Re: [DML] Re: Door Lock Module
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Re: [DML] Re: Door Lock Module
- From: dherv10@xxxx
- Date: Fri, 7 Sep 2001 07:54:54 EDT
Group, My last comments for now about the door lock module. Again, I'm not
making a case to save them, just pointing out some things that I have found.
A fuse or a circuit breaker is current sensing electro mechanical devise made
to protect something. Whether it's a module or a hair dryer. Some fuses blow
and you have to replace them and other fuses like the CB trip and self heal.
Match the current needed to the circuit and the lag time for the circuit to
trip the protection devise. The circuit breaker has a slow response time to
the current flow. By using the lower current/amp CB, you tighten up the
response time for it to trip, thus saving the devise your trying to protect.
40 amp CB are to slow to respond in this circuit, that will allow the circuit
to burn up or blow a diode or something. The Module already has 1000 mf cap's
in the circuit to lessen the spark, and the coils of the relay's are
activated by the door lock switch. These have virtually no current on them
and will almost last forever.
To sum it up, 1st, I'm not trying to build a door lock module, 2nd, the 10amp
or 15 CB amp will help protect, 3rd, I do have better relay to go into the
module if you want to update it, and 4th, if you will lubricate to mechanical
mechanism that activates the locks and make sure the door lock switch handle
isn't a compromising position, you may not have a problem with the module
failing. Bob, has done I'm sure a great design on this module and I have
other fish to fry at this point.
Thanks
John Hervey
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