39
13. REF542plus commissioning mode
The commissioning test mode allows accessing all the digital and analogue
inputs and outputs of REF542plus. This mode is independent of the
REF542plus application. This working mode has been designed to make
easier the wiring verification.
The super user key is required to enter this mode.
Entering this mode STOPS the execution of the protection and
control functions. The application software is not running.
However, it is not deleted from the permanent memory of the
unit. The commissioning test mode should be entered when the
switchgear is de-energized and in a safe state.
To switch on this mode the following actions have to be performed in
sequence.
*
Switch off the REF542plus Base Unit.
*
Place the super user key on the e-key sensor and keep it contacted.
*
Switch on the Base Unit.
When the Base Unit starts the e-key is detected. The commissioning mode is
entered. Verify this reading on the start-up status line “COMMISSIONING
MODE”. When this text is visible, the e-key can be unplugged from the e-key
sensor.
This mode allows driving directly the binary outputs of the Base
Unit. If they are connected to primary objects, operations are
thus possible. The interlocking functions are disabled. Before
accessing this mode, put the switchgear in safe conditions.
When entering the commissioning mode, the following screen is displayed.
1MRS755869
Multifunction Protection and Switchgear Control
Unit
Operator's manual
REF542plus
To Next Page
Loading...
Need help?
General
