Siemens CU240B-2 - Terminal Strips on CU240 E-2 Control Units

Installing
3.3 Installing Control Unit
Converter with Control Units CU230P-2; CU240B-2; CU240E-2
26 Getting Started, 04/2014, A5E32885834B AB
3.3.2.3
Terminal strips on CU240E-2 Control Units
①
The analog inputs are supplied from an external 10 V source.
②
The analog inputs are supplied from the internal 10 V voltage.
③
Wiring when using the internal power supplies. Connecting a contact switching to P.
④
Wiring when using external power supplies. Connecting a contact switching to P.
⑤
Wiring when using the internal power supplies. Connecting a contact switching to M.
⑥
Wiring when using external power supplies. Connecting a contact switching to M.