Siemens SIMATIC ET 200S Operating Instructions Manual page 308

2PULSE
5.4 Application Examples
STL program
Below you will find a section from a STEP7 STL program.
The configured start address of the inputs and outputs of the 2PULSE is 256.
You use this part of the program to start the process. To do this, memory marker M30.0 must
be set. Set up the off-delay in memory word MW32.
STL
Block:
L PIB256
T MB20
L MW32
T PQW256
L 10
T PQB259
L 0
T MB10
U M30.0
= M10.0
L MB10
T PQB258
308
Description
Read the feedback messages from channel 0 of the 2PULSE
Write off-delay to channel 0 of the 2PULSE
Write on-delay factor 10 x 0.1 to channel 0 of the 2PULSE
Generate SW_ENABLE control signal
Heating process starts
Set SW_ENABLE=1
Write control signals to channel 0 of the 2PULSE
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05