User
Manual
Bed
‐
GK
1+2e
Rev.
03.04.2019
Page
50
/
143
D.
Greenkeeper
Hereby
you
can
calculate
the
scale
value,
which
has
to
be
entered
in
the
menu:
„External
VCU
interface“
at
S6.
Scale:
ma
bar
)
4
20
(
25
=
1,56
ma
bar
Hereby
you
can
calculate
the
Offset,
which
has
to
be
also
entered
to
the
menu:
“
External
VCU
interface”
at
S6.
Offset:
4ma
x
1,56
ma
bar
=
6,24
The
Offset
value
has
to
be
subtracted
from
the
total
amount.
Therefore
it
is
necessary
to
put
a
(
‐
)
sign
in
front
of
the
figure
Offset:
‐
6,24
Now
we
have
done
all
necessary
inputs.
Greenkeeper
is
currently
measuring
the
actual
pressure.
These
values
are
reported
in
the
menu:
“
actual
irrigation
report”
and
”weather
station”
Example
2:
Frequency
input
1
(Anemometer)
During
one
rotation
an
anemometer
generates
4.4
pulses
per
second
(4.4
Hz).
One
rotation
corresponds
to
a
wind
speed
of
1
m/s.
The
total
measuring
range
is
0.5
‐
35
m/s
Then:
1
m/s
:
4.4
Hz.
=
0.22
m/s
at
1
Hz.
We
enter
a
scale
factor
of
0.22
in
the
scale
field.
Example
3:
Flow
meter
connection
A.
Flow
meter
type:
Kobolt
turbine
‐
wheel
flow
meter
with
integrated
transducer
Type
TUR
2…
.
Option
A,
Output
0
‐
20
mA.
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