coupled with its smart monitoring capabilities and integrated thermoelectric cooler allows a very high level of stability in terms of Power and wavelength. The internal
state of the laser can also be monitored by the user via a USB port.
For usage in the following applications:
Science, Bio-photonics, Optical data transmission, High-End adjusting and targeting system, Lab
application, Machine Vision, Machine construction, Medical science, Automotive industry, 3D
Measurement, Metrology, Spectroscopy and Alignment / Positioning.
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3. Description
You have purchased a laser with separate electronics.
3.1 Laser safety
Your safety is of high importance to us. Please read and follow the following laser safety information before using this product.
Class 3b and 4 lasers are not intended for use of uneducated personal.
CAUTION NOTE
The use of optical instruments with this product will increase
Eye hazard. Do not shine laser in the direction of other people
or at reflective surfaces that might cause exposure to the human eye!
The
laser
radiation
emitted
Always follow these precautions:
- Avoid direct exposure to the beam.
from
this
unit
may
be
harmful.
-
Avoid looking at the beam directly.
-
Be aware of and follow the warnings on the safety labels
-
To completely switch off the unit, unplug the power.
-
Make sure that the mechanical shutter of the laser is closed in all cases where the
laser output radiation is not required.
Review of reported incidents has demonstrated that accidental eye and skin exposures
to laser radiation, and accidents related to the ancillary hazards of a laser or laser system, are most often associated with personnel involved with the use of these systems
under the following conditions:
- Unanticipated eye exposure during alignment
-
Misaligned optics and upwardly directed beams
-
Available eye protection not used
-
Equipment malfunction
-
Improper methods of handling high voltage
-
Unintentional exposure of unprotected personnel
-
Operators unfamiliar with laser equipment
-
Lack of protection for ancillary hazards
-
Improper restoration of equipment following service
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These hazards can be avoided by a proper understanding of the equipment and by following safe procedures.
3.2
Eye protection
The greatest risk for personnel using lasers is eye injury to the cornea or retina from direct
or reflected laser beams. Protective eyewear with adequate optical density (OD) at the particular wavelength, which is used have to be clearly labeled and worn by all members of the
operating team within the NHZ. It is recommended that built-in side shields are used to protect the eyes from tangential beams and scattered reflections. Safety eyewear labeled with
the appropriate wavelength and optical density should be available at the entry at every entrance.
Caution: Laser Safety Eyewear is not designed for looking directly at a laser beam.
3.3
Emergency Shutdown
An emergency shutdown switch must be available to the operator or the assistant for rapid
emergency shutdown of the equipment. The interlock of the laser is intended to shut down
laser power immediately
3.4
Controlled Area
Authorized personnel, upon entry to an area where lasers are used, should be provided
with personal protective equipment (see Description of Facilities, above). Such controlled
area should contain the NHZ, the extent of which is clearly delineated, and should be posted with appropriate laser warning signs specific to the wavelength being used (as described in ANSI Z136.3, Section 4.7). The laser should not be activated when it is necessary to open the door, if the Nominal Hazard Zone (NHZ) extends to the doorway.
Glass windows will be covered with shades or filters of appropriate optical density whenever a fiberoptic laser system is operational. No one is allowed in a laser room unless properly authorized and protected.
3.5
Warning Signs
Regulation Danger laser signs will be posted at eye level on all doors that access a room
where Class 3b and/or Class 4 laser will be operated. These signs will state all required information as described in the ANSI Z136.1 standard, and will be removed when the laser is
not in use.
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3.6
Fire Hazards
Class 4 laser systems represent a fire hazard. Enclosure of Class 4 laser beams can result
in potential fire hazards if enclosure materials are likely to be exposed to irradiances exceeding 10 W/cm2 or beam powers exceeding 0.5 W. The use of flame retardant materials,
as defined by the National Fire Protection Association (NFPA), should be encouraged.
