Limit Switch Action: Guidelines
About this task
The first location of the source region is checked for items.
Actions triggered by what items exist are: | ||
If | No items exist in the source region, | |
Then | No items are moved. | |
If | Multiple items exist at a location, | |
Then | All items at the location move. | |
Actions triggered by the specified handling of a moved item are: | ||
If | Not handled along the route, | |
Then | The item moves and a message is logged warning the user. | |
If | Not allowed in the destination region, | |
Then | The item is deleted and a message is logged warning the user. |
Note: Other Guidelines for Limit Switch include:
Procedure
- The transition point may be an integer or character string point.
-
The first 36 characters of a setpoint, if configured, are:
First 16 characters Item type Next 20 characters Either the: - Item ID: for a serialized item
- Associated or parent item ID: for a non-serialized item.
- If a limit switch is used to transition an item and the source region is empty, the limit switch is ignored.
- The route for a production start region can specify a limit switch as the transition indicator if the item type is explicitly defined for the route.