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MES Platform 3.0
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MES Platform 1.0
OEE metrics are either based on or calculated from the available MES Counters (production counters) that are configured on a Line and its Cells. The placement and assignments of the production counters determines how the software will behave and the metrics it will return.
Two sets of OEE calculations are done, one at the Line level and the other at the Cell level. Each calculation is independent of the other. Therefore, where the MES Counter(s) are created and what equipment is assigned in the Production Model (to the Line and/or its Cells) makes a difference in the way each of the OEE calculations will turn out.
The following guidelines will help users create and assign MES Counters to get the best results for OEE calculation behavior:
In these scenarios, each cell in the production line flows into the next cell, in series (there are no branches to the production line).
The diagram to the right shows all of the possible physical placements for photoeye detectors used to count the infeed, outfeed and reject parts in the examples below. The diagrams in the table below show where the MES Counters were created (which equipment).
The table below has some examples of various production line configurations, along with the OEE behavior that will result based on how MES Counters are created in the Production Model and how the Material Definition counter selections are made.
| # | Scenario | Production Model | Material Definition | OEE Behavior | |||
| MES Counter Location | Infeed Count Equip. | Outfeed Count Equip. | |||||
|---|---|---|---|---|---|---|---|
| 1 |
| Infeed Line 1 | Outfeed n/a | Reject n/a | Line 1 | Line 1 | [VALID]
|
| 2 |
| Infeed n/a | Outfeed Line 1 | Reject n/a | Line 1 | Line 1 | [VALID]
|
| 3 |
| Infeed Line 1 | Outfeed n/a | Reject Cell 1 | Line 1 | Line 1 | [VALID]
|
| 4 |
| Infeed n/a | Outfeed Line 1 | Reject Cell 1 | Line 1 | Line 1 | [VALID]
|
| 5 |
| Infeed Cell 1 | Outfeed n/a | Reject n/a | Cell 1 | Line 1 | [NOT VALID]
|
| 6 |
| Infeed n/a | Outfeed Cell 3 | Reject n/a | Line 1 | Cell 3 | [NOT VALID]
|
| 7 |
| Infeed Cell 1 | Outfeed Cell 3 | Reject n/a | Cell 1 | Cell 3 | [VALID]
|
| 8 |
| Infeed Cell 1 | Outfeed Cell 3 | Reject Cell 1 | Cell 1 | Cell 3 | [VALID] Ideal configuration:
|
| 9 |
| Infeed n/a | Outfeed Line 1 | Reject Line 1 | Line 1 | Line 1 | [VALID]
|
In the scenarios below, the production line utilizes divergent (parallel) packaging cell options.
In this example, items manufactured in previous cells can be diverted into one of two packaging cells, Case or Tray, for shipping products either by the case or by the tray, based on the demand for each in the market.
The diagram to the right shows all of the possible physical placements for photoeye detectors used to count the infeed, outfeed and reject parts in the examples below. The diagrams in the table below show where the MES Counters were created (which equipment).
The table below has some examples of various production line configurations, along with the OEE behavior that will result based on how MES Counters are created in the Production Model and how the Material Definition counter selections are made.
| # | Scenario | Production Model | Material | OEE Behavior | |||
| MES Counter Location | Infeed Count Equip. | Outfeed Count Equip. | |||||
|---|---|---|---|---|---|---|---|
| 10 |
| Infeed n/a | Outfeed Line 1 | Reject n/a | Line 1 | Line 1 | [VALID]
Note: Runs using the Case Packer will drive Case Packer Outfeed counter up. Runs using Tray Packer will push Tray Packer Outfeed counter up. |
| 11 |
| Infeed n/a | Outfeed Cell 3 | Reject n/a | Line 1 | Cell 3* | [NOT VALID]
Note: Place both of the Outfeed counters on Line 1 instead. |
| 12 |
| Infeed Cell 1 | Outfeed Cell 3 | Reject n/a | Cell 1 | Cell 3* | [VALID]
|
| 13 |
| Infeed Line 1 | Outfeed Cell 3 | Reject n/a | Line 1 | Cell 3* | [VALID]
|
* Either Cell 3 or Cell 4, depending on the Material being manufactured.
