Siemens SINAMICS S120 Function Manual page 486

Basic information about the drive system
12.5 Inputs/outputs
● 9100 Digital inputs, electrically isolated (DI 0 ... DI 3)
● 9400 Digital inputs/outputs, bidirectional (DI 0 ... DI 7)
● 9401 Digital inputs/outputs, bidirectional (DI 8 ... DI 15)
● 9402 Digital inputs/outputs, bidirectional (DI 16 ... DI 23)
● 9550 Digital inputs, electrically isolated (DI 0 ... DI 3)
● 9552 Digital inputs, electrically isolated (DI 4 ... DI 7)
● 9660 Digital inputs, electrically isolated (DI 0 ... DI 3)
Digital outputs
Figure 12-10 Digital outputs: signal processing using DO 0 of TB30 as an example
Properties
● Separate power supply for the digital outputs.
● Source of output signal can be selected by parameter.
● Signal can be inverted by parameter.
● Status of output signal can be displayed
Function diagrams (see SINAMICS S List Manual)
● 9102 Electrically isolated digital outputs (DO 0 to DO 3)
● 9556 Digital relay outputs, electrically isolated (DO 0 and DO 1)
486
– as a binector output
– as a connector output
Note
Before the digital outputs can function, their own electronics power supply must be
connected.
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
Drive Functions