Inserting and Editing Individual Gates and Events
To insert and edit gates or events one at a time:
1. In the FTA Diagram, select the HD Failure OR gate that you just inserted.
2. Right-click this gate and select Insert Input. The Insert Input window opens.
3. Select OR Gate as the input type and click OK to insert the gate.
4. Do the following to define this gate’s properties:
a. Double-click the gate to open the Properties window.
b. Select the General page.
c. For Identifier, enter Mech Fault.
d. For Description, enter Mechanical failure .
e. Click OK to close the Properties window.
5. Select the HD Failure OR gate again.
6. Right-click this gate and select Insert Input; then, insert another OR gate.
7. Do the following to define this gate’s properties:
a. Double-click the gate to open the Properties window.
b. Select the General page.
c. For Identifier, enter Elec/SW Fault.
d. For Description, enter Electrical or software failure .
e. Click OK to close the Properties window.
8. Select the HD Failure OR gate again.
9. Right-click this gate and select Insert Input; then, insert yet another OR gate.
a. Double-click the gate to open the Properties window.
b. Select the General page.
c. For Identifier, enter Ext Fault.
d. For Description, enter External failure .
e. Click OK to close the Properties window.