Siemens SIMADYN D Manual page 34

21 Under the General tab, change the name to
„sawtooth".
22 Under the I/O tab, enter the values for the
block inputs, e.g.
•
X = 1
•
LU = 11250
•
TI = 5 ms
Click on OK.
23 First click on output QU and then on input S. The output QU (upper limit) is now coupled
24 Select DAC (analog output) from the block
family ON/OFF and locate it next to function
block INT.
Open the dialog box using Edit > Object
properties and change the name to "analog
output".
Enter, for example under the I/O tab:
•
DM = 0
•
OFF= 0
•
SF = 1E6
Click on OK.
Select connection AD (hardware address),
and call-up the dialog box to interconnect the
object with
Insert > Connect to operand. Then mark
the selection window. Select the first entry
and click on OK
In the "sawtooth" block, click on output Y
25
and after this on input X in the "analog
output" block.
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2001
All changes made in the CFC chart are immediately saved.
Proceed the same for the second sub-task (running lights) (from step 18).
Change into the SIMATIC Manager, open the CFC chart "running lights"
insert the function blocks into the CFC chart, parameterize and connect
them.
All of the necessary information (number of blocks, types and block
parameters) can be taken from the following diagrams. Arrange the first
function block and all others, via
Edit > Run sequence in cyclic task T2. The connection between the
"sawtooth" block and the comparators is realized by changing the CFC
window (Window > ...).
In just a few steps to the first project
The Properties dialog box is closed and the
function block inputs now have values
assigned.
back to input S (set).
The block inputs are parameterized.
The hardware address of the first analog
output channel is assigned.
The sawtooth generator is connected to the
analog output.
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