Siemens SIMATIC ET 200S Operating Instructions Manual page 330

2PULSE
5.7 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. Configured
with a short control interface.
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:
L PEB256
T MB20
L MW32
T PAW256
L 10
T PAB259
L 0
T MB10
U M30.0
= M10.0
L MB10
T PAB258
Wiring / Terminal Assignment Diagram
Figure 5-25
330
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, 06/2010, A5E00124867-07