BEKA BA314NG, Manual

Page: 35 / 41

9.3.11 Alarm silence time:
5IL
The alarm silence function is primarily intended for
use in small installations where the alarm output
directly operates an annunciator such as a sounder.
When the alarm silence time is set to any figure other
than zero, the
(
push button becomes an alarm
accept button.
After an alarm has occurred, operating the
(
button
will cause the alarm output to revert to the non-alarm
condition for the configured alarm silence time. When
an alarm is silenced the alarm annunciator will flash
until the silence time expires.
To adjust the alarm silence time select
5iL
using the
&
or
*
push button in the selected alarm sub-menu
and press
(
which will reveal the existing alarm
silence time in seconds with one digit flashing. The
required delay time can be entered using the
&
or
*
push button to adjust the flashing digit and
the
(
button to transfer control to the next digit.
When set as required press
)
to enter the value and
return to the
5iL
prompt in the alarm sub-menu.
9.3.12 Flash display when alarm occurs:
FL5H
In addition to the two alarm annunciators at the
bottom left hand side of the Tachometer display which
show the status of both alarms, this function provides
an even more conspicuous indication that an alarm
condition has occurred.
When enabled, this function alternates the speed or
run-time display between the numerical value and the
alarm identification AL1 or AL2 when an alarm occurs.
Using the
&
or
*
push button select
FL5H
from the
selected alarm sub-menu and press
(
to check or
change the function. The
&
or
*
push button will
toggle the function between
oFF
and
on
, when set as
required, press the
)
button to return to the
FL5H
prompt in the alarm sub-menu.
9.3.13 Access Setpoint:
AC5P
This function activates a separate menu that provides
direct access to the alarm setpoints when the
Tachometer is in the display mode by simultaneously
operating the
(
and
*
buttons. An operator can
therefore adjust the alarm setpoints without having
access to the configuration and alarm sub-menus.
Protection against unauthorised or accidental
adjustment is provided by a separate security access
code.
Using the
&
or
*
push button select
AC5P
from the
configuration menu and press
(
to reach the
enable function
EnbL
. Pressing
(
will reveal the
existing setting which can be toggled between
on
and
oFF
by pressing the
&
or
*
push button.
When set as required, press the
)
button to return
to the
EnbL
prompt from which a separate security
access code can be entered using the
ACCd
function
which can be selected using the
& or *
push
button.
To enter a new security code select
ACCd
from the
sub-menu and press
(
which will cause the
Tachometer to display
0000
with one digit flashing.
The flashing digit may be adjusted using the
&
and
*
push button, when set as required
operating the
(
button will transfer control to the
next digit. When all the digits have been adjusted
press
)
to return to the
ACCd
prompt. The revised
security code will be activated when the Tachometer
is returned to the display mode. Default security
access code 0000 will disable the security code
allowing direct access to the setpoints in the display
mode by pressing the
(
and
*
buttons
simultaneously.
Please contact BEKA associates sales department if
the security code is lost.
9.3.14 Adjusting alarm setpoints from the
display mode
Access to the two alarm setpoints from the
Tachometer display mode is obtained by operating
the
(
and
*
push buttons simultaneously as
shown in Fig 16. If the setpoints are not protected
by a security code the alarm setpoint prompt
5P1.5peed
or
5P1.Hour5
will be displayed depending
upon whether a speed or run-time alarm has been
configured. If the setpoints are protected by a
security code,
CodE
will be displayed first. Pressing
(
again will allow the alarm setpoint security
access code to be entered digit by digit using the
&
or
*
buttons to adjust the flashing digit and the
(
push button to move control to the next digit. If
the correct code is entered pressing
)
will then
cause alarm setpoint prompt
5P1.5peed
or
5P1.Hour5
to be displayed. If an incorrect security code is
entered, or a button is not pressed within ten
seconds, the instrument will automatically return to
the display mode. Once within the menu pressing
the
&
or
*
buttons will toggle the display between
the two alarm setpoint prompts
5P1
x and
5P2
x.
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