BEKA BA564G, Руководство пользователя

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2.1 Initialisation
Each time power is applied to a BA564G Counter
initialisation is performed. After a short delay the
following display sequence occurs:
All segments of the display are activated.
Counter starts functioning, using the
configuration information stored in the
instrument’s permanent memory. Unless total
and grand total displays have been reset, new
pulses will be added to the existing totals.
2.2 Controls
The BA564G Counter is controlled and configured via
four front panel push buttons. In the display mode
i.e. when the instrument is counting 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
)
and
*
buttons simultaneously 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 5.25
&
+
*
If Local Total Reset
CLr tot
in the
instrument configuration menu has been
activated, operating the
&
and
*
buttons simultaneously for three seconds
will reset the total display to zero and
clear any pulses stored in the optional
pulse output.
See 5.24
(
+
&
Shows in succession firmware version
number, instrument function
2ch cntr
and any output accessories that are
fitted:
-A Dual alarm outputs
-P Pulse output (always fitted)
-C 4/20mA output
(
+
)
Access to configuration menu
Note: When optional alarms are fitted, the
BA564G Counter may be configured to provide
direct access to the alarm setpoints from the
display mode when the
(
and
*
buttons are
operated simultaneously.
See 9.4.12 and 9.4.13
2.3 Displays
The BA564G Counter has two digital displays and
associated annunciators, plus a pulse input
indicator as shown on the front cover of this
manual.
Total Shows the total pulse count on the
display upper eight digit display. May be
reset via front panel push buttons
or by a remote reset switch.
Rate Shows the pulse rate on the lower
Display six digit display. Total and rate
displays may be reversed.
Pulse input This disc in the lower left hand
indicator corner of the display 'rotates' for
two seconds each time an input
pulse is received on either input.
Appears to rotate continuously
when input frequency on either
input
exceeds 0.5Hz.
Reset Activated while the total display
annunciator is 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.
5