Siemens SIMATIC ET 200S Operating Instructions Manual page 298

2PULSE
5.4 Application Examples
Programming/Flow Diagram
Below you will find a section from a STEP 7 STL program.
The configured start address of the inputs and outputs of the 2PULSE is 256.
This program section starts the heating process. To do this, memory bit M30.0 must be set.
You provide the output value in memory word MW32.
STL
Block:
PIB256
L
MB20
T
MW32
L
PQW256
T
10
L
PQB259
T
0
L
MB10
T
M30.0
U
M10.0
=
MB10
L
PQB258
T
Wiring/Terminal Assignment Diagram
Figure 5-21
298
Description
Read the feedback messages from channel 0 of the 2PULSE
Write output value to channel 0 of the 2PULSE
Write period factor 10 x 0.1 to channel 0 of the 2PULSE
Generate control signal SW_ENABLE
Start of heating process
Set SW_ENABLE=1
Write control signals to channel 0 of the 2PULSE
Terminal Assignment of the 2PULSE for the Heating of a Liquid
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05