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# Latching Relay question

J

#### Jon G.

Jan 1, 1970
0
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

R

#### ryan wheil

Jan 1, 1970
0
Jon said:
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

D

Jan 1, 1970
0

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