Kurz
B
‐
Series
Operations
Guide
4–60
Program Mode
Advanced Setup
Option 23 — Drift Check
The
zero
‐
mid
‐
span
drift
check
is
an
automatic
calibration
mode
where
both
4
‐
20
mA
Analog
Output
channels
report
standard
zero,
mid,
and
high
values
for
checking
the
calibration
of
the
device
and
its
data
recording
signal
chain.
See
on
for
additional
information.
This
configuration
is
for
the
internal
timer
to
initiate
the
Drift
Check
at
a
specified
interval.
It
has
no
effect
on
triggering
the
Drift
Check
function
from
Modbus
or
the
digital
input.
Note
The
zero
‐
mid
‐
span
drift
check
and
sensor
purge
features
can
be
configured
to
automatically
trigger
on
a
user
‐
configured
interval.
If
both
features
are
ON
and
scheduled
to
run
at
the
same
time,
the
features
will
run
consecutively,
not
concurrently.
To
access
the
Drift
Check
Setup
menu:
1>
Press
P
.
2>
Enter
the
Advanced
access
code,
and
then
press
E
.
3>
Press
2
to
invoke
the
Quick
Jump
option.
4>
Press
23
for
the
Drift
Check
Setup
menu,
and
then
press
E
.
AUTO DRIFT CHECK
>OFF ^v
A
prompt
appears
for
setting
automatic
drift
ON
or
OFF.
5>
Press
the
arrow
keys
to
select
ON
,
and
then
press
E
.
DRIFT CHK INTRVL
>16 HOUR
When
AUTO
DRIFT
CHECK
is
ON,
the
prompt
appears
for
the
Drift
Check
Interval.
This
parameter
defines
the
periodic
interval
(in
hours)
that
the
drift
check
sequence
will
be
initiated
by
the
internal
timer.
The
interval
can
be
between
1
to
18000
hours.
The
factory
default
is
16
hours.
6>
Use
the
numeric
keys
to
enter
a
time
value,
and
then
press
E
.
Press
P
to
skip
to
the
prompt
without
making
changes.
A
series
of
prompts
appear
for
each
drift
check
test
level
(zero
‐
mid
‐
span)
regarding
the
amplitude
of
the
output
signal
and
its
duration.
The
amplitude
is
given
as
a
percent
of
the
FS
of
the
independent
voltage
source
(3.3V).
In
the
following
example,
10.0%
means
that
0.33V
(10%
of
3.3V)
will
be
applied
to
the
circuit
inputs
that
are
measured
and
reported
at
the
4
‐
20 mA
output
for
the
drift
check
at
zero.
Summary of Contents for 410FTB
Page 1: ...Operations Guide for B Series Flow Meters 368042E...
Page 4: ...Kurz B Series Operations Guide iv...
Page 9: ...Kurz B Series Operations Guide ix Preface...
Page 33: ...Kurz B Series Operations Guide 1 20 B Series Flow Meter Modes Menus...
Page 65: ...Kurz B Series Operations Guide 2 32 B Series Flow Meter Display Mode Options...
Page 141: ...Kurz B Series Operations Guide 4 68 Program Mode Advanced Setup...