BEKA BA388E is a two-input, intrinsically safe panel-mounting Rate Totalizer designed to work with various pulse output flowmeters. It displays the rate and total output of each flowmeter, and depending on its configuration, it can calculate the sum or difference between the inputs. The BA388E features an IP66 front panel for protection against dust and water ingress, making it suitable for use in harsh industrial environments.
BEKA BA388E is a two-input, intrinsically safe panel-mounting Rate Totalizer designed to work with various pulse output flowmeters. It displays the rate and total output of each flowmeter, and depending on its configuration, it can calculate the sum or difference between the inputs. The BA388E features an IP66 front panel for protection against dust and water ingress, making it suitable for use in harsh industrial environments.
1. DESCRIPTION
The BA388E is a two input, intrinsically safe panel mounting Rate
Totaliser which can operate with a wide variety of pulse output
owmeters. The instrument can display the rate and total output of
each owmeter and, depending upon how it has been congured,
the sum or dierence between the rate and total outputs.
This abbreviated instruction sheet is intended to assist with
installation, a comprehensive instruction manual describing safety
certication, system design and conguration may be downloaded
from the BEKA website or may be requested from the BEKA sales
oce.
The BA388E Rate Totaliser has IECEx, ATEX and UKEX intrinsic
safety certication for use in ammable gas atmospheres. ETL
and cETL approval permits installation in the USA and Canada.
The certication information label, which is located on the top
of the instrument enclosure, shows the certication number and
codes. Other certications may be shown. Copies of certicates
may be down loaded from the BEKA website.
Typical certication information label
Special conditions for safe use
The IECEx, ATEX and UKEX certicates have an ‘X’ sux
indicating that special conditions apply for safe use.
WARNING
To avoid an electrostatic charge being generated instrument
enclosure should only be cleaned with a damp cloth.
2. INSTALLATION
The BA388E Rate Totaliser has IP66 front of panel protection
but it should be shielded from direct sunlight and severe weather
conditions. The rear of the instrument has IP20 protection.
Cut-out dimensions
Recommended for all installations. Mandatory to achieve IP66
seal between instrument and panel.
136 +0.5/-0.0 x 66.2 +0.5/-0.0
657.5
72
144
DISPLAY
A1 A2 A3 A4
+
Alarm 1 Alarm 2
Terminals for
optional dual alarms
+
C1 C2 C3 C4
+
Terminals for
optional 4/20mA
output
+
P1 P2
Pulse
output
ResetPower
supply
10 to 28V dc
RS1 RS2
3 4
+
5 6
1 2
+
7 8
+
9 10
Add link
to energise
pulse
input A
Pulse
input
A
Add link
to energise
pulse
input b
Pulse
input b
Support panel wiring to prevent vibration damage
Fig 1 Cut-out dimensions and terminals
4. Insert panel clamp into recess
and gently pull it onto the dovetail.
Engage screw & turn clockwise
to tighten the clamp, fit the other
clamps. Recommended tightening
torque 22cNm (1.95lbf.in) Equivalent
to finger tight plus one half turn.
DO NOT OVERTIGHTEN
2. Position
gasket
behind
instrument
bezel
3. Insert
instrument
into the panel
from the front
1. Align foot and body of panel
mounting clamp by turning
screw anticlockwise
Fig 2 Installation procedure
EMC
For specied immunity all wiring should be in screened twisted
pairs with screens earthed at one point within the safe area.
Safe area
Power
supply
Single channel
positive polarity
28V: 93mA
Zener barrier
Single channel
positive polarity
28V: 93mA
Zener barrier
Remote reset
in hazardous
area
Input b
Flowmeter
b
Input A
Remote reset
in safe area
6 5
+
4 3 10 9 8 7
RS2
RS1
2 1
+
+
DISPLAY
Hazardous area
Flowmeter
A
+
Flowmeter output Input A Input b
Proximity detector
Switch contact
Open collector
Link
3 & 4
Link
7 & 8
Voltage pulse
Magnetic pick-off
Don’t link
3 & 4
Don’t link
7 & 8
Fig 3 Use with Zener barriers
Scale card
The Rate Totalisers units of measurement are shown on a printed
scale card visible through a window at the right hand side of
the display. The scale card is mounted on a exible strip that is
inserted into a slot at the rear of the instrument as shown below
I
n
s
e
r
t
Unlock
Lock
Fig 4 Inserting exible strip carrying scale
card into slot at the rear of Rate Totaliser.
Thus the scale card can easily be changed without removing the
Rate Totaliser from the panel or opening the instrument enclosure.
New Rate Totalisers are supplied with a printed scale card showing
the requested units of measurement, if this information is not
supplied when the Rate Totaliser is ordered a blank card will be
tted.
