Latching Relay question

Mar 16, 2005 2 Replies

Hi,



I dont understand how the latching relay works. Here is the diagram:


V2309-B1208-B301



|-\ -| *-------* | \ | *-----* | | | | | | | | r *-----------------* r | s -|+ e |12 10 9 8 7 | e -|+ s e === s | | s === e t +|- e | 1 3 4 5 6 | e +|- t | t *-----------------* t | | | | | | | | *-------* | / | *-----* |-/ -|



contacts in reset position. Both coils can be used as either set or reset coil.



pins 1,12 are one coil, pins 6,7 are the other coil.



For instance, does this mean? (below)



pins time,sec 12 10,9 9,8



-------------------------------- 1 1 closed open 2 0 open closed 3 1 open closed 4 0 closed open



pins time,sec 6 3,4 4,5



-------------------------------- 1 1 closed open 2 0 open closed 3 1 open closed 4 0 closed open



can I just leave one coil open and only use the other?



Jon


you have keep smething in mind: latching relay means mechanically latched. To change the relay state you have to use a pulse on either coil. never leave power on steady or you will not be able to change the state rw

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