Opaque laser barriers e.g., curtains, can be used to block the laser beam from exiting the
work area during certain operations. While these barriers can be designed to offer a range
of protection, they normally cannot withstand high irradiance levels for more than a few
seconds without some damage, e.g., production of smoke, open fire, or penetration. Users
of commercially available laser barriers should obtain appropriate fire prevention information from the manufacturer.
Operators of Class 4 lasers should be aware that unprotected wire insulation and plastic
tubing can catch fire from intense reflected or scattered beams, particularly from lasers operating at invisible wavelengths.
3.7
Explosion Hazards
High-pressure arc lamps, filament lamps, and capacitor banks in laser equipment shall be
enclosed in housings, which can withstand the maximum explosive pressure resulting from
component disintegration. The laser target and elements of the optical train which may
shatter during laser operation shall also be enclosed or equivalently protected to prevent injury to operators and observers. Explosive reactions of chemical laser reactants or other laser gases may be a concern in some cases.
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3.8
Electrical Hazards
Use of any electrical system may give rise to electrical hazards; consequently, proper
grounding and insulation are imperative. Protection against accidental contact with energized conductors by means of a barrier system is the primary methodology to prevent electric shock accidents with laser equipment. Additional electrical safety requirements are imposed upon laser devices, systems, and those who work with them, by the US Department
of Labor, OSHA, the National Electrical Code (NFPA 70), and related state and local laws
and regulations. These requirements govern equipment connection to the electrical utilization system, electrical protection parameters, and specific safety training. These requirements must be observed with all laser installations.
The following potential problems have frequently been identified during laser facility audits.
1.
2.
3.
4.
5.
6.
7.
8.
Uncovered electrical terminals
Improperly insulated electrical terminals
Hidden “power-up” warning lights
Lack of personnel trained in current cardiopulmonary resuscitation practices, or lack of
refresher training
“Buddy system” not being practiced during maintenance and service
Non earth-grounded or improperly grounded laser equipment
Nonadherence to the OSHA lock-out standard (29 CFR 1910.147)
Excessive wires and cables on floor that create fall or slip hazards
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4. Laser Head
CAUTION NOTE
Please note that the laser head is sensible to Electro Static
Discharge. So please take special care for ESD protection
when handling the laser head with unconnected control box.
Avoid to touch the contacts of the female laser cable connector.
A cable of 0,75m length is included to the delivery. Please use only this cable. Using a different cable than supplied by Z-LASER may cause damage to the laser and warranty will be lost.
Don’t bend the cable (radius must be > 50 mm) and make sure it is not damaged.
When the cable is damaged don’t try to repair it. Shut down the laser immediately and send
it back to Z-Laser for repair. Even though the laser might work as before the laser safety is
not longer guaranteed.
4.1 Optics
Your ZQ comes with fixed focus optics due to your specifications.
For safety reasons a shutter is implemented in the optical path.
The user of the laser can close the shutter to prevent any laser light emission by turning the thumb
wheel towards the “off” position.
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If wheel position is at
“ON”
 Shutter is open
Laser aperture
If the optical head is damaged or broken don’t try to repair it. Shut down the laser immediately and
send it back to Z-Laser for repair. Even though the laser might work as before the laser safety is not
longer guaranteed.
4.2 Driver Control Box
The electronic driver control Box contains the microcontroller and driver electronics of the
laser.
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5. How to operate the laser
5.1 General Considerations
CAUTION NOTE
Take precautions to prevent back reflections into the laser
head, even strong flash lights close to the laser can have an
influence on the power control of the laser light.
5.2 First Installation
Please make sure the laser is protected against uncontrolled emission of laser light by turning the
key of the key switch to the left (counter clock wise) and remove the key. You can find the key
switch at the rear side of the laser controller. In the OFF state of the key switch the power supply of
the laser diode is interlocked.
Please close the shutter at the laser head as well.
