Siemens SINAMICS S120 Function Manual page 614

Basic information about the drive system
12.10 Rules for wiring with DRIVE-CLiQ
Notes on the maximum number of drives that can be controlled by a CU320:
•
•
1) If a CUA31 is connected as the first module to the Control Unit, then the maximum number is
decreased by one.
2) A total of five drives are permitted (e.g. three Motor Modules + one Double Motor Module).
614
Servo
In addition, the "Safe Standstill" function can be activated and a TM31 connected.
No function modules must be activated.
Vector V/f control (=vector
without speed control
function module and
without encoder)
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Vector
Drive functions