manualshive.com logo in svg

Wavelength Electronics PLD K-CH Series, Техническое описание и руководство по эксплуатации, Страница: 10 / 24

Поделиться
Скачать
Wavelength Electronics PLD K-CH Series Скачать руководство пользователя страница 10

© 2020

www.teamWavelength.com

10

PLDXK-CH SERIES LASER DIODE DRIVER

WIRING THE PLD5K-CH AND PLD10K-CH (CONTINUED)

Figure 7.  Type C Laser Diode; PLD5K-CH and PLD10K-CH

LD Anode

LD Cathode

LD Enable

+5 V

GND

(Internally Shorted)

Analog Input

LIM I Monitor

LIM I Status

+

-

PD Cathode

Common

(Low Current)

PD

LD

OR

+

-

10µF

0.1µF

8 to 

12.5 VDC

LM 317

+5V REG.

732Ω

243Ω 1

3

2

330µF

0.1µF

This circuit shows how to use a single power supply.  

The LM317 (+5 V Regulator) circuit can be replaced 

with a separate 5 VDC power supply.

PD

LD

+5V

10 kΩ

Pull Up Resistor 

DMM

P Monitor

(PD Current)

I Monitor

(Output Current)

Optional External

Setpoint (0 to 5 V)

Short J3:5 to J3:1 when

analog input is not used.

J3:5

J3:1

or

J2:1

J2:4

J3:3

J2:3

J2:2

Jumper*

J3:4

H1:4

H1:2

H1:3

H1:1

J1:2

PDV J3:6

PD

Anode

PD Aux 

Out

J1:1

J3:2

* The External Jumper is installed only on the PLD5K-CH

and PLD10K-CH. The External Jumper is not installed on

the PLD12.5K-CH.

* A twisted-pair Power and LD Cable 

is available separately (WCB308)

Closed = Output Enabled

Open = Output Disabled

Figure 8.  Type A & B Lasers, Negative Power Supply Operation; PLD5K-CH and PLD10K-CH

J3:4

H1:4

OR

LD Anode

LD Cathode

H1:2

H1:3

LD Enable

Closed = Output Enabled

Open = Output Disabled

H1:1

+5 V

GND

(Internally Shorted)

J3:5

J3:1

or

J2:1

J2:4

J3:3

J2:3

J2:2

Analog Input

P Monitor

(PD Current)

I Monitor

(Output Current)

LIM I Monitor

LIM I Status

Optional External

Setpoint (0 to 5 V)

+

-

5 VDC

PD Anode

J1:1

0.1 µF

Common

(Low Current)

Short J3:5 to J3:1 when

analog input is not used.

PD

LD

PD

LD

DMM

10 kΩ

Pull Up Resistor

GND (Note 2)

+

-

Jumper (Note 1)

1. The External Jumper is installed only on the 

PLD5K-CH  and  PLD10K-CH.  The  External 

Jumper is not installed on the PLD12.5K-CH.

2. Isolate this ground connection from Earth if 

there  are  any  other  Earth-grounded 

components in the system.

* A twisted-pair Power and LD Cable 

is available separately (WCB308)

NOTE: For two-supply operation, it is critical to shut down the power supply to the laser first before shutting down the +5V 

supply powering the electronics.

Содержание PLD K-CH Series

Страница 1: ...nt limit switches off the output if the current limit is reached slow start circuit ramps the output current and a mechanical shorting relay protects the laser from ESD events Long term reliability me...

Страница 2: ...djust 12 turn Operating Mode PD Range L 15 500 A H 50 5000 A CP Constant Power CC Constant Current J1 J3 J2 Limit Adjust 12 turn Current Limit LED Output Enabled LED H1 PIN 1 COMMON Photodiode Output...

Страница 3: ...ing the voltage drop across the resistor Do not place an ammeter in series with the load circuit 1 5 2 5 V Compliance Current to 15 0 A Components must be heat sinked 0 05 100 W STPS20M100ST 2x J3 4 H...

Страница 4: ...mit Setpoint Monitor Transfer function varies by model refer to Table 2 Range 0 to 2 5 V Impedance 1 k NOTE Current limit needs to be set 0 2 V above desired level see page 15 for instructions on fine...

Страница 5: ...it Setpoint Monitor CC CP VLMON 2 A V 4 6 A V 5 A V IMON Output Current Monitor CC CP VIMON 2 A V 4 6 A V 5 A V Analog Input CC Mode CC 1 A V 2 3 A V 2 5 A V PMON Photodiode Current Monitor Low Range...

