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jupytext:
  text_representation:
    extension: .md
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(interlock_constraint)=
# interlock_constraint
Represents a restriction on which gates in a tunnel system that can be open/closed at the same time.

|   |   |
|---|---|
|Input connections|{ref}`tunnel`|
|Output connections|{ref}`tunnel`|
|License|SHOP_TUNNEL|
|Release version|13.5.1.a|

```{contents}
:local:
:depth: 1
```







## Attributes
```{code-cell} ipython3
:tags: ['remove-input', 'full-width']

from IPython.core.display import HTML
HTML("""<table id="interlock_constraint-table" class="display compact"></table>
<script>
enableDataTable(
  "#interlock_constraint-table",
  "/_static/data/interlock_constraint-attribute-table.json"
);
</script>
""")
```

(interlock_constraint:min_open)=
### min_open
Minimum limit for how many objects connected to this constraint that can be open simultaneously. (xUnit: NO_UNIT, yUnit: NO_UNIT)


(interlock_constraint:max_open)=
### max_open
Maximum limit for how many objects connected to this constraint that can be open simultaneously. (xUnit: NO_UNIT, yUnit: NO_UNIT)


(interlock_constraint:forward_switch_time)=
### forward_switch_time
Minimum number of hours that plant below must be stopped after closing tunnels connected to this constraint. (xUnit: NO_UNIT, yUnit: NO_UNIT)


(interlock_constraint:backward_switch_time)=
### backward_switch_time
Minimum number of hours that plant below must be stopped after closing tunnels connected from this constraint. (xUnit: NO_UNIT, yUnit: NO_UNIT)