BEKA BA364E, Руководство пользователя

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2.1 Initialisation
Each time power is applied to a BA364G 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 BA364G 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 6.25
&
+
*
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 6.24
(
+
&
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 BA364G
Counter may be configured to provide direct access
to the alarm setpoints from the display mode when
the
(
and
*
buttons are operated simultaneously.
See 10.3.13 and 10.3.14
2.3 Displays
The BA364G 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
combined input frequency on both
inputs 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 c ontinuously
activated.
5