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Relay types - impulse vs latch?


  • To: <ukha_d@xxxxxxx>
  • Subject: Relay types - impulse vs latch?
  • From: "Tracey Gardner" <tracey.gardner@xxxxxxx>
  • Date: Fri, 15 Feb 2002 19:18:47 -0000
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx


Hi Andrew

I don't know if this will help but it should explain the latching
relay situation.

Tracey

Impulse relay

A relay that completely opens and closes, even when operated with
short pulses
A relay that distinguishes between strong and weak impulses,
operating only on
the strong ones.


Latching Relay

* One Coil Latching
Relay with a latching construction that can maintain
the ON or OFF state with one coil the relay is set
or reset by applying signals of opposite polarities.

* Two Coil Latching
Relay with construction composed of 2 coils, set
and reset coil. The relay is set or reset by
alternately applying pulse signals of the same
polarity to the respective coil.

* Magnetic Latching
Latching mechanism that hold the state of the relay
contacts even if the power is removed from the coil
by magnetic means.




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