Connect the laser head to the control box by plugging the female 15-pin SubD connector at the end
of the laser cable to the control box. Take special care for ESD protection when handling the unconnected laser head. Screw in the connectors and tighten the screws to ensure good contact under all operating conditions.
Don’t bent the cable and make sure it is not damaged. If the cable is damaged don’t try to repair it.
The laser must be shut down immediately.
Mount the laser head to a heat sink that ensures a good thermal coupling to the ground plate of the
laser. The transport of thermal power can be improved by using heat conducting paste. The laser
works reliably under thermal conditions specified in chapter 5.7
5.3 Operation
During operation an external system enable signal can be used to switch off the laser instantly (Pin
9 of the 9-pin Sub-D). Only a “logic one” at this pin turns on the supply of the laser diode. This pin
can be used to remotely shut down the laser completely from operation. If this capability is not
needed it is recommended to tie it permanently to “logic one” (5V with TTL, 24V with SPC).
System enable and key switch must be enabled in order to turn on the laser light (“logic one” at pin
9 and the key switch must be closed)
To switch the laser into normal operation apply the +24 Volt power supply to the laser (VCC to pin
6, GND to pin 5). The green LED will turn on and signal the “Power-ON” state. Then it will start
blinking fast, thus signalling the “warm-up” phase. During this phase the built in thermo electric
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temperature controller starts heating or cooling the laser diode. Upon reaching the operating temperature after some time the green LED will start blinking at a slower frequency unless system enable and the key switch are enabled (“logic one” at pin 9 of Sub-D AND the key switch closed).
The yellow LED turns to a static ON state, signalling that the laser is emitting.
In this state the laser can be switched on and off by applying the TTL modulation signal to Pin 8 of
the Sub-D connector. A “logic one” turns on the laser light.
Note: In SPC laser modules, the system enable (pin-9) and trigger (pin-8) signals have a separated
ground (pin4-GNDIO) from the +24V power supply ground (pin5-GND). Please use different
grounds.
CAUTION NOTE
Please make sure no person is exposed to the beam when
turning on the laser light!
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5.3.1
SPC-RS232
Inputs (pin 8 – modulation, pin 9 – system enable)
0…10 Volts:
“logic zero”
16…24 Volts:
“logic one”
Outputs (pin 7 – Fail) (default +5V)
>4 Volts:
“logic one”
<1 Volts:
“logic zero”
1
2
3
4
5
6
7
8
9
VCCIO
Tx-D (RS-232 wire - non isolated signal related to GND )
Rx-D (RS-232 wire - non isolated signal related to GND )
GNDIO
GND
V+ (+24 Volt, Imax 3A)
Fail (output of failure status, e.g. over temperature. Default 5V TTL signalling level)
Modulation signal
System enable
Use GNDIO (pin-4) for system enable (pin-9) and trigger (pin-8) signals. For the explanation of
VCCIO please look into chapter 5.6
5.3.2
TTL-RS232
Inputs (pin 8 – modulation, pin 9 – system enable)
0…1.5 Volts:
“logic zero”
2…5 Volts:
“logic one”
Outputs (pin 7 – Fail)
>4 Volts:
“logic one”
<1 Volts:
“logic zero”
1
2
3
4
NC
Tx-D (RS-232 wire - non isolated signal related to GND )
Rx-D (RS-232 wire - non isolated signal related to GND )
GNDIO (internally connected to GND)
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5
6
7
8
9
GND
V+ (+24 Volt, Imax 3A)
Fail (output of failure status, e.g. over temperature. 5V TTL signalling level)
Modulation signal
System enable
5.3.3TTL-RS485
Inputs (pin 2 and pin 9 – modulation)
0…1.5 Volts:
“logic zero”
2…5 Volts:
“logic one”
Outputs (pin 4 and pin 7 – Fail Out)
>4 Volts:
“logic one”
<1 Volts:
“logic zero”
1.
2.
3.
4.
5.
6.
7.
8.
9.
