Autonics CN-640 Series Руководство по эксплуатации - Страница 6

Просмотреть онлайн или скачать pdf Руководство по эксплуатации для Медиаконвертер Autonics CN-640 Series. Autonics CN-640 Series 6 страниц. Isolated converters

Печатать страницу
Autonics CN-640 Series Руководство по эксплуатации

Function Description

■ High / Low-limit scale value
This function is to display setting of particular high / low-limit value in order to display high /
low-limit value of measured input.
If measured inputs are a and b and particular values are A and B, it will display a = A, b = B as
below graphs.
• When changing input range, it is changed automatically as factory default display range of
the input range.
Display
Display
value
value
B
B
A
A
a
b
a
Input
value
Display
Display
value
value
a
A
A
B
B
a
b
Input
value
■ High / low-limit value of transmission output and
High / low-limit scale value of transmission output
This function is to set output scale and range for display value for transmission output.
Output
Output
A
A
B
B
C
D
Display
A: High-limit value of transmission output 1 / 2
B: Low-limit value of transmission output 1 / 2
C: Low-limit scale value of transmission output 1 / 2
D: High-limit scale value of transmission output 1 / 2
When the input value set at low-limit scale value of transmission output 1 / 2 is displayed, the
output value set at low-limit value of transmission output 1 / 2 is transmitted.
When the input value set at high-limit scale value of transmission output 1 / 2 is displayed, the
output value set at high-limit value of transmission output 1 / 2 is transnitted.
• E.g: Relation among input type, high / low-limit input value, high / low-limit scale, high / low-
limit scale value of transmission output 1 / 2, and high / low-limit value of transmission
output 1 / 2. The below figure is the example for 4 to 20mA input.
4 mA
Input type
= A. MA2
Low-limit to
Low-limit input value = 6
high-limit input value
= 6 mA to 16 mA
Low-limit scale = 0
Low-limit to
high-limit scale
LLLL
= 0 to 1000
Low-limit scale value of
transmission output 1 = 100
High / low-limit scale value
of transmission output
Low-limit value of
transmission output 1 = 4
High / low-limit value
of transmission output
4 mA
transmission
■ Input correction
This function is to correct the error occurring from a thermocouple, a RTD or analog input
out of allowable error range of this unit.
This is also available to correct error when a sensor cannot contact the subject position by
calculating the error temperature.
When executing input correction function, you should measure the error from a sensor
accurately. If the measured error is not correct, error may be greater.
• E.g.: When measured temperature is 4 ℃ and actual temperature is 0 ℃. Set IN-B as -4, and
and display value is 0 ℃.
■ Normal / moving average digital filter
Digital filter is able to stably display and output the noise from input line and irregular signals.
Normal average filter displays the averaged n times of input values periodically. Moving
average filter displays the moving averaged n times of input values in real time.
100 ms
Initial operation
before averaging 4
S
S
S
S
: Sampling value
1
2
n
Using a moving
D
D
average digital filter
1
2
D
: Display value, n = 4
S
+ S
n
D
=
1
4
S
+ S
D
=
3
6
S
+ S
D
=
5
8
Display
value
B
a
b
Input
A
b
Input
value
value
Display
value
b
A
a
b
Input
value
Input
value
B
C
D
Display
20 mA
High-limit input value = 16
High-limit scale = 1000
High-limit scale value of
transmission output 1 = 900
When display value is 100, it outputs 4mA.
When display value is 900, it outputs 20mA.
High-limit value of
transmission output 1 = 20
20 mA
transmission
S
S
S
S
S
3
4
5
6
7
8
D
D
D
D
D
3
4
5
6
7
+ S
+ S
S
+ S
+ S
+ S
D
=
2
3
4
2
3
4
4
4
5
+ S
+ S
S
+ S
+ S
+ S
D
=
4
5
6
4
5
6
4
4
7
+ S
+ S
6
7
8
4
■ Input special function
When selecting analog input, this function is to display the calculated actual value by
square, root (√), or two unit function (TUF) as display value.
SV
Functions
Outputs as
LIN
input value
Outputs the
ROOT
rooted (√)
01)
input value
Outputs the
SQAR
squared input
02)
value
TUF
• Refer to Atmospheric pressure (0) setting for Two Unit Function
01)  Display value and mA output value for ROOT
Input - Low-limit input
Output = (
High-limit input - Low-limit input
02)  Display value and mA output value for SQAR
Input - Low-limit input
Output = (
High-limit input - Low-limit input
■ Atmospheric pressure (0) setting for Two Unit Function
When connecting a pressure sensor, compound pressure which is below atmospheric
pressure (0) is for vacuum as mmHg and which is atmospheric pressure or over it is for
positive pressure as kg/cm
display 0 kg/cm
, you can correct zero-point adjustment function.
2
When using two unit function, low-limit scale is fixed as -760. low-limit scale parameter is
displayed but you cannot set this. You can set high-limit scale within 0 to 9999 range.
• E.g: When pressure range is -760.0 mmHg to 3.000 kg/cm
DC 4 - 20 mA and it outputs 8.00 mA for atmospheric pressure (0), set input special
function = TUF, high-limit scale = 3000, decimal point position = 0.000, atmospheric
pressure = 08.00. This unit displays for 4 mA input as -760, for 8 mA input as 0.000 and 20
mA input as 3.000.
Display
3.000 kg/cm
2.000 kg/cm
HHHH
1.000 kg/cm
4 mA
8 mA
mmHg
UNIT
Segment Table
The segments displayed on the product indicate the following meanings. It may differ
depending on the product.
7 segment
0
0
I
1
1
J
2
2
K
3
3
L
4
4
M
5
5
N
6
6
O
7
S
7
P
9
8
8
Q
9
9
R
A
A
S
B
B
T
C
C
U
D
D
V
E
D
E
W
F
8
F
X
G
5
G
Y
H
H
Z
7
18, Bansong-ro 513Beon-gil, Haeundae-gu, Busan, Republic of Korea, 48002
www.autonics.com | +82-51-519-3232 | [email protected]
Graph
Display
Y = AX + B
Input
Display
Y = A( X ) + B
(X ≥ 0)
Y = 0
Input
(X ＜ 0)
Y = A(X)
+ B
2
(X ＞ 0)
Display
Input
Y = -A(X)
+ B
2
(X ＜ 0)
) × (High-limit scale - Low-limit scale) + Low-limit scale
)
× (High-limit scale - Low-limit scale) + Low-limit scale
2
. Atmospheric pressure is 0 kg/cm
2
, and pressure transmitter outputs
2
2
2
kg/cm
2
UNIT
2
Input
12 mA 16 mA 20 mA
-760 mmHg
11 segment
12 segment
I
0
I
0
0
I
0
I
J
1
J
1
1
J
1
J
K
2
K
2
2
K
2
K
L
3
L
3
3
L
3
L
M
4
M
4
4
M
4
M
N
5
N
5
5
N
5
N
O
6
O
6
6
O
6
O
P
7
P
7
7
P
7
P
Q
8
Q
8
8
Q
8
Q
R
9
R
9
9
R
9
R
S
A
S
A
A
S
A
S
T
B
T
B
B
T
B
T
U
C
U
C
C
U
C
U
V
D
V
D
D
V
D
V
W
E
W
E
E
W
E
W
X
F
X
F
F
X
F
X
Y
G
Y
G
G
Y
G
Y
Z
H
Z
H
H
Z
H
Z
Applications
Standard
characteristics
Used for measuring
flows by pressure
signal.
Used for outputting
differential pressure
by flow signal.
. When this unit does not
2
16 segment
I
0
I
0
I
J
1
J
1
J
K
2
K
2
K
L
3
L
3
L
M
4
M
4
M
N
5
N
5
N
O
6
O
6
O
P
7
P
7
P
Q
8
Q
8
Q
R
9
R
9
R
S
A
S
A
S
T
B
T
B
T
U
C
U
C
U
V
D
V
D
V
W
E
W
E
W
X
F
X
F
X
Y
G
Y
G
Y
Z
H
Z
H
Z
-