Siemens SIMATIC CP 440 Manual page 57

Creating a User Program for the CP 440
Programming the CP 440 involves configuring it for the associated CPU using the
STEP7 user program. The CP 440 is programmed using the language editors of
the STEP 7 software.
A detailed description of programming with STEP 7 is contained in the
Programming with STEP 7 manual.
Communication using the function blocks of the CP 440 is described in Chapter 6.
Chapter 9 contains a detailed programming example.
Point-to-point connection CP 440 Installation and Parameter Assignment
A5E00057742-02
Commissioning the CP 440
3-3