Installing
3.2 Installing Control Unit
Converter with Control Units CU230P-2; CU240B-2; CU240E-2
28 Getting Started, 11/2013, A5E32885834B AA
Terminal strips of the CU230P-2
The following applies to systems complying with UL: A maximum of 3 A 30 V DC or 2 A 250 V AC may be connected via
terminals 18 / 20 (DO 0 NC) and 23 / 25 (DO 2 NC).
The analog input is supplied from an external 10 V voltage.
The analog input is supplied from the internal 10 V voltage.
Wiring when using the internal power supplies. Connecting a current sourcing contact.
Wiring when using external power supplies. Connecting a current sourcing contact.
Wiring when using the internal power supplies. Connecting a current sinking contact.
Wiring when using external power supplies. Connecting a current sinking contact.
Note
When a current sinking contact is connected, a ground fault at the digital input can lead to
unintentional setting of the input.
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