Control Unit Adapter Cua31; Description; Safety Information - Siemens SINAMICS S120 Manual

6.4

Control Unit Adapter CUA31

6.4.1

Description

The Control Unit Adapter CUA31 combined with a modular power unit is used to extend an
existing DC/AC drive line-up e.g. with CU320 by one drive.
The closed-loop control is externally implemented. This is the reason that a SINAMICS,
SIMOTION or SINUMERIK closed-loop control is always required for operation.
The maximum DRIVE-CLiQ cable length is 50 m.
The Control Unit Adapter CUA31 has the following interfaces (ports):
Table 6-32
Type
DRIVE-CLiQ interfaces
EP terminal /
temperature sensor connection
Power Module Interface (PM-IF)
24 V electronics power supply
6.4.2

Safety information

The cooling clearances of 50 mm above and below the components must be observed. It is
not permissible that the connecting cables cover the cooling openings.
AC Drive
Manual, (GH6), 07/2007 Edition, 6SL3097-2AL00-0BP2
Interface overview of the CUA31
WARNING
6.4 Control Unit Adapter CUA31
Number
3
1
1
1
Control Units
211