Machine Constraints

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The Machine Constraints page allows you to define secondary constraints that apply whenever a work center or a machine center has production orders scheduled on it. Secondary constraints applied at this level are typically machine operators.

If the constraint is specific to an item or a routing operation it must be defined in the production bill of materials. If the constraint is specific to a certain production order, like customer-specific packaging, it must be defined in the production order components. If the constraint is specific to a certain operation when running on a certain work center or machine center, like a machine-specific mold, it must be defined on the Machine Alternate Constraints page.

Page Field/Control Name Caption ToolTip
IWX Mx Item Card IWX Mx Production Cell No. Production Cell No. Specifies the production cell this item is considered a part of for scheduling.
IWX Mx Item Card IWX Mx Shift Code Shift Code Specifies the shift code to identify the availability pattern of this resource. Only used for labor/operators.
IWX Mx Item Card IWX Mx Constraint Tracking Constraint Tracking Specifies if the item constrains the schedule or just tracks or ignores. Tracked items are allowed to go negative.
IWX Mx Item Card IWX Mx Fence Type Fence Type Specifies if the item uses the global fence or the item’s lead time. An item with critical constraint tracking cannot fall below zero from the base datetime of the schedule plus the fence value.
IWX Mx Item Card IWX Mx Tolerance Tolerance Specifies the percent allowance on the requirement quantity against the available quantity. Use “0” if the exact requirement value must be used.
IWX Mx Item Card IWX Mx Reserve Reserve Specifies if the item should be reserved from now to start of the operation that requires it. This is typically set to never.
IWX Mx Item Card IWX Mx Consumption Type Consumption Type Specifies if the item can be consumed in fractional quantities (e.g., 0.1) or must be consumed in whole numbers (e.g., 1).
IWX Mx Item Card IWX Mx Minimum Level Minimum Level Specifies the minimum level of this item. The system cannot consume below this level.
IWX Mx Item Card IWX Mx Maximum Level Maximum Level Specifies the maximum level of this item. The system cannot replenish above this level.
IWX Mx Item Card IWX Mx Use Min. and Max Use Min. and Max Specifies if the minimum and maximum levels should be used or ignored.
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