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Bi-directional motor control
Nov 25, 2023
We have used the pulse relay type MR-42 many times, not only for lighting control functions. In this week's letter, we also use this versatile, simple small relay module for a simple switching technology idea - specifically for the two-way control of motors (blinds, gate or garage door operators). Of course, that would be too easy!   How should it work? Let's use our relays in the same way as controllers manufactured specifically for this purpose. For two-way control, use only one push button (or several connected in parallel), so the operation is as follows: the first button pr..
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1 button, 2 directions, 3 protection
Oct 12, 2023
The number 1 - 2 - 3 is a coincidence in reality, but it is completely true of the relay circuit that is now being presented, which may seem a bit complicated at first. A pushbutton is sufficient to control a suitable electric motor (e.g. gate movement) in two directions, but the circuit shown in Picture 1 also has three protection functions. In the drawing, the individual functional parts are marked separately, which can even be used as a stand-alone circuit in other applications. The basic condition is, of course, that the drive motors have their own limit switch. Basic circuit ..
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