Depending on the physical arrangement of actual zones on the Center Line, the Merge Zone can be assigned to either the Upstream or Downstream zone of its particular ConveyLinx. It can also be assigned to a ConveyLinx that is configured as a single zone ZPA controller.
In all 4 of these examples, Node 2 is the Merge Zone’s controlling ConveyLinx
Merge Zone on Upstream Zone
Merge Zone on Downstream Zone
Single Zone Module
Whenever an ConveyLinx has been Auto-Configured as a single zone; regardless of whether the single zone is connected to the right side or left side of the ConveyLinx, the logical designation for the zone on the this module is always the Upstream Zone. Shown below are examples of a single zone module using the left and right sides of the module respectively.