Em 25/10/2011 16:54, alan smith escreveu:
> http://www.aislu.com/documents/HG30T_EN_S101027V1.pdf
>
> If you look at the drive principle, its saying a position DC to latch, an=
d a negative DC to unlatch?  Is this the same thing as just reversing the D=
C voltage on the coil? Ive not used latching relays before....


There are two types of latching relays, the one with one coil that
closes when power is applied to the coil in one polarity and opens when
the opposite polarity is applied.
The other type has two coils, applying a pulse to one coil closes and a
pulse to the other coil closes it. Some two-coil relays also work with a
single coil if the polarity of the signal is reversed.

There is a third type of latching relays, the bi-stable type. In this
type, applying one pulse to the coil makes it close, applying another
pulse makes it open and so on.


Best regards,

Isaac

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