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© 2012 Thorlabs
Contents
Page
1
General description of the PDA8000
2
1.1
Safety
2
1.2
Features
4
1.3
Technical data
5
1.4
Operating elements at the front of the module
6
1.5
Presettings
7
1.5.1
Offset adjustment
7
1.6
Connecting the photodiode
7
2
Operating the PDA8000
8
2.1
Functions in the main menu
8
2.1.1
Display 8
2.1.2
Selecting a module
8
2.2
Functions in the channel menu
9
2.2.1
Display 9
2.2.2
Changing parameters
10
2.2.3
Selecting the polarity of the photo diode
11
2.2.4
Calibrating the photo diode
11
2.2.5
Setting the bias voltage
11
2.2.6
Switching on the bias voltage of the photo diode
12
2.2.7
Setting the measurement range
12
2.2.8
Measuring the forward voltage (option PDA8000-FWD)
13
2.3
Display error messages
13
3
Communication with a control computer
14
3.1
General information
14
3.1.1
Nomenclature 14
3.1.2
Data format
14
3.2
Commands
15
3.2.1
Selecting the module slot
15
3.2.2
Selecting a port (PORT)
15
3.2.3
Calibrating a photo diode (CALPD)
15
3.2.4
Programming the forward current (IFWD)
16
3.2.5
Reading the photo diode current (IPD)
16
3.2.6
Switch the bias voltage on and off (PDBIA)
17
3.2.7
Select the photo diode polarity (PDPOL)
17
3.2.8
Reading the optical power (POPT)
18
3.2.9
Selecting the measurement range (RANGE)
18
3.2.10
Querying the module type
19
