Sacher Lasertechnik
Group
User Manual Laser Diode Controller PilotPC 4
Simplified Temperature Control Block Diagram
The main temperature control blocks are build in software.
This has some advantages for the user.
- free programmable PID Setup
- free programmable current limit
Also some diagnostic features are implemented to protect the laser
diode
- Open load detection of TEC
- Bad heat sink detection
- temp watch window supervising
- Open/ short circuit detection in sensor lines
12 Bit DAC
uController Unit
AD590 Current to Voltage Transmitter
TEC
Current
Source
16 Bit High Speed
ADC
PID Controller
Open Load
Detection
Limit
TEC Current
Control
NTC Signal Amplification
Sensor Control
Diagnostics
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