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© 2010 Thorlabs
2.2.1 Display 29
2.2.2 Changing parameters 31
2.2.3 Selecting the polarity of the laser and the monitor diode 32
2.2.4 Calibrating the monitor diode 32
2.2.5 Adjusting the bias voltage for the monitor diode 33
2.2.6 Selecting constant current or constant power mode 33
2.2.7 Selecting the type of the sensor 34
2.2.8 Calibrating a thermistor 34
2.2.9 Setting a temperature window 36
2.2.10 Activating the temperature protection 36
2.2.11 Setting the P-, I- and D-share of the control loop 36
2.3 Switching on and off 37
2.4 Error messages 39
3Communication with a control computer 41
3.1 General notes on remote control 41
3.1.1 Nomenclature 41
3.1.2 Data format 42
3.2 Commands 43
3.2.1 Select a module slot 43
3.2.2 Calibrating a photo diode (CALPD) 43
3.2.3 Thermistor calibration (exponential method) 44
3.2.4 Thermistor calibration (Steinhart-Hart method) 45
3.2.5 Programming the laser diode current (ILD) 46
3.2.6 Programming the monitor diode current (IMD) 47
3.2.7 Switching the I-share on and off (INTEG) 48
3.2.8 Reading the TEC current (ITE) 48
3.2.9 Switching the laser output on and off (LASER) 49
3.2.10 Selecting the laser diode polarity (LDPOL) 49
3.2.11 Programming the laser diode software-limit (LIMC) 49
3.2.12 Reading the laser diode hardware-limit (LIMCP) 50
3.2.13 Programming the TEC current software-limit (LIMT) 50
3.2.14 Selecting the mode of operation (MODE) 50
3.2.15 Selecting the photo diode polarity (PDPOL) 51
3.2.16 Programming the optical power (POPT) 51
3.2.17 Programming the resistance of the thermistor (RESI) 52
3.2.18 Programming the resistance window (RWIN) 53
3.2.19 Selecting the sensor (SENS) 53
3.2.20 Programming the PID shares (SHAREP, -I, -D) 54
3.2.21 Switching the TEC on and off (TEC) 54
