Installation
Operating Manual PSS u2 ES 4DO R 8A
1004548-EN-03
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6.3.3
Changing an electronic module during operation
An electronic module can be hot swapped.
Effects:
}
Module bus communication between the other modules is not interrupted.
}
The configuration data is retained.
}
The module is detected automatically as soon as the module is re-inserted.
Procedure:
1. Removing an electronic module
2. Inserting an electronic module
A new electronic module can be inserted during operation.
Procedure:
}
Inserting an electronic module
Effects:
}
Module bus communication between the other modules is not interrupted.
}
To detect the new module the following steps can be necessary:
– Creating a new configuration or changing an existing configuration
– Download of the configuration to the head module
– Restart of the head module. After a restart, the system behaves as after a warm reset
using a reset pushbutton (see operating manual of the head module, chapter “Reset
pusbutton", section "Carrying out a warm reset (restart)").
}
On electronic modules with outputs, the terminal block may only be inserted and removed
when the load is switched off. Unforeseeable error reactions may be triggered if modules
are inserted and removed under load.
