4.7.10
Calibrating a photo diode (CALPD)
48
4.7.11
Optical power (POPT)
49
4.7.12
Reading the optical power from the display (POPTP)
50
4.7.13
Reading the laser diode voltage (VLD)
50
4.7.14
Reading the bias voltage (VBIAS)
50
4.7.15
Reading the monitor diode limit current (LIMMP)
51
4.7.16
Reading the internal photo diode current (IPDI)
51
4.7.17
Reading the external photo diode current (IPDE)
51
4.8
Error messages of the LDC340-IEEE
52
4.8.1
General errors
52
4.8.2
LDC340 operation error messages
55
4.9
Status reporting
57
4.9.1
Standard event status register (ESR)
59
4.9.2
Standard event status enable register (ESE)
59
4.9.3
Status byte register (STB)
60
4.9.4
Service request enable register (SRE)
60
4.9.5
Reading the STB by detecting SRQ
61
4.9.6
Reading the STB by *STB? command
61
4.9.7
Reading the STB by serial poll
61
4.9.8
Device error condition register (DEC)
62
4.9.9
Device error event register (DEE)
63
4.9.10
Device error event enable register (EDE)
63
4.10
Hints for setting up control programs
64
5
Maintenance and repair
67
5.1
Maintenance 67
5.2
Selecting the line voltage
68
5.3
Exchanging the line fuse
68
5.4
Exchange of internal fuses
70
5.5
Troubleshooting 71
6
Appendix 73
6.1
Warranty 73
6.2
Certifications and compliances
74
6.3
Technical data
76
6.4
Thorlabs “End of Life” policy (WEEE)
79
6.4.1
Waste treatment on your own responsibility
79
6.4.2
Ecological background
80
6.5
List of acronyms
81
6.6
List of figures
82
6.7
Addresses 83
