Wavelength Electronics LD2TC5 LAB User Manual Download Page 1

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USER GUIDE

Laboratory Series

Laser Diode Driver & Temperature Controller

— with IntelliTune

RoHS

Compliant

Applies to Product Revision A

ORDERING INFORMATION

PART NUMBER

DESCRIPTION

LD2TC5 LAB

2 A, 10 V Laser Diode Driver
5 A, 15 V Temperature Controller

LD5TC10 LAB

5 A, 10 V Laser Diode Driver
10 A, 15 V Temperature Controller

LDTC INTLK KIT

One included with each instrument

BNC Terminator 50 Ω

DB15 Male Connector Kit (LD Type A/B)
DB15 Female Connector Kit (LD Type C)

TC/SENSOR
MATING D-SUB

One included with each instrument
TE/RH/Sensor Male DB15+2 Connector Kit

WCB407

TE/RH/Sensor DB15+2 Cable

WCB408

LD Type A/B DB15 Cable

WCB409

LD Type C DB15 Cable

WCB319

TC to LD Mount Cable

WCB326

Type A/B Laser to LD Mount Cable

WCB327

Type C Laser to LD Mount Cable

THERMISTORS

Various Thermistors Available

LDMOUNT-5A

Butterfly Laser Diode Mount

CONTENTS

GENERAL OVERVIEW

SAFETY 3
QUICK CONNECT GUIDE

PIN DESCRIPTIONS

ELECTRICAL SPECIFICATIONS

THEORY OF OPERATION

INSTRUMENT OVERVIEW

GENERAL OPERATING INSTRUCTIONS

TC OPERATING INSTRUCTIONS

LD OPERATING INSTRUCTIONS

TROUBLESHOOTING 23
ERROR MESSAGES

ADDITIONAL TECHNICAL NOTES

MECHANICAL SPECIFICATIONS

CABLING SPECIFICATIONS

WARRANTY & CERTIFICATION

Laser Type

AD590

LM335

RTD

Summary of Contents for LD2TC5 LAB

Page 1: ...ale DB15 2 Connector Kit WCB407 TE RH Sensor DB15 2 Cable WCB408 LD Type A B DB15 Cable WCB409 LD Type C DB15 Cable WCB319 TC to LD Mount Cable WCB326 Type A B Laser to LD Mount Cable WCB327 Type C La...

Page 2: ...rformance and value The touch screen interface makes operation intuitive and simple A LabVIEW virtual instrument remote command set and USB interface allow integration into an instrument library Safet...

Page 3: ...the following conditions indoor use 6500 ft 2000 m 80 maximum relative humidity for temperatures up to 31 C and decreasing linearly to 50 relative humidity at 50 C transient overvoltages to Overvolta...

Page 4: ...el this is already done on the connectors delivered with the instrument 2 For the active interlock insert a BNC terminator in the ACTIVE LOCK on the rear panel provided with the instrument 3 On the fr...

Page 5: ...reen 2 Press the blue text next to PD Biasing to toggle whether the bias voltage for the photodiode is enabled or disabled 3 Press the blue text next to PD Range until the value matches the appropriat...

Page 6: ...iode Cathode 10 Output Current Monitor 11 Laser Diode Setpoint Monitor 12 Monitor Ground 13 No Connection 14 No Connection 15 No Connection EXT MOD ACTIVE LOCK BNC PINS Active Signal Ground Figure 7 E...

Page 7: ...nput Range 5 to 5 V Sums with onboard setpoint External Modulation Input Damage Threshold 6 V Current Limit Range 0 to 101 Leakage Current 1 A Measured with unit on and setpoint at zero Current Monito...

Page 8: ...61000 4 6 IEC 61000 4 8 IEC 61010 1 EN61010 2 30 EN61326 1 European Council Directive 2004 108 EC European Council Directive 2006 95 EC Size 3 86 8 82 17 7 98 224 450 in mm Weight 9 26 4 2 lbs kg POW...

Page 9: ...ral Derivative PID control loop to adjust the drive current The terms are user adjustable and when properly configured will quickly settle the load temperature with minimal overshoot and ringing Intel...

Page 10: ...and electrical earth ground 3 Laser Diode Out Sensor Type A B Laser diode connector and sensor input 15 pin female D SUB connector 4 Laser Diode Out Sensor Type C Laser diode connector and sensor inp...

