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4400 Series

LaserSource

User’s Manual · Page 11

Rear Panel Connections

In addition to the front panel connections described, the rear panel has

connections for AC power, Output connector or bus bars, Auxiliary connector,
Interlock connector, USB connector, and RS232 connector.

LaserSource

Rear Panel, 40 Amp Rated Units and Below

LaserSource

Rear Panel, Units Rated Above 40 Amps

13W3 Laser Output Connector

For controllers with a current rating of 40 Amps and lower, the Output connector

is a female 13W3, and has the following pin-out:

Pin

Description

Pin

Description

A1 Laser

Cathode

A2 Earth

Ground

A3 Laser

Anode

1 Interlock/LED+

Laser Cathode Remote Sense

2 Interlock/LED

–

7 Photodiode

Anode

3 Pilot

Anode

8 Photodiode

Cathode

4 Pilot

Cathode

9 Temperature

Sensor

Laser Anode Remote Sense

10 Temperature

Sensor

Output Connector (13W3 Female)

Содержание LaserSource 4400 Series

Страница 1: ......

Страница 2: ...Connector 12 Auxiliary Connector 13 Interlock Connector 13 USB Connector 13 RS232 Connector 14 Front Panel Operation 14 Main Display Screen 16 Using Limits 17 Status Messages 17 Settings and Menus 18...

Страница 3: ...t 40 Working With Thermistors 41 The Steinhart Hart Equation 42 Analog Modulation 42 Optimizing for Pulse Performance 44 Cables 44 Lowering BW or Risetime 45 Dead Shorts 45 Eliminating E 537 Thermal O...

Страница 4: ...includes a trigger out to synchronize the LaserSource with other instruments The LaserSource also operates in constant voltage control mode allowing you to use it in precision voltage applications suc...

Страница 5: ...drivers are included For USA customers a power cord is included For non USA customers an IEC 60320 C13 rated AC power cord must be provided Accessories Arroyo Instruments also sells several accessori...

Страница 6: ...ut important information If at any time any of the following conditions exist or are suspected of existing discontinue use of the unit until it can be inspected by qualified service personnel Visible...

Страница 7: ...anual for instructions on how to obtain service for this instrument WARNING To avoid electrical shock ensure a 3 prong power cord is used and is plugged into an earth grounded receptacle Failure to do...

Страница 8: ...g current as you do not want to be driving into the limit Press the knob again to save the value Make the same adjustments to the voltage limit Vf Limit setting between 0 5V and 1V above the typical o...

Страница 9: ...r switch located on the front of the unit into the on position The unit will display the current firmware revision go through a quick power up self test and return to the last known operating state Ve...

Страница 10: ...ions for modulation and QCW triggers Modulation Input The modulation input BNC accepts a 0V to 10V input signal for analog set point control of the driver The modulation input is optically isolated fr...

Страница 11: ...low LaserSource Rear Panel Units Rated Above 40 Amps 13W3 Laser Output Connector For controllers with a current rating of 40 Amps and lower the Output connector is a female 13W3 and has the following...

Страница 12: ...ode 3 Earth Ground 8 Pilot Cathode 4 Laser Cathode Remote Sense 9 Pilot Anode 5 Laser Anode Remote Sense Signal Connector DB9 Female Using the Interlock LED The Interlock LED pins can be used to drive...

Страница 13: ...ed no connection 22 Sensor Ground 10 Auxiliary Sensor 1 23 Sensor Ground 11 Auxiliary Sensor 2 24 Reserved no connection 12 Reserved no connection 25 Reserved no connection 13 Reserved no connection A...

Страница 14: ...uct Front Panel Operation Operation of the LaserSource is very straightforward The sections below will help familiarize you with the front panel the display and the menu structure The front panel is d...

Страница 15: ...unit is used to change the set point or parameters in the menu It also acts as a push button primarily as an enter button when making changes in the menu There are eleven LEDs Function Color When lit...

Страница 16: ...value for example current when in constant current mode The bottom half of the display can display additional measurements depending on the mode of operation Example displays are shown below Main Dis...

Страница 17: ...ure high and temperature low limit and if the actual temperature exceeds either of these limits the output will be shut off Likewise both high and low limits exist for the sensor R limits and the outp...

Страница 18: ...f the LaserSource can be viewed and changed within the menu To change any setting press Menu to enter the menu then rotate the knob to select the parameter to change Press the knob to begin changing t...

Страница 19: ...s adjusted when the pulse width is adjusted This setting will only be displayed when in Io Pulse or Io Burst modes Freq QCW Width Sets the pulse width in QCW mode See QCW Mode section for more details...

