Impex LD8000 User Manual Download Page 17

Laser Diode Driver LD8000 

17 

Ver. 1.0 

Instruction 

LCD Text 

Target 

Description 

Type 

Unit 

RLCL 

LD Cur Limit 

Laser 

Current Limit 

uint16  mA 

RLCT 

LD Current   

Laser 

Current Target 

uint16  mA 

RLCA 

LD Current   

Laser 

Current Actual 

uint16  mA 

RLCB 

LD Curr Base 

Laser 

Current Base 

uint16  mA 

RLVA 

LD Voltage   

Laser 

Actual Voltage 

float 

RLVC 

LD Compl Vol 

Laser 

Compliance Voltage 

float 

RLMM 

Modulation   

Laser 

Modulation Mode 

uint16   

RLMW 

Pulse Width  

Laser 

Pulse Width (internal) 

uint32  us 

RLMP 

Pulse Period 

Laser 

Pulse Period (internal) 

uint32  us 

RLTT 

LD Temp      

Laser 

Temperature Target 

float 

°C 

RLTA 

LD Temp      

Laser 

Temperature Actual 

float 

°C 

RLTC 

LD Temp Ctrl 

Laser 

Temp. -Controller Enable 

bool 

 

RCTT 

Crystal Temp 

Crystal 

Temperature Target 

float 

°C 

RCTA 

Crystal Temp 

Crystal 

Temperature Actual 

float 

°C 

RCTC 

Cryst T Ctrl 

Crystal 

Temp. -Controller Enable 

bool 

 

RHTT 

HarmGen Temp 

Harmonic 

Temperature Target 

float 

°C 

RHTA 

HarmGen Temp 

Harmonic 

Temperature Actual 

float 

°C 

RHTC 

HG Temp Ctrl 

Harmonic 

Temp. -Controller Enable 

bool 

 

RGVS 

Soft Version 

General 

Software Version 

string 

 

RGVN 

Serial No.   

General 

Serial Number 

string 

 

RGLT 

Laser OnTime 

General 

Diode Life time 

uint32  min 

RLG 

Gate Option  

Laser 

Gate Option 

bool 

 

RGD 

Set Defaults 

General 

Set Defaults 

bool 

 

RGS 

Status Word  

General 

Get Status (1=TRUE) 

string 

 

RGM 

Manual Contr 

General 

Manual Control Enable 

bool 

 

RGT 

Device Temp  

General 

Device Temperature 

float 

 

RL 

Laser Diode  

Laser 

Laser On/Off 

bool 

 

 

Summary of Contents for LD8000

Page 1: ...Version 1 0 20 November 2008 IMPEX HighTech GmbH Hovesaatstr 6 48432 Rheine Germany Phone 49 0 5971 981 650 FAX 49 0 5971 981 659 Laser Diode Driver LD8000 User Manual...

Page 2: ...ertification of any kind Before connecting or disconnecting any cable switch off the device main power switch Meet all necessary precausions to except damages throuh ESD electrostatic discharge Always...

Page 3: ...t 8 Indicators 8 4 PRINCIPLES OF OPERATION 9 4 1 Standalone operation 9 Navigating through the menu 9 Rearranging the list 9 Changing a parameter or a value 9 4 2 The LD Control software 10 Installing...

Page 4: ...generating photo diode input for constant power mode analog modulation input for external feedback circuit User friendly control panel allowing quick access to common parameters and values USB control...

Page 5: ...2 5 Pulse overshoot 1 2 TTL Low level V 0 0 8 TTL High level V 3 5 5 Temperature setting range C 10 60 Temperature stability C 0 01 0 02 TEC controller voltage V 11 5 11 5 TEC controller current A 8...

Page 6: ...e input BNC 3 Up button lit if operable 11 Laser head connector HD D SUB25 4 OK button lit if operable 12 Interlock connector 3 5mm TS connector 5 Down button lit if operable 13 Power supply connector...

Page 7: ...Sensor 21 12V 4 Crystal TEC anode 13 Crystal NTC Sensor 22 Ground 5 Harm TEC cathode1 14 Harm NTC Sensor1 23 Photo diode signal input 6 Harm TEC anode1 15 Harm NTC Sensor1 24 Laser diode cathode 7 Las...

Page 8: ...meter or scope can be connected to this connector to monitor the power Modulation input In external analog modulation mode voltage at the inner pin of this connector is converted to diode current with...

Page 9: ...character of the line starts to blink and move the parameter with the Up and Down buttons When the desired position is achieved store the state with the OK button If you don t store the state the prev...

Page 10: ...quipped with online description Get the mouse pointer over an element for view seconds and the description will pop up The application is divided into five parts represented by a card index On the Sys...

Page 11: ...em card COM Port Number sets the number of the virtual COM Port that is given by the USB to serial converter driver see chapter Installing USB driver Baud Rate sets the transfer speed and should be se...

Page 12: ...LD Voltage Error indicator green rectangular lights up The Gate Mode is available in modulation modes with internal pulse generation See chapter 4 3 Laser modulation modes for details Constant output...

Page 13: ...you have to specify the Upper and Lower Limits Within this window the laser operation is ensured When the temperature exceeds this limits the laser and the corresponding temperature controller are tu...

Page 14: ...ges use the one on the right side of the graph by default At the upper right corner you can set up display options such as line style and color for each value individually Just click on the line picto...

Page 15: ...urrent high level means Target current 50 Periodic Burst this mode is similar to the internal pulse mode but the given Number of pulses is followed by given number of Suppressed pulses During suppress...

Page 16: ...Laser Invert Gate Signal bool RLPCA Photo Curr Laser Photo Current Actual uint16 uA RLPCT Photo Curr Laser Photo Current Target uint16 uA RLPCC Ph Cur Contr Laser Photo Current Control bool RLMBN Burs...

Page 17: ...tual float C RLTC LD Temp Ctrl Laser Temp Controller Enable bool RCTT Crystal Temp Crystal Temperature Target float C RCTA Crystal Temp Crystal Temperature Actual float C RCTC Cryst T Ctrl Crystal Tem...

Page 18: ...t properly packed it will be damaged in shipping and the warranty will be avoided This warranty shall not apply to any defect failure or damage caused by improper use failure to observe proper operati...

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