Sepasoft MES Module Suite
Default Control Limits
The control limits are defined by the enterprise and can be added, edited or deleted on the Enterprise page in the designer under the Quality tab.
When a new Enterprise Production Item is added, the following control limits are added:
| Kind | Description | LSL | Target | USL | LCL | UCL |
|
Chart |
|---|---|---|---|---|---|---|---|---|
| Cp | Process Capability. A simple and straightforward indicator of process capability | * | * | * |
|
|
|
Process Capability |
| Histogram | Histograms are used to show distribution of variables |
|
|
|
* | * |
|
Histogram |
| Individual | Individual Control Charts for time series tracking of a process |
|
|
|
* | * |
|
Individual |
| MR | Moving Range used to indicate process variation by calculating the ranges of two or more consecutive samples |
|
|
|
* | * |
|
Individual and Range |
| Median | Median is the middle point when data points are arranged from high to low |
|
|
|
* | * |
|
Median and Range |
| Pp | Process Performance. A simple and straightforward indicator of process performance | * | * | * |
|
|
|
Process Performance |
| Range | XBar Range used to indicate process variation by calculating the ranges of two or more samples that have multiple measurements |
|
|
|
* | * |
|
XBar and R |
| StdDev | Standard Deviation |
|
|
|
* | * |
|
XBar and S |
| XBar | Xbar represents the sample mean of a number of repeated observations | * |
|
* | * | * |
|
XBar and S |
| c | Count type data, Total number of non-conformities (defects) per unit or total number of events occurring in a given unit of time |
|
|
|
* | * |
|
C-Chart | Vision |
| u | Count type data. Total number of non-conformities (defects) per item or group of items |
|
|
|
* | * |
|
U-Chart | Vision |
| np | Non Performing. Number of nonconforming units in a sample |
|
|
|
* | * |
|
NP-Chart | Vision |
| p | Proportion Non Performing. proportion of nonconforming units in a sample |
|
|
|
* | * |
|
P-Chart | Vision |
Sepasoft MES Module Suite