Backward Schedule Block Operations in Sequence
Explanation
Use this activity to backward schedule shop order operations
connected to an operation block in sequence after each others from a given
finish
date/time.
Prerequisites
- An operation block in status Planned,
Released or Started with one or several connected
operations must exist.
- The site should not use constraint based
scheduling server.
System Effects
- As a result of this activity the Schedule Direction for
the operations connected to the operation block will be set to
Backwards Scheduling and scheduled sequentially of each others with
the last operation finishing on the finish date/time provided in the dialog
box. Operations within the block will be sorted following below priority:
- Operation Priority.
- Operation original Planned Start Date/Time.
- As a result of this activity the Schedule
Direction for the operations connected to the operation block will be
set to Backwards Scheduling and scheduled sequentially of each others
with the last operation finishing on the finish date/time provided in the
dialog box. Operations within the block will be prioritized according to
their original planned finish date/time.
- Operations parallel to, and preceding the rescheduled operations will
also be set to Backwards Scheduling and rescheduled.
- If the Compress Operations check box is selected
and the new date/time for the rescheduled operation is earlier than the
original date/time, operations on the same shop order succeeding the rescheduled operation will be set to
Forward Scheduling
and rescheduled with a Start Date
adjacent to the rescheduled
operations new Finish Date.
- If the Schedule with new Setup Time between Operations
check box is selected, all operations except the operation scheduled to
start first will be scheduled
with a new setup time as defined in the Setup Time field. The Scheduled Setup Time
field will be updated with the new setup time.
Window
Operation Block
Operation Blocks
Shop Order
Shop Order Operations
Shop Floor Workbench
Related Window Descriptions
Schedule Operation Block
Operation Block
Operation Blocks
Connect Operation(s) to Operation Block
Shop Order/Operations
Shop Order
Operations
Shop Floor Workbench
Related Visualization Chart Descriptions
Shop Order Machine Load
Shop Order Labor Load
Machine Operation Load In Standard Hours
Labor Operation Load In Standard Hours
Procedure
From Operation Block and Operation
Blocks windows:
- Search for the operation block you wish to
schedule.
- Right-click and click Schedule Operation Block.
The Schedule Operation Block dialog box appears.
- Select the Backward Scheduling option.
- Optionally, use the List of Values in the
Succeeding Block field to select which operation block this block should
precede. The Finish Date will be set the same as the succeeding block's
start date, and the Preferred Resource will be set the same as the
preferred resource of the selected succeeding block.
- Verify or enter the date/time on which you want
the first operation in the operation block to start in the Finish Date
field.
- Verify or enter the resource on which you want the
operations to be scheduled in the Preferred Resource field. Use the
List of Values to select from available work center resources.
- Select the Schedule in Sequence option.
- If you want to avoid slack between operations
succeeding the block operation on the same shop order when rescheduled to an
earlier date/time, select the Compress Operations check box.
- If you want to schedule the block with a new setup
time between the operations, select the Schedule with new Setup Time between Operations
check box and enter the new setup time in the Setup Time field.
- Click OK.
From the Connect Operation(s) to Operation Block
dialog box:
- Select the Schedule Operation Block
check box and click OK, the Schedule Operation Block
dialog box appears.
- Select the Backward Scheduling option.
- Optionally, use the List of Values in the
Succeeding Block field to select which operation block this block should
precede. The Finish Date will be set the same as the succeeding block's
start date, and the Preferred Resource will be set the same as the
preferred resource of the selected succeeding block.
- Verify or enter the date/time on which you want
the first operation in the operation block to start in the Finish Date
field.
- Verify or enter the resource on which you want the
operations to be scheduled in the Preferred Resource field. Use the
List of Values to select from available work center resources.
- Select the Schedule in Sequence option.
- If you want to avoid slack between operations
succeeding the block operation on the same shop order when rescheduled to an
earlier date/time, select the Compress Operations check box.
- If you want to schedule the block with a new setup
time between the operations, select the Schedule with new Setup Time between Operations
check box and enter the new setup time in the Setup Time field.
- Click OK.
From Shop Order Operations, Shop Order/Operations
and Shop Floor Workbench windows:
- Search for the shop order operation connected to
operation block you wish to schedule.
- Right-click, point to Operation Block and
then click Schedule.
The Schedule Operation Block dialog box appears.
- Select the Backward Scheduling option.
- Optionally, use the List of Values in the
Succeeding Block field to select which operation block this block should
precede. The Finish Date will be set the same as the succeeding block's
start date, and the Preferred Resource will be set the same as the
preferred resource of the selected succeeding block.
- Verify or enter the date/time on which you want
the first operation in the operation block to start in the Finish Date
field.
- Verify or enter the resource on which you want the
operations to be scheduled in the Preferred Resource field. Use the
List of Values to select from available work center resources.
- Select the Schedule in Sequence option.
- If you want to avoid slack between operations
succeeding the block operation on the same shop order when rescheduled to an
earlier date/time, select the Compress Operations check box.
- If you want to schedule the block with a new setup
time between the operations, select the Schedule with new Setup Time between Operations
check box and enter the new setup time in the Setup Time field.
- Click OK.
From a visualizer chart:
- Open a visualizer enabled window and query for the
site needed.
- If the Data View is displayed, click
Visualization View on the title bar.
- Right-click and click Select Visualization.
The Select Visualization dialog box is opened.
- Double-click Machine Operation Load in Standard
Hours, Labor Operation Load in Standard Hours, Shop
Order Machine Load or Shop Order Labor Load.
- Select the bar/segment representing the shop order
operation(s) connected to operation block you want to schedule, right-click,
point to Operation Block and then click Schedule.
The Schedule Operation Block dialog box appears.
- Select the Backward Scheduling option.
- Optionally, use the List of Values in the
Succeeding Block field to select which operation block this block should
precede. The Finish Date will be set the same as the succeeding block's
start date, and the Preferred Resource will be set the same as the
preferred resource of the selected succeeding block.
- Verify or enter the date/time on which you want
the first operation in the operation block to start in the Finish Date
field.
- Verify or enter the resource on which you want the
operations to be scheduled in the Preferred Resource field. Use the
List of Values to select from available work center resources.
- Select the Schedule in Sequence option.
- If you want to avoid slack between operations
succeeding the block operation on the same shop order when rescheduled to an
earlier date/time, select the Compress Operations check box.
- If you want to schedule the block with a new setup
time between the operations, select the Schedule with new Setup Time between Operations
check box and enter the new setup time in the Setup Time field.
- Click OK.