Chapter 1 Principles Manual VIPA CPU 21x
1-14 HB103E - Rev. 05/45
Application based on TCP/IP
TCP/IP
CP 143 TCP/IP
Visualization and
shop floor data collection
via DDE-server
VIPA Rack-135U
System 200V
CPU 21x NET
System 200V
CPU 21x NET
Hub
VIPA Rack-135U
CP 143 TCP/IP
Features
The PLC-CPUs are employed as program executor.
They support the input/output modules and process the data from the
function modules.
• Quick programming due to the compatibility with STEP

7 from Siemens.
• The compact construction requires less space.
• Enhanced flexibility provided by up to 32 function modules (DIG I/O,
ANA I/O, SSI, pulse counter, communication modules, etc.).
• Additional function modules can be added quickly and easily by means
of plug-in bus extension options.
• User-friendly maintenance using a PC via MPI.
• Optional Ethernet or Profibus interface.