Temperature Controller Main Card

This contains the Main card with a Power Supply and Relay Control. On this card is connected the Display ICL7107 – Temperature controller.

The Thermocouple and Control Modules can be plugged into this card, these change the type of control and type of inputs. This way this can be made into any parameter controller with any type of input and output. But it is all set in production, not configurable at site.

So even if you make a 4-20mA output Flow Controller with this, the Main card and Display card remains the same. Only the Modules change. No Connectors are used, to make it vibration resistant.

The PCB Layout is here

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