Siemens Industry Online Support
Siemens AG
Entry type: Product note Entry ID: 4337749, Entry date: 02/12/1998

S7 200 - New EM223 Digital Expansion Module

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit