© JL
AI_Org.exe come into existence after several
years of development of this "system". It is only part of
package
Analog Input Organizer and in its algorithm is hidden power of years of
experience.
AI_Org.exe prepares data for next using in
world standard software as
STEP 7 © SIEMENS
WinCC © SIEMENS
InTouch © Wonderware
INPUT DATA .
After feeding AI_Org.exe with appropriate
informations ( input data ) three text
files are created
LIST OF ANALOG INPUTS
is used as input data. List can be fed to AI_Org.exe either as "csv" file
or across
clipboard. For analog input treatment a programmer has to be fed with some appropriate
information
which
usually are given by project designer. These information are :
Symbol …( tag name, circuit number …) - unique !!! identifier of analog input
Comment … description of analog input - it is used as comment field where comment
can be used ( STEP 7, InTouch )
Low range … value in physical unit which is represented by 4 mA input signal
of measurement transmitter
High range … value in physical unit which is represented by 20 mA input signal
of measurement transmitter
UNIT … labeling of physical unit of analog input - kPa, °C, m3/h, bar, %,
…
Input data can be passed to AI_Org.exe
in three ways either by opening "csv" file where particular data
are
separated by comma "," , by copying such table to
clipboard in MS Excel and pasting in AI_Org.exe to
table for
input data or writing this data to Input Data Table by hand.
For example
: Measurement of pressure in
boiler. Measurement transmitter has physical range from 0 -
5.5 Mpa.
Electric range of transmitter is 4 -
20 mA.
Measurement of
temperature in boiler. Measurement transmitter has physical range from 30 -
330 °C.
Thermocouple is type of PT100 .
Table of
LIST OF ANALOG INPUTS ( AI_mars.csv
) :
|
Symbol |
Comment |
LR |
HR |
Unit |
Type |
Option |
|
F101 |
Surface air flow MARS 21: PIW512 |
0 |
100000 |
m3/h |
CURR |
PID |
|
P102 |
Pressure in boiler - MARS 21: PIW514 |
0 |
5500 |
kPa |
CURR |
PID |
|
F103 |
Water addition to boiler - MARS 21: PIW516 |
0 |
3450 |
l/min |
CURR |
PID |
|
P104 |
Exhaust fan suction - MARS 21: PIW518 |
-20 |
12 |
kPa |
CURR |
PID |
|
L105 |
Sampler position - MARS 21: PIW520 |
-200 |
-2 |
m |
CURR |
|
|
L106 |
Level in boiler - MARS 21: PIW522 |
0 |
100 |
% |
CURR |
|
|
W107 |
Daily weight increase - MARS 21: PIW526 |
0.1 |
0.4 |
kg |
CURR |
|
|
T108 |
Temperature in boiler - MARS 21: PIW524 |
30 |
330 |
°C |
PT100 |
PID |
Input
"csv" file must contain this structure :
F101,Surface air flow MARS 21: PIW512,0,100000, m3/h,CURR,PID
P102,Pressure in boiler - MARS 21: PIW514,0,5500, kPa,CURR,PID
F103,Water addition to boiler - MARS 21: PIW516 ,0,3450, l/min,CURR,PID
P104,Exhaust fan suction - MARS 21: PIW518,-20,12, kPa,CURR,PID
L105,Sampler position - MARS 21: PIW520,-200,-2, m,CURR,,
L106,Level in boiler - MARS 21: PIW522,0,100, %,CURR,,
W107,Daily weight increase - MARS 21: PIW526,0.1,0.4,
kg,CURR,,
T108,Temperature in boiler - MARS 21: PIW524,30,330,
°C,PT100,PID
On the Input Data page you can
simply check and find out appropriate address of any attribute of AI.
Select
requested AI in table .In "DB Address " is then displayed immediately
address of attribute in DB. By clicking
to edit
field is the address copied to clipboard. After this you can paste it to S7
program in LAD,STL,FBD editor.
Open input data csv file.
Open file by "OPEN"
button 
. After successful
opening the Input DataTable is filled by your data.
INTOUCH setting .
On InTouch setting page can be
selected which attributes of AI will be inserted to InTouch tag database.
Default
setting contains all attributes selected. This selection / deselection is done
by checking checkbox at
particular
attribute label. If AI is not signed in column “Option” as PID then the
variables in setpoint section is not
included
for import to InTouch database.
This
setting has no relation to generating datablock.
Datablock is generated always in full length i.e. with all
attributes.
For application
name and topic name see InTouch
© Wonderware - x.csv file for DBLOAD
tool
WinCC setting .
On WinCC
setting page can be selected which attributes of AI will be inserted to WinCC
tag database.
Default
setting contains all attributes selected. This selection / deselection is done
by checking checkbox at
particular
attribute label. If AI is not signed in column “Option” as PID then the
variables in setpoint section is not
included
for import to WinCCh database.
If function
AS ó OS transfer is selected then datablock
source file for STEP7 is created with S7 system attributes
{ S7_m_c =
true }. Such variables will appear in WinCC tag database after AS ó OS transfer ( station compilation )
This
setting has no relation to generating datablock.
Datablock is generated always in full length i.e. with all
attributes.
For connection name see Win CC ©
SIEMENS - x_vex.csv file
for VARIABLE IMPORT tool
Generation action .
Once an input data are in Input
Data Table the button "GENERATE"
can be pressed.
If input
data was pasted from clipboard or was typed by hand you are asked to find
directory where the
output files
are stored.
If input
data was opened from "csv" file than output data are placed to the same directory with using input
file name.
For example
: Your input file has name "AI_mars.csv" and is stored in C:\PLCDATA\MARS\
directory.
After generation
are created three files:
1. C:\PLCDATA\MARS\AI_mars.awl …
text file for Source file Editor STEP 7
2. C:\PLCDATA\MARS\AI_mars_InT.csv …csv file for InTouch DBLOAD
tool
3. C:\PLCDATA\MARS\AI_mars_vex.csv …
csv file for WinCC IMPORT tool