SIMATIC DP, electronic modules for ET 200 PRO 4 DIO/4 DO DC 24V, 0.5A module diagnostics, including bus module, connection module IO 6ES7194-4CB50-0AA0 order separately SIMATIC ET 200pro is a modular, robust and versatile I/O system with IP65/67 protection, which is characterized by its comprehensive range of modules. Siemens thus offers you a space-saving and multifunctional application option that can be installed directly on the machine thanks to the modular design and does not require a control cabinet. You can react flexibly and quickly to various automation requirements because the I/O system contains an extensive and innovative range of modules. In addition to the versatile range of modules, the system is space-saving and easy to install due to its design. In addition, you can keep the downtime of your system to a minimum, as the SIMATIC ET 200pro provides extensive and precise diagnostic options thanks to its high-feature modules. Hot swapping allows you to replace the electronic modules in the event of a fault without having to shut down the system. While you change the modules, the wiring remains intact and the remaining parts of the system continue to run. Siemens offers you a high-quality and flexible complete solution that can be used under increased mechanical loads thanks to its robust design. Continuous quality management helps the ET 200 products establish new market standards and make Siemens a reliable partner. The system offers a very broad portfolio of modules. In addition to various digital and analog input and output modules in a wide range of versions, a range of fail-safe modules are also available for use up to SIL 3 / PLe. The ET 200pro system offers integrated solutions specifically for motor control in the form of motor starters and frequency converters, which are also available as fail-safe variants. An IO-Link master and a module for connecting RFID components via the RS 232/422 interface round off the portfolio.