NC
Trigger_B (inverted input signal – RS485 spec)
Data_A (RS485 data – protocol is half-duplex)
Failure_A (output signal)
GND
V+ (+24 Volt, Imax 3A)
Failure_B (inverted output signal – RS485 spec)
Data_B (inverted RS485 data)
Trigger_A (input signal)
5.4 Modulation of the laser
RS232:
The ZQ is a CW laser with a digital enable input (“Laser-On” = pin-8 of the Sub-D connector). To
turn on the laser light a “logic one” must be applied to this control input.
RS485:
The ZQ is a CW laser with a differential digital trigger input (“Laser-On” = pin-2 and pin-9). To turn
on the laser light a “logic one” must be applied to this control input (pin-9 = 5V, pin-2 = 0V). To turn
it off a “logic zero” must be applied (pin-9 = 0V, pin-2 = 5V)
The laser is capable of digital modulation up to 10 kHz TTL and 1 kHz SPC.
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5.5 Software
The ZQ laser has RS232 / RS485 serial interfaces. The user can access various parameters with
any ordinary terminal program or use the GUI from the USB stick.
For RS232 use the following pins: TXD pin-2, RXD pin-3
For RS485 use the following pins: Data_A pin-3, Data_B pin-8
The user can access various parameters with any ordinary terminal program. Please setup your
terminal program with these parameters:
Terminal program parameters:
Transmission rate: 9600 baud
Coding: 8N1
The following read ASCII coded commands are provided (note the colon):
“ROPLD:”
“ROPGE:”
“RCILDDAC:”
“RILDDAC:”
“RMAXBLTMP:”
“RMINBLTMP:”
“RBLTMP:”
“RSNLD:”
“WLPPERCn:”
“RLPPERC:”
“WSAVEP:”
“RVERSION:”
-> read operating hours of the laser diode [h],[min]
-> read general operating hours [h],[min]
-> read calibrated Laser diode DAC-Value @ current laser power
-> read current Laser diode Current DAC-Value @ current laser power
-> read lowest (min) block temperature [°C]
-> read highest (max) block temperature [°C]
-> current block temperature [°C]
-> read serial number of laser source
-> random change of laser power [%] n: 0,1,2…100
-> read current laser power [%]
-> save previously set random laser power [%] to EEPROM.
-> read Firmware Version
The response is transmitted as readable ASCII characters.
5.6 Failure signal
The Failure output signal indicates states of the laser where normal operation is not possible: it is at
“logic one” under the following conditions:
-
during the warm-up phase,
when end-of life of the laser diode is reached, please prepare for a spare unit to prevent
machine down time
Over temperature or under temperature state of the thermo electric temperature controller
The laser is turned off when a failure state is entered, except for the warm up phase failure. This will
not lead to a shutdown.
Pin-1 (VCCIO) can be used to define the voltage level of the fail out signal. If not connected (default) the logic one level is +5V.
Please note that certain failure conditions are signalled by the LED’s at the rear side of the controller box as well.
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5.7 Environment and max. Ratings
Your ZQ Laser operates fine in a wide environment temperature range. Since most of the thermal
energy dissipates through the base plate of the laser Head the max rating is defined at this position.
Max. Operation temperature: -10°…+40°C
The control box is specified for ambient (air-) temperatures of -20...+60°C.
5.8 Maintenance, Service and cleaning
This laser module contains no user serviceable parts.
Occasionally the optics may need cleaning depending on environmental conditions. When cleaning
is required, the use of clean, compressed air is recommended to blow the optics clean. If compressed air fails, clean lens carefully with alcohol and a lint free rag or Q-tip.
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
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Manual ZQ
6. Electrical connection and LED signal
All User signals and Power supply is provided on a single 9-pin, D-sub male connector for easy and
versatile use of this product in different environment. Please refer to chapter 5.3 for detailed explanation of the pinnings.