Страница 20: ...unt of monitor photodiode current the unit will allow This limit is implemented in software For more information about limits see Using Limits section Maximum Po limit This setting controls the maximu...

Страница 21: ...otodiode bias voltage which is applied to the PD PD pins of the output connector 5 0V On Delay The delay from the time the Output button is pressed to when the output is actually energized 3000ms Aux...

Страница 22: ...e the Computer Interfacing Manual which is included on the CD that accompanied this product 9600 Set While Rmt To disable changing the set point while in Remote Mode set this value to No To enable cha...

Страница 23: ...l I O for more information D1 Mode Controls how to merge the digital control signals for the Digital 1 output from the main and pilot lasers Any High D2 Mode Controls how to merge the digital control...

Страница 24: ...r or controller See Optimizing for Pulse Performance for more information Yes Pilot Laser Menu To enter the pilot laser menu first switch to the Pilot Laser screen then press the Menu button Menu Desc...

Страница 25: ...No Do2 Func Selects what status is used to control Digital Output 2 Off Do2 Invert Inverts the state of Digital Output 2 No Relay Selects what status is used to control the relay Off Advanced Menu Of...

Страница 26: ...wizard appears insert the CD you received with the LaserSource and follow the on screen instructions Once the drivers are installed to determine the COM port number go to Control Panel and select Sys...

Страница 27: ...unding of the photodiode anode or cathode or earth grounding the modulation input cannot cause a ground loop through the instrument Likewise the laser anode and cathode connections are also isolated f...

Страница 28: ...g your own cable out of individual wires twist the current carrying wires LDA and LDC as tightly as possible When using large wires where twisting is impractical zip tie every 2 4cm or heat shrink to...

Страница 29: ...rive the desired current set point through the laser diode as long as the voltage at the chosen set point does not exceed the voltage limit In Io mode you will be limited to less than a 10 Hz bandwidt...

Страница 30: ...nel of the instrument Modulation rates vary by model so see your model s specification for the maximum modulation rates Only Io HiBW mode supports high speed modulation All other modes of operation ha...

Страница 31: ...e as few as one or as many as 60 000 Like external trigger mode no pulses are generated until a trigger is received As in external trigger mode this trigger can be generated from the trigger input but...

Страница 32: ...t cycles between the set point high state and zero low state The 4400 allows for adjustment of the low pulse state to operate at a non zero current often referred to as the bias current This allows QC...

Страница 33: ...up to 1 second and only applies in Io Ext Trig mode Likewise using the trigger out delay DelayOut you can delay when the trigger output up to 1 second from the start of the current pulse When setting...

Страница 34: ...urrent than the limit is set to When the current limit engages the output will remain on unless corresponding bit is set in Outoff register The intermittent contact circuit is designed to protect agai...

Страница 35: ...e nearest the laser diode drive current through the cable and measure the voltage The resistance is found using a simpler version of the formula above Note that the current is expressed in amps not mi...

Страница 36: ...rotection Vf Limit works on the voltage at the laser rather than the voltage at the connector 4 Works in voltage control mode However remote voltage sense does have a few drawbacks 1 If the remote sen...

Страница 37: ...change this behavior adjust the corresponding settings in the Advanced menu See Working With Thermistors section for more information on using thermistors Auxiliary sensors one and two are found on t...

Страница 38: ...on if the instrument is in remote mode Each digital output includes a 200 series resistor limiting current draw to about 25mA If the output is to be used as a signaling LED in many cases an LED can b...

Страница 39: ...ls from channel and force the digital output on or close the relay All Low if both of the digital signals from the main and pilot laser are low then turn the digital output on or close the relay Any H...

Страница 40: ...for laser operation The laser interlock also can be used to drive an LED to indicate the operating state of the laser When the laser is on the LED is always on When the laser is off it can be controll...

Страница 41: ...used as a safety by shutting down the laser diode when temperature limits are exceeded The LaserSource is designed to work with negative temperature coefficient NTC thermistors such as the BetaTHERM 1...

Страница 42: ...sistance varies inversely with temperature in a non linear fashion This relationship can be accurately modeled by polynomial equations and one such being the Steinhart Hart equation 3 ln ln 1 R C R B...

Страница 43: ...ts or at higher frequencies 1 kHz it is critical that high quality shielded twisted pair cabling be used and wire size suitable for the applied current or the equivalent if using a multi conductor cab...

Страница 44: ...ge that is adequate for the application Review the Cable Wiring section above for recommend wire sizes In addition to wire guage it is highly recommended to use twisted pair wire as that can have an e...

