BEKA BA337E, Manual

Page: 6 / 61

2.2 Controls
The BA337E and BA338E are controlled and
configured via four front panel push buttons.
In the
totalisation mode i.e. when the instrument is
displaying rate and total flow the push button
functions are:
Push Button Functions
)
+
&
Grand total - shows
Lo
followed by least
significant 8 digits of the 16 digit grand
total.
)
+
*
Grand total - shows
Hi
followed by the
most significant 8 digits of the 16 digit
grand total.
If Local Grand Total Reset
CLr Gtot
in
the instrument configuration menu has
been activated, operating the
)
+
*
buttons for ten seconds will result in
Clr. no
being displayed with the
no
flashing. Operating the
&
or
*
button
will change the display to
CLr
–
.
–
YE5
, the
)
button will then reset the grand total
to zero which will be confirmed by a brief
display of
Gt Clrd
. See 6.20
&
+
*
If Local Total Reset
CLr tot
in the
instrument configuration menu has been
activated, operating the
&
+
*
buttons
for three seconds will reset the total
display to zero and clear any pulses
stored in the optional pulse output.
The Grand Total is not reset.
See 6.19
(
+
&
Shows in succession, firmware version
number, instrument function
totali5e
and any output accessories that are
fitted:
- A
Dual alarm outputs
- P
Pulse output
- C
4/20mA output
(
+
*
Provides direct access to the alarm
setpoints when the Rate Totaliser is fitted
with optional alarms and the
AC5P
setpoints function has been enabled.
See 10.4.13 and 10.4.14
(
+
)
Access to configuration menu
2.3 Displays
The BA337E and BA338E have two digital displays
and associated annunciators, plus a flow indicator
as shown on page 1.
Total
Shows the total flow on the
display
upper eight digit display. May
be reset to zero via front panel
push buttons or by a remote
reset switch.
Rate
Shows the flow rate on the
Display
lower six digit display.
Flow
This disc in the lower left
indicator
hand corner of the display
'rotates' for two seconds each
time an input pulse is received.
Appears to rotate continuously
when input frequency exceeds
0.5Hz.
Hold
Activated when input
annunciator
frequency is below the clip-off
threshold.
Reset
Activated while instrument is
annunciator
being reset via the front panel
push buttons, or the external
reset terminals.
Rate
Identifies rate display
annunciator
Total
Identifies total display
annunciator
RTx
Retransmitted pulse
annunciator
annunciator.
Depends upon the setting of
5ource
in the pulse output
configuration menu.
5caled:
Annunciator activated each
time
pulse output open
collector is
on
, i.e. Ron is
less than 60 Ω + 3V.
direct:
Annunciator continuously
activated.
2.3.1 Display over-range
Over-range of the upper eight digit display or the
lower six digit display is indicated by all the digits
displaying
9
and all the decimal points flashing.
6