DSE DSE331, Руководство оператора

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Operation
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6.2 MANUAL OPERATION
NOTE:- If a digital input configured to panel lock is active, changing module modes will not be
possible. Viewing the instruments and event logs is NOT affected by panel lock.
Manual mode allows the operator to change the state of the load switching devices.
6.2.1 STARTING SEQUENCE
NOTE:- There is no start delay in this mode of operation.
The start request is sent to the generator via a digital output configured to Start and Run S2.
If S2 fails to become available before the S2 failure timer expires. This is indicated on the LCD display, but the
starting signal remains active.
6.2.2 S1 OFF LOAD
The generator will continue run OFF LOAD in this mode unless :
•
S1 supply fails
•
An input is given for Auxiliary S1 fail
•
An input is given for Transfer to S2
•
The fascia mounted transfer buttons are pressed (when configured)
6.2.3 S2 ON LOAD
Once on load, the generator will remain on load unless:
•
An input is given for Transfer to S1
•
The fascia mounted transfer buttons are pressed (when configured)
•
The module mode is changed to AUTO mode. The system may then transfer back to mains supply
automatically if conditions are suitable.
6.2.4 TRANSFER BUTTONS OPERATION
Two fascia mounted buttons are provided for load switching operation when in manual mode. These buttons are
enabled/disabled in the modules PC configuration Suite so refer to your configuration file to ensure the
configuration has enabled the buttons.
Pressing this button when S1 is on load will open S1 load switch.
Pressing this button when S2 is on load and S1 is healhty, will open S2 load switch, wait for the duration
of the transfer delay, then close the S1 load switch.
Pressing this button when S2 is on load will open S2 load switch.
Pressing this button when S1 is on load and S2 is available, will open S1 load switch, wait for the
duration of the transfer delay, then close S2 load switch.
6.2.5 STOPPING SEQUENCE
The set will not be stopped in this mode of operation.
To begin the stopping sequence, the module should be placed in the AUTO or START INHIBIT mode.