
44
The Rate Totaliser's alarm annunciator will start
flashing immediately an alarm condition occurs and
will continue for the delay time, after which the alarm
output will be activated and the alarm annunciator
will be permanently activated.
10.3.11 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 programmed alarm
silence time. When an alarm is silenced by
operating the
(
push button, the Rate Totaliser's
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 silence 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.
10.3.12 Flash display when alarm occurs:
FL5H
In addition to the two alarm annunciators on the left
hand side of the Rate Totaliser 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 rate or
total 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.
10.3.13 Access Setpoint:
AC5P
This function activates a separate menu that
provides direct access to the alarm setpoints from
the totalisation 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
AC5P
sub-menu and press
(
which will cause the
Rate Totaliser to display
0000
with one digit
flashing. The flashing digit may be adjusted using
the
&
or
*
push button, when set as required
operating the
(
button will transfer control to the
next digit. When all the digits have been adjusted
press
)
twice to return to the
AC5p
prompt in the
configuration menu. The revised security code will
be activated when the Rate Totaliser is returned to
the totalisation mode. Default security access
code
0000
will disable the security code allowing
direct access to the setpoints from the totalisation
mode by pressing the
(
and
*
buttons
simultaneously.
Please contact BEKA associates sales department
if the security code is lost.
10.3.14 Adjusting alarm setpoints from the
totalisation mode
Access to the two alarm setpoints from the Rate
Totaliser totalisation mode is obtained by operating
the
(
and
*
push buttons simultaneously as
shown in Fig 18. If the setpoints are not protected
by a security code the alarm setpoint prompt
5P1r
or
5P1t
will be displayed depending upon whether
a rate or total alarm has been conditioned. If
access to the setpoints is protected by a security
code,
CodE
will be displayed first. Pressing
(
again will allow the alarm setpoint security code to
be entered digit by digit using the
&
or
*
button
to change the flashing digit and the
(
push button
to move control to the next digit. If the correct
code is entered pressing
)
will result in the alarm
setpoint prompt
5P1
x being displayed. If an
incorrect security code is entered, or a button is
not pressed within ten seconds, the instrument will
automatically return to the totalisation mode.
Once within the menu pressing the
&
or
*
button will toggle the display between the two
alarm setpoint prompts
5P1
x and
5P2
x.
Содержание BA334E
Страница 1: ...Issue 1 7th February 2017 BA334G BA334E Intrinsically Safe Externally powered Rate Totaliser Issue 1 ...
Страница 22: ...22 ...
Страница 23: ...23 ...
Страница 32: ...32 ...
Страница 43: ...43 ...
Страница 51: ...51 ...
Страница 52: ...52 ...
Страница 53: ...53 ...
Страница 54: ...54 ...
Страница 55: ...55 ...
Страница 56: ...56 ...
Страница 57: ...57 ...
Страница 58: ...58 ...
Страница 59: ...59 ...
Страница 60: ...60 ...
Страница 61: ...61 ...
Страница 62: ...62 ...