how to connect dc - dc Solid state relay with pid temperature controller to control the heating element

 

Depends on the controller output. PID (Proportional Integral Derivative) control depending on the controller can use a few different controller outputs. They may for example use a 4 - 20 mA loop or they may use a form of PWM with a voltage out. Likewise the heating element driver may use a voltage input or current input. So what exactly do you have? That means controller make, model and data sheet and your SSR including data sheet.

Ron

 

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