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Because of the lower price point of PWM controllers they are often less configurable than MPPT controllers. Still, PWM controllers with configurable setpoints do exist.
https://images-na.ssl-images-amazon.com/images/I/41rfGiDqJJL._SL500_AC_SS350_.jpg?150 The TriStar TS-45, and TS-60 PWM professional grade controllers are configurable with a cable.
It is rebranded as the MISOL B series at parity or slight markup.
The Viewstar BN series is configurable from the controller or from MT-50. It is available in 10A, 20A, 30A, 45A, and 60A models.
It is rebranded as the Renogy Viewstar in 20A and 30A models at 2x the price.