Страница 6: ...m Quiescent Current 150 150 250 mA Temperature Coefficient 200 ppm C Noise Ripple3 45 A PHOTODIODE FEEDBACK High Range Type A B Lasers Only 50 5000 A Low Range 15 500 A Constant Power Mode Output Stab...

Страница 7: ...inually monitors the actual output current compares it to the setpoint and adjusts the current if there is a difference between the two signals It may be useful to remember that you do not directly se...

Страница 8: ...r rated for 1 1 times the maximum laser diode drive current and 2 V greater than the compliance voltage of the laser NOTE It is critical to shut down the power supply to the laser first before shuttin...

Страница 9: ...thode LD Enable 5 V GND Internally Shorted Analog Input LIM I Monitor LIM I Status PD Anode Common Low Current PD LD OR 10 F 0 1 F 7 to 30 VDC LM 317 5V REG 732 243 1 3 2 330 F 0 1 F This circuit show...

Страница 10: ...12 5K CH A twisted pair Power and LD Cable is available separately WCB308 Closed Output Enabled Open Output Disabled Figure 8 Type A B Lasers Negative Power Supply Operation PLD5K CH and PLD10K CH J3...

Страница 11: ...athode LD Enable 5 V GND Internally Shorted Analog Input LIM I Monitor LIM I Status PD Cathode Common Low Current PD LD 10 F 0 1 F 8 to 12 5 VDC Heatsinking Required LM 317 5V REG 732 243 1 3 2 330 F...

Страница 12: ...or PD Current I Monitor Output Current LIM I Monitor LIM I Status Optional External Setpoint 0 to 5 V 5 VDC PD Anode J1 1 0 1 F Common Low Current Short J3 5 to J3 1 when analog input is not used PD L...

Страница 13: ...r To trip the current limit at exactly the desired current level refer to Set the Current Limit More Accurately on page 15 to fine tune the current limit ONBOARD ADJUSTMENTS AND CONTROLS Onboard contr...

Страница 14: ...oint This configuration allows the driver to be configured so that the laser current or power modulates around a DC setpoint If the sum of the two signals causes the PLDxK CH to attempt to drive the o...

Страница 15: ...nge L A A V PD Range H 2 5 V 10 6 R 500 Range A A V 6 R 500 10 Transfer Function 2 5 V 10 6 R 5 k Range 6 R 5 k 10 Transfer Function R 5 k R 5000 R 5000 R 500 R 500 R 500 PD Anode COMMON R Internal El...

Страница 16: ...nding to ensure safe operation of the PLDxK CH and laser It is critical that the PLDxK CH Driver is properly grounded If the PLDxK CH Driver is used with a Wavelength Electronics temperature controlle...

Страница 17: ...ode Schottky Diode 1N5818 0 1 F 10 F H1 3 H1 4 Figure 19 PLDxK CH Output Filter MONITOR CALIBRATION CIRCUIT A small offset may be present when measuring the PMON IMON or LMON voltage with respect to t...

Страница 18: ...driven by a negative voltage power supply for the best possible noise performance The electronics of the PLDxK CH driver must be biased by a 5 V power supply configuring the driver requires care when...

Страница 19: ...download applicationtechnotes an ld06 pdf POWER SUPPLIES AND NOISE The PLDxK CH drivers deliver stable current with low noise but the power supply you use will directly influence the noise performanc...

Страница 20: ...ard Mark IMAX on the Y axis and extend a line to the right until it intersects the VDROP line On the X axis mark value of VS Extend a diagonal line from VS to the intersection of the VDROP and IMAX li...

Страница 21: ...iode specifications to determine the forward voltage VF Make sure that the PLDxK CH is not compliance limited Refer to the Electrical Specifications table on page 6 If the driver is compliance limited...

Страница 22: ...CLUDED WITH PLDXK CH MOLEX PART 10 11 2063 5 0 1 2 3 4 6 5 BLACK ORANGE WHITE RED BLUE GREEN SHIELD WIRE OVERALL LENGTH 24 PHOTODIODE CABLE WCB307 INCLUDED WITH PLDXK CH 2 0 RED BLK PIN 1 PIN 2 PD CAT...

Страница 23: ...PECIFICATIONS 2 90 73 66 3 19 80 93 1 12 28 45 0 19 4 83 0 94 23 88 2 10 53 34 1 85 46 99 2 35 59 69 2 60 66 04 2 90 73 66 0 70 17 78 0 15 3 81 0 13 3 18 2 Holes Direction for Recommended Airflow Figu...

Страница 24: ...ing this product NOTICE The information contained in this document is subject to change without notice Wavelength will not be liable for errors contained herein or for incidental or consequential dama...

Отзывы:

Нет отзывов