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Error on Constant to Momentary Output Relays


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mpheyse 
Member - Posts: 4
Member spacespace
Joined: February 21, 2017
Location: Michigan, United States
Posted: February 21, 2017 at 10:13 AM / IP Logged Link to Post Post Reply Quote mpheyse
On the Relay Diagrams there are four entries for "Constant to Momentary Output" relay setups
But the Text is the same for all four, and is the proper text for just the +/+ one.
The capacitor allows the coil of the relay to be energized until the capacitor stores a charge, thus de-energizing the coil. The resistor bleeds off the charge of the capacitor when positive voltage is removed from the other side of the coil. You can increase the output time by simply changing the value of the capacitor. This one will give you about a 1/2 second output.
Example
Its the same for circuits that should say things like "The resistor bleeds off the charge of the capacitor when the Negative Switch is allowed to float (disconnected)" for the +/- one.
I'm posting in relays, because I didn't see a Problems or Website Issues one.
the12volt 
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Joined: March 07, 2002
Location: Louisiana, United States
Posted: February 21, 2017 at 10:58 AM / IP Logged Link to Post Post Reply Quote the12volt
Good catch and thanks for posting! The text needs to be updated for the negative switched relays (-/- and -/+). All four diagrams were drawn, but not labeled with the coils being connected to a switched 12V source and not a constant 12V source, however a constant 12V source can be used for the negative switched diagrams and the capacitors will discharge when ground is removed (by the switch) as the resistor is connected to both capacitor terminals.
Error on Constant to Momentary Output Relays - Last Post -- posted image. the12volt • Support the12volt.com
the12volt 
Administrator - Posts: 3,955
Administrator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 07, 2002
Location: Louisiana, United States
Posted: February 21, 2017 at 11:09 AM / IP Logged Link to Post Post Reply Quote the12volt
The descriptions have been updated for the negative switched diagrams.
Error on Constant to Momentary Output Relays - Last Post -- posted image. the12volt • Support the12volt.com

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