Siemens SIPLUS SB 1223 Digital Input / Output Module

<P>These <STRONG>Siemens SIPLUS SB 1223 Digital Input/ Output Modules </STRONG>convert the level of the external digital signals from the process into the internal signal level of the S7-1200 and the internal signal level of the S7-1200 into the external signal level required by the process.</P><P>The signal boards are plugged directly into the receptacle on the front of each S7-1200 CPU and are thus electrically and mechanically connected to the CPU. The CPU mounting dimensions remain unchanged.</P>