Chr_ - Characterizer - Siemens Moore 353 User Manual

Process automation controller
Table of Contents

Advertisement

Function Blocks

3.2.26 CHR_ - Characterizer

CHR_ function blocks provide 10 segments that can be
used to characterize the X input signal. Individual
segments are configured by entering the Xn, Yn and Xn+1,
Yn+1 points for each segment. All Xn+1 points must be
greater than the associated Xn points. Input X is in
engineering units and the Y points should be in the
engineering units desired for the characterizer output.
CHARACTERIZER
Y
5
Y
6
Y
4
Y
7
Y
8
Y
3
Y
2
Y
9
Y
10
Y
1
Y
0
X
X
X
X
X
0
1
2
3
4
X
Input Coordinates
Input X
BLOCK DIAGRAM
3.2.27 CMP_ - Comparator
CMP_ function blocks compare analog input A with an
external or internal limit setting and provide a high (1)
output when the limit is exceeded.
ACTION - the CMP block can be configured as direct or
reverse action. Direct action will cause the output to go
high when input A is equal to or greater than the limit.
Reverse action will cause the output to go high when
input A is equal to or less than the limit.
DIRect ACTing
A
Analog
Input
LIMIT
EL
External
Limit
BLOCK DIAGRAM
DEAD BAND - the output will return from a high (1) output to a low (0) output when input A is less than the limit -
Dead BAND setting for direct action or greater than the limit + Dead BAND for reverse action.
EXTERNAL LIMIT - When input EL is configured, the LIMIT setting will be ignored and the value of input EL
will be used as the limit value.
3-36
Output Y
OY
X
X
X
X
X
X
8
5
6
7
9
10
X03131S0
I N P U T
Analog Input
External Limit
I
+
O1
Output 1
-
X03132S0
CHARACTERIZER
CHR_
ESN = 000
Input X
X
CHARACTERIZER
X
0
Input Coordinate X0
............................ Real
(S)
X
1
Input Coordinate X1
............................ Real
(S)
X
2
Input Coordinate X2
............................ Real
(S)
X
3
Input Coordinate X3
............................ Real
(S)
X
4
Input Coordinate X4
............................ Real
(S)
X
5
Input Coordinate X5
............................ Real
(S)
X
6
Input Coordinate X6
............................ Real
(S)
X
7
Input Coordinate X7
............................ Real
(S)
X
8
Input Coordinate X8
............................ Real
(S)
X
9
Input Coordinate X9
............................ Real
(S)
X 1 0
Input Coordinate X10
.......................... Real .
(S)
Y
0
Output Coordinate Y0
(S)
Y
1
Output Coordinate Y1
(S)
Y
2
Output Coordinate Y2
(S)
Y
3
Output Coordinate Y3
(S)
Y
4
Output Coordinate Y4
(S)
Y
5
Output Coordinate Y5
(S)
Y
6
Output Coordinate Y6
(S)
Y
7
Output Coordinate Y7
(S)
Y
8
Output Coordinate Y8
(S)
Y
9
Output Coordinate Y9
(S)
Y 1
0
Output Coordinate Y10
(S)
X
INPUT X
..................
l
oop tag.block tag.output
(H)
E
S
N
.......................... 001 to 250
Exec. Seq. No.
(H)
COMPARATOR
CMP_
ESN = 000
A
COMPARATOR
EL
L
I
M
I
T
Comparator LIMIT
(S)
B A
D
N D
Dead BAND
.............................. Real
(S)
D
I
R
A
C
T
DIRect ACTing
.................... NO/YES
(S)
I N P U T
A
INPUT A
..........
loop tag.block tag.output
(H)
N
P
U
T
E
L
INPUT EL
........
loop tag.block tag.output
(H)
E S N
Exec. Seq. No.
................ 001 to 250
(H)
UM353-1
OY
Output Y
(0.0)
(10.0)
(20.0)
(30.0)
(40.0)
(50.0)
(60.0)
(70.0)
(80.0)
(90.0)
(100.0)
......................... Real
(0.0)
......................... Real
(10.0)
......................... Real
(20.0)
......................... Real
(30.0)
......................... Real
(40.0)
......................... Real
(50.0)
......................... Real
(60.0)
......................... Real
(70.0)
......................... Real
(80.0)
......................... Real
(90.0)
....................... Real
(100.0)
(null)
Output 1
O1
..................... Real
(0.0)
(0.5)
(YES)
(null
)
(null)
March 2003

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents