Issue:
- Unable to re-connect to camera when program stopped unexpectedly.
- Unable to receive live camera images when program stopped unexpectedly.
- Unable to retrieve camera's temperature after certain period of time. 


Solution:
- Heartbeat issue on GigE camera.
- Using pylon 5.0.12 for better performance on Heartbeat setting, Basler have made some correction on this feature. 

- Try to use the latest Pylon viewer software from Basler.