DYNACO DYNALOGIC 3 Control box
Dynaco Dynalogic 3 control box. This is the controller you’ll find on a huge number of mid‑2000s M2, M3, D‑641, and D‑651 doors — the era when Dynaco moved from pure relay logic to encoder‑based electronic control.
Dynaco Dynalogic 3 control box. This is the controller you’ll find on a huge number of mid‑2000s M2, M3, D‑641, and D‑651 doors — the era when Dynaco moved from pure relay logic to encoder‑based electronic control.