Change Driving Rule Values

1. Open the Parameters dialog box.

   Note the Driving Rule value for the port_b_size and port_c_size parameters. These values indicate that a driving rule (component_type_rule) has been defined for these two parameters. When component_type equals standard, the rule sets these two port sizes equal to port_a_size, and the values cannot be changed. If you change component_type to custom, you can then choose independent values for port_b_size and port_c_size.

2. Change component type from standard to custom.
3. Change port_b_size to 3 inches and port_c_size to 0.75 inch. Notice that independent port sizes can be specified.
4. Now, change your component type back to standard. All ports are updated to match port_a_size.

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