Using NL3W (Netlist utility for BSch3V)

NL3W generates the netlist, from BSch3V's schematic file.

Operation

1. Start up NL3W
2. Select the input schematic file(s).
   There are 2 ways to select input file(s).
   • Click the "Ref..." button on right side of the "Input" listbox.
   • Drag and drop from Explorer.
   The output file name is automaticaly created.
   
   
   • Format
     You can select "Telesis" or "Protel" format by default.
     BSch3V package includes "PADS" add-in as a sample.(with source code)
     To Create a netlist with PADS format, Click [Add-in] and select nl3wpads.dll.
     
3. Click the "Execute" button.
   

Rules

1. Ignored object
   NL3W ignores comment, dash-line, bus-line, bus-entry, and wire-entry.
   If you draw the schematic like the following figure, NL3W doesn't work as intended.
   
   
   In this case, the signal D0 is connected to U1.18, U2.2, U3.18, and U4.2 by NL3W.
   
   To avoid the such trouble, you should draw , as shown in the following figure.
   
   
2. Name of Signal line
   Signal lines can be named.
   The signal lines which have the same name are connected by NL3W.
   • Tag
     
   • Sigle-pin component
     
     
     • The single-pin component with reference number has no effect.
     • If the single-pin component has no value, signal line is named with original name.
     • If the single-pin component has value(like "GND", "+12V"), signal line is named with the value.
       
   • Label
     
     The vertical(horizontal) label names the signal name of vertical(horizontal) line.
     
   • Eliminate signal NOCONNECTION
     If you check this option, NL3W does not output net that has a signal name "NOCCONECTION".
     
     There is a component "NOCONNECTION" in the standard library "DISCRETE".
     
     It shows that the terminal is connected nowhere explicitly.
     
     Left: Non-explicit NO CONNECTION
     Right: Explicit NO CONNECTION
     
     
     If you use the component "NOCONNECTION" and make netlist with NL3W, you have to check this option.
     
3. Optimizing overlapped wires
   If overlapped wires are vertical or horizontal, they are regarded as a single wire by NL3W.
   
   Current version of BSch3V optimizes overlapped horizontal and vertical wire automatically.
   
   But slanted wires are not optimized. So if their end are not located at the same position, They are regarded as unconnected lines.
   
   
   And overlapping of wire and pin is not optimized.
   
   Wire2 is not connected to U1.2 in the netlist.