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8.1 External I/O Terminal
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(3) Connections for the inter-lock function (example)
For example, to ensure the safety of workers, the unit and the tested object
are placed in a box so that they are not in contact with each other. The door
of the box cover is also equipped with a switch that works in combination
with the inter-lock function. If a connection is made to the switch, the
interlock function is enabled when the box cover is opened. When the cover
is closed, the function is disabled, making the unit ready for testing.
All keys are inactive provided that the inter-lock function is active. As a
result, once the unit is mounted in the box, the settings cannot be changed.
In such a case, connect the setting adjustment switch the door switch such
that these switches are arranged in parallel, as shown below: