Does the intercom become unusable if you keep the door open?

Question

Electronics

I apologize in advance for a possibly stupid question, but my knowledge of electronics is more than modest.
I have repeatedly heard that the intercom fails if the door is left open for a long time. It is more or less clear that the mechanical closer wears out in the extreme position. I'm interested in the opinion of experts, how does a long stay in the open state affect the intercom electronics?

UPD: Many thanks to everyone who answers this question. It should be clarified that I am interested in an ordinary magnetic lock, without any mechanical bolts - the one that is in almost every entrance. And yes, I also tend to think that nothing will happen to the castle if it is open.

Answer 1

If the electromagnet were powered by alternating current, there would be a difference: with an armature and without an armature, different inductance, which means different power consumption (more without an armature). But the locks are powered by direct current, so there is no difference.
The only problem I see is that during normal operation of the lock, power is supplied to the magnet when the door is already closed. If you keep the door open, then the next time you close the anchor, it will be attracted to the magnet that is already on. From the impact, the closer and the magnet itself can deteriorate.

Answer 2

I think the electronics don't care what position the door is in. And from this it does not wear out faster than with a closed one.

Answer 3

deteriorates for exactly the same reasons that the smell of urine appears in the entrance

Answer 4

In most intercom locks, this is an electromagnetic lock. It is almost always energized and attracts a metal bar from the other side. Whether this bar is there or not, he doesn’t care. The lock itself is sealed except for the knot where the wires are inserted.
The voltage there is only +12 V, so if you fill it with water, then there will be no boom. In winter, everything was covered with a huge layer of ice in our entrance, and nothing worked.
So it doesn't matter if it's open or closed.

Answer 5

The question should be clarified. Everything comes from there, that there is a popular opinion: the electromagnet is deteriorating. It is completely violet to the "brains" of the intercom, whether the door is open or not. It is better to ask the question with a magnet.

Answer 6

My intercom does not open, if you don’t say there, there is a voice detector, I wonder if it seems so or is it true.

Answer 7

No way! The status of the intercom does not depend on the position of the door.
The magnet is turned off by a signal (key, handset, sometimes a key combination) for a certain time, then it turns back on, there is a door there, no, it doesn’t matter. But the spring gets tired if the door is open.
The only thing that affects the door and the door closer is the time after which the intercom closes the lock. Some firms set this time so that the door first returns to the closed state, and then the lock only turns on.

Answer 8

Any, even a mechanical (not to mention electronic) lock works according to a program (wired in the controller, or set by rigid circuitry solutions - that's not the point).
The Tao of programming says: programs go bad without being used.
Thus, it is not important whether the door is open or closed, but the process of opening and closing the lock is important, because only at these moments the program fulfills its purpose.

Answer 9

When the door is open, the door may peek out from under the canopy and water may enter the lock. Corrosion in general is the main enemy of intercoms.

Answer 10

Operate and hold current are different.
And it seems that we are talking about damage to the pneumatic closer.