Страница 45: ...ge and the nominal voltage When the peak voltage is significantly above more than 2 volts the nominal operating voltage the instrument will alternate the current measurement with the peak voltage meas...

Страница 46: ...with high compliance loads and high currents E 505 errors may be generated at even the maximum voltage limit In that case follow the guidelines above for eliminating the E 537 error E 505 errors can...

Страница 47: ...its normal operational parameters which may be useful in some applications Review your requirements with the factory before changing either of these settings V Comp Detect when set to Yes the instrume...

Страница 48: ...ain On in the Pilot Laser menu To enter the Pilot Laser menu you must first press the Display button until the Pilot Laser screen is displayed and then press the Menu button Accessing the menu from an...

Страница 49: ...points with a single button press Prior to configuring the function keys you need to create your configurations or scripts Configurations are easy simply setup the instrument the way you want then go...

Страница 50: ...SERCAL GET Retrieves user calibration settings LASER USERCAL RESET Resets all user calibration settings to factory defaults To prevent accidental modification of the calibration settings the entries a...

Страница 51: ...adjusted to change the sensor measurement The calibrated measurement is computed as follows User calibrated reading M reading B For set points the set point is calculated as follows User calibrated se...

Страница 52: ...E Range V 0 56 524 0 28 0 48 Resolution V 0 001 0 001 0 001 Accuracy set V 0 05 0 005 0 05 0 005 0 05 0 005 Stability ppm 1 hour 50 50 50 Temperature Coeff ppm C 100 100 100 EXTERNAL MODULATION Input...

Страница 53: ...EQUENCY Range Hz 1 1000 1 1000 1 1000 Resolution Hz 0 1 0 1 0 1 Accuracy Hz 0 5 0 5 0 5 DUTY CYCLE Range 0 1 90 0 1 90 0 1 90 Resolution 0 1 0 1 0 1 Rise Fall Times s 8 15 to 25 20 15 to 25 Overshoot...

Страница 54: ...01 Accuracy set V 0 05 0 005 0 05 0 005 0 05 0 005 Stability ppm 1 hour 50 50 50 Temperature Coeff ppm C 100 100 100 EXTERNAL MODULATION Input Range Impedance 0 10V 10k 0 10V 10k 0 10V 10k Modulation...

Страница 55: ...solution Hz 0 1 0 1 0 1 Accuracy Hz 0 5 0 5 0 5 DUTY CYCLE Range 0 1 90 0 1 90 0 1 90 Resolution 0 1 0 1 0 1 Rise Fall Times s 8 15 15 20 Overshoot 7 7 7 Zero Current A 9 0 060 0 060 0 080 LIMITS LASE...

Страница 56: ...0 001 0 001 Accuracy set V 0 05 0 005 0 05 0 005 0 05 0 005 Stability ppm 1 hour 50 50 50 Temperature Coeff ppm C 100 100 100 EXTERNAL MODULATION Input Range Impedance 0 10V 10k 0 10V 10k 0 10V 10k M...

Страница 57: ...1000 Resolution Hz 0 1 0 1 0 1 Accuracy Hz 0 5 0 5 0 5 DUTY CYCLE Range 0 1 90 0 1 90 0 1 90 Resolution 0 1 0 1 0 1 Rise Fall Times s 8 25 30 50 Overshoot 7 7 7 Zero Current A 9 0 120 0 160 0 200 LIM...

Страница 58: ...ng Temperature 10 C to 40 C Storage Temperature 20 C to 60 C 1 All values measured after 1 hour warm up and at 25 C 2 RMS current on resistive load 350kHz BW low bandwidth mode scale high range 3 Maxi...

Страница 59: ...204 Suffix not valid An invalid number base suffix radix was encountered when parsing a number USB Serial only E 217 Configuration Recall failed An attempt to recall a configuration failed This can be...

Страница 60: ...n to start The LaserSource was not configured properly including the mode and output on state to be able to start the desired calibration process E 517 Calibration must have the output on to start The...

Страница 61: ...recall turned outputs off Notification message only A user configuration was recalled from memory while the outputs were on resulting in the outputs being turned off W 806 No function key assigned No...

Страница 62: ...quires a return materials authorization RMA number You must contact Arroyo Instruments and obtain an RMA number prior to returning your instrument or the shipment may be rejected and sent back to you...

Страница 63: ...tive Test Standards EN 61010 Electrical Equipment for Measurement Control and Laboratory Use Safety Requirements This Certificate is the Manufacturer s Declaration which states that the 4400 Series La...

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