Page
Page J-4
J-4
LASAIR
LASAIR II
II Operator’s
Operator’s Manual
Manual
Appendix J: 4-20 mA Input and Output
Appendix J: 4-20 mA Input and Output
4-20 mA Output: Setup Screen P
4-20 mA Output: Setup Screen Parameters
arameters
To configure LASAIR II for 4-20 mA output:
To configure LASAIR II for 4-20 mA output:
1
1
From the Main Setup Screen, open the 4-20 mA Out Setup Screen by
From the Main Setup Screen, open the 4-20 mA Out Setup Screen by
pressing the 4-20 icon softkey
pressing the 4-20 icon softkey..
2
2
Enable
Enable the
the Edit
Edit Mode
Mode by
by pressing
pressing the
the Enter
Enter Button
Button
.
. The
The 1/0
1/0 button
button
will
will be
be highlighted
highlighted
..
3
3
Press the Enter softkey to enable the 4-20
Press the Enter softkey to enable the 4-20 mA output feature. When enabled,
mA output feature. When enabled,
the surface of the 1/0 button will appear to be below the LCD’s surface.
the surface of the 1/0 button will appear to be below the LCD’s surface.
4
4
Navigate to the first
Navigate to the first
Scale
Scale
field by pressing
field by pressing the Forward Tab softkey
the Forward Tab softkey
once.
once.
5
5
Use
Use the
the Up
Up
and
and Down
Down
softkeys
softkeys to
to move
move to
to the
the field
field you
you want
want to
to change.
change.
6
6
Press the Enter softkey again to activate the Field Edit Mode. The numbers in
Press the Enter softkey again to activate the Field Edit Mode. The numbers in
the field will turn blue and a blinking cursor will appear.
the field will turn blue and a blinking cursor will appear.
7
7
Use
Use the
the Up,
Up, Down,
Down, Right,
Right, Left,
Left, Delete
Delete
,
, and
and Insert
Insert
softkeys
softkeys to
to enter
enter
the value you want in the field.
the value you want in the field.
F
Fiie
elld
d o
or
r IIc
co
on
n
N
Na
am
me
e a
an
nd
d F
Fu
un
nc
cttiio
on
n
Enable/Disable
Enable/Disable
Scale
Scale
Maximum output counts per channel
Maximum output counts per channel
U
U
p
p
d
d
a
a
t
t
e
e
Update continuously
Update continuously
Update at end of sample
Update at end of sample
T
T
y
y
p
p
e
e
∇
∇
Display differential counts
Display differential counts
Σ
Σ
Display cumulative counts
Display cumulative counts
U
U
n
n
i
i
t
t
s
s
ft
ft
3
3
Display counts per cubic foot
Display counts per cubic foot
NOTE:
NOTE:
The units selected here act independently
The units selected here act independently
of those selected in the Sample Setup Screen
of those selected in the Sample Setup Screen
M
M
3
3
Display counts per cubic meters
Display counts per cubic meters
D
D
a
a
t
t
a
a
N
N
Display raw data
Display raw data
N/ft
N/ft
3
3
or N/m
or N/m
3
3
Display normalized data
Display normalized data
