Ok, I tried making a wire safe, but im a noob and I don't know how hydraulics work. Im really new to wire, so please could you make a picture?[/b]
Hopefully this helps! It might help to print this post so you can look at it while you're building. 

If you know your closed length is always going to be 0, you can simplify the diagram by removing the Add and Choice gates, Constant Value B, and Constant Value C, and instead do this:
Multiply Gate
A: (in from Equals Gate)
B: (in from Constant Value D)
Hydraulic Control
Length: (in from Multiply Gate)[/b]
If you know how to use the Expression Gate, you can use one of those instead, combining seven chips into one:
Code:
N@Door Control
I@UserID
O@HydLength
UserID != 3 -> HydLength = 0;
UserID == 3 -> HydLength = 200;
Assuming your UserID is 3 (you can check by looking at your card's signature).
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