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08-07-2019, 01:32 PM
Part-4:
Splitting the Eagle schematic into more sheets when there is a finished board layout requires a few extra steps compared to having the schematic alone. Eagle maintains annotation between the board and schematic so that when both are open, a change made to either will reflect in the other. If you make changes to one while the other is closed, then opening both will invoke a warning that the board and schematic are inconsistent and no forward/backward annotation will take place until the errors are corrected.
We open the schematic and the board will automatically open, too. On the schematic, we move around the portion we wish to isolate and move, add the wire-links and make the net cut between them. As a check, we go to the bard and click on the ROUTE function then left click the mouse to see if there is anything disconnected. If everything has been done right there will be nothing to connect and the board and schematic are consistent.
Now we close the board.
We GROUP the circuit portion to move, select COPY, then right-click over the group and select COPY GROUP on the pop-up menu. The circuit portion is now in the clip board and you can move the cursor up to the STOP button and the virtual group disappears. Select DELETE and move the cursor back over the original group and right-click. Select DELETE GROUP on the pop-up menu then the block disappears from the schematic.
Open the new sheet of the schematic, then PASTE to bring in the circuitry and drop it in place. And SAVE.
Re-open the board and see that everything is still consistent.
Splitting the Eagle schematic into more sheets when there is a finished board layout requires a few extra steps compared to having the schematic alone. Eagle maintains annotation between the board and schematic so that when both are open, a change made to either will reflect in the other. If you make changes to one while the other is closed, then opening both will invoke a warning that the board and schematic are inconsistent and no forward/backward annotation will take place until the errors are corrected.
We open the schematic and the board will automatically open, too. On the schematic, we move around the portion we wish to isolate and move, add the wire-links and make the net cut between them. As a check, we go to the bard and click on the ROUTE function then left click the mouse to see if there is anything disconnected. If everything has been done right there will be nothing to connect and the board and schematic are consistent.
Now we close the board.
We GROUP the circuit portion to move, select COPY, then right-click over the group and select COPY GROUP on the pop-up menu. The circuit portion is now in the clip board and you can move the cursor up to the STOP button and the virtual group disappears. Select DELETE and move the cursor back over the original group and right-click. Select DELETE GROUP on the pop-up menu then the block disappears from the schematic.
Open the new sheet of the schematic, then PASTE to bring in the circuitry and drop it in place. And SAVE.
Re-open the board and see that everything is still consistent.