A pack of self-adhesive scale cards printed with common units of
measurement is available as an accessory from BEKA associates.
Custom printed scale cards can also be supplied.
To change a scale card, unclip the protruding end of the exible
strip by gently pushing it upwards and pulling it out of the enclosure.
Peel the existing scale card from the exible strip and replace it with
a new printed card, which should be aligned as shown below. Do
not t a new scale card on top of an existing card.
Align the self-adhesive printed scale
card onto the exible strip and insert
the strip into the Rate Totaliser as
shown.
Fig 5 Fitting scale card to exible strip
3. OPERATION
The Rate Totaliser is controlled by four front panel push buttons.
When in the operating mode they have the following functions:
( + ) Access to conguration menu.
& or * If the Local Total Reset function CLr tot in the
instrument conguration menu is enabled, operating
the & and * buttons simultaneously for more than
3 seconds allows total A, total b or both totals and any
stored pulses in the pulse output to be reset to zero by
operating the ) push button.
) + & Grand total - shows Lo followed by the least signicant
8 digits.
) + * Grand total - shows Hi followed by the most signicant
8 digits. If buttons are pressed for longer than 10
seconds the grand total will be reset to zero if the
grand total reset function clr gtot is enabled.
To reset the grand total to zero from the operating
mode press the ) + * buttons for ten seconds until
CLr.
no is displayed. Using the & or * button change
the display to Clr
.
YE5 and press ) which will reset
the grand total and restore the original display.
& + * If the Local Total Reset function CLr tot in the
instrument conguration menu is enabled, operating
the & and * buttons simultaneously for more than
3 seconds allows total A, total b or both totals and any
stored pulses in the pulse output to be reset to zero by
operating the ) push button.
( + & Shows each for 2 seconds:
Firmware number
Function of instrument:
2chtotal
Options tted:
- A Dual Alarm Outputs
- P Pulse output
- C 4/20mA output.
( + * Provides direct access to the alarm setpoints when
the Rate Totaliser is tted with optional alarms and the
AC5P (access setpoints) has been enabled.
Align on
these
edges
Scale
card
Abbreviated instructions for
BA388E Two input
Intrinsically safe Rate Totaliser
Issue 4
24th November 2022
BEKA associates Ltd. Old Charlton Rd, Hitchin, Hertfordshire,
SG5 2DA, UK Tel: +44(0)1462 438301 e-mail: [email protected]
web: www.beka.co.uk
BA388E
4. CONFIGURATION
Rate Totalisers are supplied configured as requested at time of ordering, if not specified default configuration will be supplied but can easily be changed on-site.
Fig 6 shows the location of each function within the configuration menu with a brief summary of the function. Please refer to the full instruction manual for detailed configuration information and for description of
lineariser and optional outputs.
Access to the configuration menu is obtained by pressing the ( and ) buttons simultaneously. If the Rate Totaliser's security code is set to default 0000 the first parameter function will be displayed. If the
instrument is protected by a security code, code will be displayed. The four digit code must be entered to gain access to the menu.
Fig 6 Configuration menu
Manuals, certificates and data-
sheets can be downloaded from
http://www.beka.co.uk/ba388e
Unless otherwise specified menu functions are shown on the upper display
* Followed by identical function for input b
Display
mode
Security Code
Enter code by
pressing
* or & & (
to move to next
digit. Code 0000
allows direct
access to
the menu
Function
* or &
to select
Function of
instrument
5td
linear
lin
16 segment
lineariser
*
&&
*
(
(
)
)
(
(
))
function
code
0000
5td
*
(
)
)
) ) ) ) )
( )
input-a
op.col
Debounce
input-A
* or &
to select
level of
debounce.
default
light
heavy
&
)
debounce
( )
default
( )
Upper Display
* or &
to select
display
whether
rate
or
total
is shown
on upper
display
When fitted with optional
4/20mA output functions appear here
When fitted with optional
alarms functions appear here
Lower Display
* or &
to select
label
permanently
identifies
upper display.
off
display off
5td
alternates
between
dislplay and
identification
&
*
( )
total
&
*
( )
Decimal point
* or &
to select
position of
decimal
point and
( to toggle
between rate
and total
displays.
( )
0000
.
0
*
&
Count
* or &
to select
arithmetic
relationship
between input
A and input b
may be set to
a
:
b
Input A + Input b
a
:
-b
Input A - Input b
( )
count
a
:
b
update
inp.type
Input-A
* or &
to select
Input type
op.col
Open
Collector.
volt5 l
Pulse
<1V >3V
volt5 h
Pulse
<3V >10V
coil
Magnetic
pick-off.
pr.det
Proximity
detector.
contact
Switch
contact.
