THORLABS LDC340 Manuals

Manuals and User Guides for THORLABS LDC340. We have 1 THORLABS LDC340 manual available for free PDF download: Operation Manual

THORLABS LDC340 Operation Manual (89 pages)

Laser diode controller

Brand: THORLABS | Category: Controller | Size: 1 MB

Table of Contents
3
General Information
7
At a Glance
7
Safety
10
Ordering Codes and Accessories
12
Getting Started
13
Unpacking
13
Preparation
13
Operating Elements
14
Front Panel
14
Rear Panel
15
First Operation
16
Operating the LDC340
17
Presettings
17
DIP Switch for "Wake Up" Preset
17
Setting the Limit of the Laser Current I
19
Setting the Limit of the Monitor Diode Current I
19
Adjusting the Power Display of an Internal Monitor Diode
20
Connecting Components
21
Pin Assignment of the Output Jack
21
Using the Interlock Input
22
Connecting the Monitor Diode
23
Laser Voltage Measurement
24
Temperature Window Protection Input (WIN IN)
25
Display
25
Main Setting Knob
26
Mode Select
26
Display Select
27
Analog Modulation Input
27
Analog Output
28
Setup of Polarities and Bias Voltage
28
Polarity of the Laser Diode (LD POL)
28
Polarity of the Internal Monitor Diode (PD POL)
29
Bias Voltage of the Monitor Diode (PD BIAS)
29
Adjusting the Bias Voltage of the Monitor Diode
30
Laser Current ON/OFF (LD ON)
31
CP Gain
32
Communicating with a Control Computer (LDC340-IEEE)
33
General Remarks
33
IEEE488 Interface
34
Interface Specifications (IEEE 488 Subsets)
34
Setting up the Interface
35
Connecting the Instrument
37
IEEE488 Bus Commands
38
Before Programming
40
Nomenclature
40
Program and Response Messages
40
Data Format
41
Common Commands and Queries
42
Identification Query
42
Reset
42
Self-Test Query
42
Set Operation-Complete Bit
42
Operation-Complete Query
43
Wait
43
Event-Status-Enable-Register (ESE)
43
Query Standard-Event-Status-Register (ESR)
43
Service-Request-Enable-Register (SRE)
44
Query Status-Byte-Register (STB)
44
System Command Group
45
Answer Mode
45
Error-LED Mode
45
Querying the Error Queue
46
Oversampling Rate
46
Status Command Group
47
Query Device-Error-Condition-Register (DEC)
47
Query Device-Error-Event-Register (DEE)
47
Device-Error-Event-Enable-Register (EDE)
47
LDC340 Specific Commands
48
Operation Mode (MODE)
48
Laser Diode Polarity (LDPOL)
48
Photo Diode Polarity (PDPOL)
49
Photo Diode Range (PDRANGE)
49
Switching the Bias Voltage on and off (PDBIA)
50
Switching the Output on and off (LASER)
51
Reading the Laser Diode Hardware Limit (LIMCP)
51
Laser Diode Current (ILD)
52
Monitor Diode Current (IMD)
53
Calibrating a Photo Diode (CALPD)
54
Optical Power (POPT)
55
Reading the Optical Power from the Display (POPTP)
56
Reading the Laser Diode Voltage (VLD)
56
Reading the Bias Voltage (VBIAS)
56
Reading the Monitor Diode Limit Current (LIMMP)
57
Reading the Internal Photo Diode Current (IPDI)
57
Reading the External Photo Diode Current (IPDE)
57
Error Messages of the LDC340-IEEE
58
General Errors
58
LDC340 Operation Error Messages
61
Status Reporting
63
Standard Event Status Register (ESR)
65
Standard Event Status Enable Register (ESE)
65
Status Byte Register (STB)
66
Service Request Enable Register (SRE)
66
Reading the STB by Detecting SRQ
67
Reading the STB by *STB? Command
67
Reading the STB by Serial Poll
67
Device Error Condition Register (DEC)
68
Device Error Event Register (DEE)
69
Device Error Event Enable Register (EDE)
69
Hints for Setting up Control Programs
70
Maintenance and Repair
73
Maintenance
73
Selecting the Line Voltage
74
Exchanging the Line Fuse
74
Exchange of Internal Fuses
76
Troubleshooting
77
Appendix
79
Warranty
79
Certifications and Compliances
80
Technical Data
82
Thorlabs "End of Life" Policy (WEEE)
85
Waste Treatment on Your Own Responsibility
85
Ecological Background
86
List of Acronyms
87
List of Figures
88
Addresses
89

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THORLABS LDC340 Operation Manual (89 pages)

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