Page 11: ...when values are set 4 TC Enable Button Allows instrument to deliver current to the thermoelectric load Glows blue when current is enabled 5 LDD Enable Button Allows instrument to deliver current to t...

Page 12: ...equire heatsinking RLOAD TEC A1 TEC A2 Test Load Thermistor Test Load Figure 11 Test Temperature Load Sensor Wiring Schematic Setting up this test load allows current to be driven to either the positi...

Page 13: ...nstrument If either of the Enable buttons is lit press the button to disable output current Once all output current is disabled the rear Power switch may be pressed to the O position powering down the...

Page 14: ...gle through the Profile options select one and then press the Save icon The following operational parameters are saved TC PARAMETERS LD PARAMETERS Tune Mode Control Mode Temperature Setpoint Laser Set...

Page 15: ...efined tolerance the target icon will be visible NOTE PD Current is displayed here if the PD Transfer Function specified on the Photodiode Screen is zero OFF PD Power is displayed here if the PD Trans...

Page 16: ...the rear panel and turn on the rear power switch 4 Open the Firmware Update Application 5 Select the unit to update in the application 6 Drag drop the file into the application window or browse for t...

Page 17: ...will be ringed with red SELECT A SENSOR The sensor choice determines the sensor voltage to temperature relationship and which sensor pins are monitored on the 15 2 D SUB 1 Press to access the Sensor S...

Page 18: ...tom sensor using remote commands THERMISTOR Displays the Steinhart Hart coefficients Figure 28 Thermistor Calibration Screen RTD Displays the Standard Curve and the resistance at 0 C Figure 29 RTD Cal...

Page 19: ...ction is chosen for Tune mode Setpoint Response This setting has a fast time to temperature and will overshoot Disturbance Rejection This setting has a quick return to setpoint after stability is reac...

Page 20: ...is within the window defined by setpoint tolerance FAN CURRENT DRIVE PINS 10 11 This output will drive 12 V up to 0 5 A to power a fan for airflow across the thermoelectric and load LD OPERATING INST...

Page 21: ...mode the setpoint chosen corresponds to actual current through the photodiode proportional to output power This mode requires the user to configure additional photodiode settings 1 Press the photodiod...

Page 22: ...1 A V Table 5 Model dependent external modulation transfer functions The input range is always 5 V to 5 V Damage will occur at 6 V input ADDITIONAL CAPABILITIES ANALOG CURRENT MONITOR PINS 10 12 This...

Page 23: ...RIGHT to increase brightness If you can t see the screen because it is too dark and don t want to easily use the remote command imagine the location of the icons on the screen Good luck LD noise curre...

Page 24: ...rent is enabled Thermoelectric wiring is reversed Reverse the leads to the thermoelectric The thermoelectric is generating too much heat and has inadequate cooling Install a larger heatsink or a fan t...

Page 25: ...t to reach setpoint Increase the TC current limits and begin the IntelliTune scan again Temperature going in the wrong direction IntelliTune aborted TEC polarity is reversed Reverse the connection to...

Page 26: ...TEC or larger heatsink or increase the limit if safe Laser disabled because temperature is below min limit Minimum limit is too high Unlink the Laser output from TC see LASer ENABle OUTOFF or if safe...

Page 27: ...utput current at the limit and continue operating at that level of output current Output current will not be disabled if the limit is reached INDEPENDENT LINKED OPERATION The LDTC LAB can operate with...

Page 28: ...NS 16 35 415 3 17 75 450 9 0 60 15 2 0 80 20 3 3 47 88 1 6 0 152 4 3 91 99 3 8 86 225 0 16 35 415 3 3 47 88 1 3 91 99 3 8 86 225 0 Dimensions in inches mm 5 CABLING SPECIFICATIONS WCB407 TE RH SENSOR...

Page 29: ...29 WCB408 LD TYPE A B DB15 CABLE NOT INCLUDED WCB409 LD TYPE C DB15 CABLE NOT INCLUDED...

Page 30: ...30 WCB319 TC TO LDMOUNT NOT INCLUDED WCB326 TYPE A B LASER TO LDMOUNT NOT INCLUDED WCB 327 TYPE C LASER TO LDMOUNT NOT INCLUDED...

Page 31: ...y Reseller are expressly prohibited from reverse engineering decompiling or disassembling this product NOTICE The information contained in this document is subject to change without notice Wavelength...

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