Udate
* or &
to select
interval
between
display
updates,
may be set to
0.5, 1, 2, 3, 4
or 5 seconds.
&
*
Clear grand
total
Press
& or *
to select ye5
to reset grand
total to zero
Confirm
instruction by
entering 5ure.
Press
& or *
to adjust each
digit and (
to move to
next digit
&
*
(
)
)
(
clr gtot
0000
Define
Security Code
Enter by
pressing
& or *
and ( to
move to
next digit.
&
*
(
)
)
Reset
configuration
to factory
defaults
Confirm
instruction by
entering 5ure.
Press
&
or
*
to adjust each
digit and (
to move to
next digit
)
r5et def
)
0000
code
&
*
Local total
reset
* or &
to turn the
local total
reset function
on or off.
When on is
selected, Total A,
Total b or both
totals may be
reset when
* and &
are pressed
simultaneously
for more than 3
seconds in the
display mode.
(
)
)
( )
Loc clr
off
*
Local grand
total reset
* or &
to turn the
local grand
total reset
function
on or off.
When on,
grand total
display may
be reset when
) and *
are pressed
simultaneously
for more than 10
seconds in the
display mode.
&
)
( )
&
*
*
DISPLAY
0
.
5
di5p-1 di5p-2
5td
dP
)
K-factor
input-A
* or &
to adjust value
and ( to
move to
next digit or
decimal point.
Note:
When lin is
selected 16
values for
factor-a may
be entered
each starting
at a specified
rate display
( )
001
.
00
*
*
factor-a
)
Total scale
factor input-A
Divides
factor-a
output to
produce required
total display.
Press
* or &
to adjust value
and ( to
move to
next digit or
decimal point.
( )
001
.
00
*
*
5cale
.
t-a
)
Rate scale
factor input-A
Divides
factor-a
output to
produce
required
rate display.
Press
* or &
to adjust value
and ( to
move to
next digit or
decimal point.
( )
001
.
00
*
5cale
.
r-a
)
External reset
* or &
to select
clr a nb
clr a
clr b
Reset action
when external
reset contacts
are closed.
( )
& & &
)
Filter input-A
* or &
to adjust value
of each digit
and ( to
transfer
control to
the next digit.
First digit:
filter magnitude
Second digit:
step response
Note:
While making
adjustments
the filtered
rate display is
shown on
lower display
so stability can
be assessed
( )
*
*
filter-a &
)
Timebase
* or &
to select
rate display
timebase.
tb-01
for flow/sec
tb-60
for flow/min
tb-3600
for flow/hour
( )
tb-01
*
&
*
&t-ba5e
24
)
Clip-off
input-A
Rate display
below which
totalisation
is inhibited
Press
* or &
to adjust value
and ( to
move to
next digit.
( )
*
*
clp. off-a &
0000
.
0clr tot clr gtot
off
*
e clr
r5et-both
)
(
)
( )
off
enbl
Pulse Enable
* or &
to toggle
between
on and off
&
*
&
*
&&
*
( )
Source of
output pulse
* or &
to select pulse
source
5caled
Instrument
generates one
pulse each time
the least
significant digit
of Total display
is incremented.
The frequency
of the pulse
may be divided
or the duration
changed
OR
direct-a
direct-b
Retransmission
of input-A or
input-b without
scaling
These functions only appear in
sub-menu when pulse source
is conditioned as 5caled.
5caled is not
available when
a
:
-b is selected
in the Count
function.
&
*
)
( )
Divides scaled
output pulse
* or &
to select
frequency
dividing factor
for scaled
output pulse.
1
10
100
1000
10000
&
*
)
( )
Duration of
each pulse
* or &
to select
duration of
scaled output
pulse in ms.
0.1
0.5
1
2.5
5
10
25
50
100
250
500
*
)
pul5e op
5ource
5caled
divide
1000
duration
25
no
(
0000
)
The BA388E is CE marked to show compliance with the European Explosive Atmospheres Directive 2014/34/EU and the
European EMC Directive 2014/30/EU.
It is also UKCA marked to show compliance with UK statutory requirements Equipment and Protective Systems Intended
for Use in Potentially Explosive Atmospheres Regulations
UKSI 2016:1107 (as amended) and with the Electromagnetic Compatibility Regulations
UKSI 2016:1091 (as amended).
Fig 6 Conguration menu
-
1
-
2
BEKA BA388E is a two-input, intrinsically safe panel-mounting Rate Totalizer designed to work with various pulse output flowmeters. It displays the rate and total output of each flowmeter, and depending on its configuration, it can calculate the sum or difference between the inputs. The BA388E features an IP66 front panel for protection against dust and water ingress, making it suitable for use in harsh industrial environments.
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