N1500FT Flow Indicator
NOVUS AUTOMATION
6/9
For screens that show totalizations, whether it is the total or the
non-resettable value, when the reading cannot be shown in six
digits it will be shown in two halves; that is, the lower six digits and
the higher five digits (preceded by a
k.
to indicate it is the high half)
will be displayed in turns every five seconds.
In case no alarm is configured as “feeder”, a “
------
“ will be
displayed.
Table 6
shows the options for digital input and the
key.
Off
No function.
Rst.tot
Totalization reset.
k
old.1n
Freezes display while the input is active or the
key is pressed.
Rst.MM
Resets minimum and maximum values.
feeder
Start of
Feeder
function. Further details in the
” section.
IGnore
Suspends totalization, ignoring input signal,
but keeps retransmission working.
Table 6
- Options for digital input and the
key
INPUT SETUP CYCLE
1N.TYPE
In
put
Type
Selection of flow input type. See
Table 8
.
1N.4-20
In
put
4
to
20
mA
Selection of 4-20 mA input as auxiliary input.
Available only if flow input is different than 4-20
mA.
1n
LL
In
put
L
ow
L
imit
Value for the beginning of the auxiliary input
range. Available only if the 4-20 mA input is
enabled.
1n
xL
In
put
H
igh
L
imit
Value for the end of the auxiliary input range.
Available only if the 4-20 mA input is enabled.
(Ut0ff
Cut Off
Minimum flow rate for indication. Any flow rate
below this value is shown as 0 and will not
increment the totalizer.
FLTR.1n
F
i
lt
e
r
In
put
4-20 mA input filter. Available only if the 4-20
mA input is enabled.
Un1t
1
Unit
I
nstantaneous
Unit for indicating instantaneous flow rate. It
also establishes the time base for this
measurement in Seconds, Minutes, Hour or
Days (free alphanumeric description):
-----
s
/
m
/
h
/
D
(Seconds / Minutes / Hour
/ Days)
Un1t
t
Unit
t
otalizer
Unit for totalized flow rate indication: “
------
”
(free alphanumeric description).
k.1nst
K
Inst
antaneous
K factor to be applied on the flow rate reading
through the digital input.
Available only if flow input is different than 4-
20 mA.
Instantaneous K factor has its value set as
“pulses per volume”.
k.tot
K
tot
alizer
K factor to be applied on total volume.
When using pulse input, total K factor has its
value set as “pulses per volume”.
S.root
S
quare
root
Square root. Available only if the 4-20 mA
input is enabled. The “
YES
” option applies
quadratic function on the input signal within
the limits programmed in “
inLL
” and “
inkL
”.
Table 7
– Input setup cycle keys
SELECTION OF FLOW INPUT TYPE
SENSOR
DESCRIPTION
4
to
20
4-20 mA analog signal
d.1.nPn
NPN or tension type digital input
D1.PnP
NPN digital input
Sw1tch
Dry Contact (reed switch) digital input
pickvp
Coil signal input (from 30 mVpp)
Table 8
– Input sensor type
Note
: For information about reading speed, check Specifications.
OUTPUT SETUP CYCLE
rtll
R
e
t
ransmition
L
ow
L
imit
Retransmission lower limit. It is the flow rate
value that corresponds to the 4-20 mA output
lower limit. When
rtkl
is equal to
rtll
,
output is turned off.
rtxl
R
e
t
ransmition
H
igh
L
imit
Retransmission higher limit. It is the flow rate
value that corresponds to the 4-20 mA output
higher limit.
When
rtll
is equal to
rtkl
, output is
turned off.
0UT.err
Out
put
Err
or
Value to be applied to 4-20 mA output in case
of input failure.
PULSe
Pulse
Configuration of pulse output. Options are off,
volumetric pulse and frequency.
w.pulse
V
olume
Pulse
Volume to be accumulated to generate an
output pulse. Available only when pulse output
is set to volumetric pulse.
Pulse.t
Pulse T
ime
Time period during which pulse remains active
after having reached intended volume.
Available only when pulse output is set to
volumetric pulse.
freqdw
Freq
uence
D
i
v
ider
Input frequency divider. Available only when
pulse input is set to frequency.
Table 9
– Output setup cycle keys
When pulse output is set as volumetric pulse, a pulse is generated
every time the totalizer accumulates the value programmed on the
w.pulse
screen. For example, if
u.pulse
is programmed to 10,
then a pulse will be generated for every 10 units of computed
volume.
When pulse output is set to frequency, the output signal will be an
input signal divider.
RELAY CONFIGURATION CYCLE
Rl 1
Relay 1
Relay 1 function selection:
off
,
Al 1
,
al
2
,
al 3
e
al 4
.
Rl 2
Relay 2
Relay 2 function selection:
off
,
Al 1
,
al
2
,
al 3
e
al 4
.
Rl 3
Relay 3
Relay 3 function selection:
off
,
Al 1
,
al
2
,
al 3
e
al 4
.
Rl 4
Relay 4
Relay 4 function selection:
off
,
Al 1
,
al
2
,
al 3
e
al 4
.
Table 10
– Relay configuration cycle screens
If there is need for activating more than one output relay by the same
alarm, just assign the desired relays to the desired alarm. Default
configuration assigns one relay to its related (same index) alarm
(relay 1 for alarm 1, relay 2 for alarm 2, and so on).