6.1 Pinning of the 9-pin SubD connector
1
2
3
4
5
6
7
8
9
VCCIO
Tx-D (RS-232 wire - non isolated signal related to GND )
Rx-D (RS-232 wire - non isolated signal related to GND )
GNDIO
GND
V+ (+24 Volt, Imax 3A)
Fail (output of failure status, e.g. over temperature. Default 5V TTL signalling level)
Modulation signal (SPC / TTL)
System enable (SPC / TTL)
6.2 Pinning of the M12 connector:
The M12 connector provides a secondary supply connection for the 24 VDC power supply.
It should only be used if no 24 VDC power supply is provided to the SubD connector.
1.
2.
3.
4.
V+ (+24 Volt, Imax 6A)
NC
GND
NC
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
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Manual ZQ
6.3 Power supply
A power supply is not included in the delivery. To operate the laser a sufficient power supply must
be connected to the laser. The power supply is specified with:
Power supply (V+, GND):
Max. supply current:
+24 VDC +/- 10%
3A
Any power supply you may use shall follow the safety regulation and should show a CE or UL sign.
6.4 LED signaling on rear side
The LED’s on the rear side of the laser controller box indicate the following conditions:
green LED statically OFF:
green LED blinking fast:
green LED blinking slowly:
green LED statically ON:
no power
warm-up phase
Failure condition (e.g. system enable disabled, key switch
open, under / overtemperature or laser diode approaching endof-life)
Laser-enabled
yellow LED statically ON:
yellow LED statically OFF:
Laser is emitting
Laser is NOT emitting
A typical power-up sequence would look like this:
1.
2.
3.
4.
Turn on the power supply: The green LED starts blinking fast.
Upon reaching the target temperature the green LED blinks slowly.
If system enable is on and the key switch is closed the green LED is statically ON.
When the laser light is turned on by applying a “logic one” to the modulation input, the yellow
LED turns statically ON.
5. In case of a failure condition the green LED will again start blinking slowly.
6.5 System enable and keyswitch
The system enable and the key switch are external safety systems. The laser will not emit light unless they are properly activated.
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
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Manual ZQ
7. Product labeling
This Product is labelled as follows (labels may change due to optical output power and wavelength).
If one of these labels is missing, do not operate the laser.
Invisible Laser Radiation
Avoid Exposure to Beam
Z-LASER Etikett
Class 3B Laser Product
EN60825-1:2007
8. Product Warranty
Z-LASER guarantees its New ZQ Laser series to be free of material and workmanship defects for
two year from the date of shipment or 10,000 hours of operation (depending on the model), whichever comes first.
This warranty is in lieu of all other guarantees expressed or implied and does not cover incidental or
consequential loss.
Please note that each laser may be custom built to the user’s exact specifications.
9. In the case of failure
Please contact Z-LASER Service.
When calling Z-LASER, please provide the customer care representative with the following information:
• Your contact Information
• Serial number or original order number
• Description of problem (i.e., hardware or software)
Ask for RMA Tracking No.
Always ship back Laser head and driver control box together!
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
info@z-laser.de ~ www.z-laser.com
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Manual ZQ
10. EU Declaration of Conformity
We therefore confirm that the devices described in the following
Name/Product: Diode Laser Module
ZQ
meets the requirements of the directive 2004/108/EC.
The following standards were applied:
EN 60825-1:2007
EN 55022:2006
EN 55011:2007
The following guidelines were applied:
2004/108/EC EMC-guideline
73/23/EWG Low voltage guideline
Z-LASER Optoelektronik GmbH
Merzhauser Str. 134
79100 Freiburg
Freiburg, 30. Sept. 2010
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
info@z-laser.de ~ www.z-laser.com
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Manual ZQ
Disposal
The ZQ device is an electronic device that must not be disposed
via ordinary waste bins.
Merzhauser Str. 134 ~ 79100 Freiburg ~ Tel.: +49-(0)761-29644-44 ~ Fax: +49-(0)761-29644-55
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