Brainboxes PX-246 Especificações descarregar pdf (Página 57)

Operation

6.5 MANUAL MODE

NOTE:

NOTE:NOTE:

NOTE:

IfIf

a digital input configured to

a digital input configured to a digital input configured to

a digital input configured to

panel lock

panel lockpanel lock

panel lock

is active,

is active, is active,

is active, changing module modes will

changing module modes will changing module modes will

changing module modes will

not be possible. Viewing the instruments and event logs is NOT affected by panel lock.

not be possible. Viewing the instruments and event logs is NOT affected by panel lock. not be possible. Viewing the instruments and event logs is NOT affected by panel lock.

not be possible. Viewing the instruments and event logs is NOT affected by panel lock.

Manual mode is activated by pressing the button.

In MANUAL

‘ ’

mode, the module actives an output to give a start signal to an external generator

controller (if S2 is configured as a generator supply), and if required, change the state of the load

switching devices. An LED indicator beside the button confirms this action.

6.5.1 STARTING SEQUENCE

NOTE:

NOTE:NOTE:

NOTE:

There is no

There is no There is no

There is no

start delay

start delaystart delay

start delay

in this mode of operation.

in this mode of operation.in this mode of operation.

in this mode of operation.

As soon as the MANUAL

‘ ’

mode button is pressed, the output to give a start signal to an external

generator controller is activated (if S2 is configured as a generator)

If the generator fails to start during the ‘S2 Fail Delay’ timer, an alarm will appear on the display which

shows Fail to Start. S2 is seen as available once the supply is within limits (if configured as a mains

supply) or had achieved loading voltage and frequency (if configured as a generator).

6.5.2 S2 AVAILABLE

In MANUAL

‘ ’

mode, the load is not transferred to S2 unless a ‘loading request’ is made and the S2

supply is within limits (if configured as a mains supply) or achieve loading voltage and frequency (if

configured as a generator).

A loading request can come from a number of sources.

• Pressing the CLOSE/OPEN S2

‘ ’

button

• S1 supply out of limits

• Activation of an auxiliary input that has been configured to remote start on load

• Activation of the inbuilt exercise scheduler if configured for ‘on load’ runs.

NOTE:

NOTE: NOTE:

NOTE: The load transfer signal remains inactive until

The load transfer signal remains inactive until The load transfer signal remains inactive until

The load transfer signal remains inactive until S2 is seen as available

S2 is seen as availableS2 is seen as available

S2 is seen as available. This

. This . This

. This

prevents

prevents prevents

prevents loading to a supply that has failed or is not

loading to a supply that has failed or is not loading to a supply that has failed or is not

loading to a supply that has failed or is not yet available

yet availableyet available

yet available.

As the load increases and decreases, the module may (depending upon configuration) remove non-

essential loads. This is configured as part of the Load Shedding control settings in the DSE

Configuration Suite Software.

See section entitled Load Shedding elsewhere in this document for further details.

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