Special Configurations And Topologies - Siemens SINAMICS S120 Function Manual

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The following rules apply to the parallel connection of Line Modules of the Booksize format:

● In the Booksize format, a maximum of two Active Line Modules (ALM) from the 55 kW,

80 kW or 120 kW power class are permissible for each parallel connection.

● The operation of Infeed Modules with different power ratings is not permissible.

● When commissioning ALMs in the Booksize format connected in parallel, a firmware version

of ≥ V5.2 must be available.

● The use of Voltage Sensing Modules (VSM) is optional.

Terminal Modules

Control Unit CU320-2:

● In total a maximum of 16 drive objects of the types TM15 Base, TM31, TM15, TM17, TM41,

TM120 or TM150 can be operated concurrently.

● A maximum of one Terminal Module F (TM54F) can be connected (in addition).

Control Unit CU310-2:

● In total a maximum of eight drive objects of the types TM15 Base, TM31, TM15, TM17,

TM41, TM120 or TM150 can be operated concurrently.

● A maximum of three drive objects of the types TM15, TM17 and TM41 may be operated

concurrently in each case.

● A maximum of one F Terminal Module (TM54F) can be connected (in addition).

DRIVE-CLiQ Hub Module

● A maximum of eight drive objects can be operated concurrently for a DRIVE-CLiQ Hub

Module (DMC20 or DME20). DMC20/DME20 do not count twice here.

Special configurations and topologies

This subchapter discusses known special configurations and topologies, therefore expanding

individual tasks from subchapter "System rules (Page 835)".

The applications described should be seen as hypothetical examples. They serve to explain the

secondary conditions under which a certain configuration or topology can run.

Detailed knowledge about servo and U/f control required

For the applications described, it is mandatory that users have detailed knowledge and a very

good understanding of servo and U/f control.

Using drives with servo control and U/f control together on one Double Motor Module

When using drives with servo control and U/f control together on one Double Motor Module, the

following preconditions and secondary conditions apply.

Drive functions

Function Manual, 06/2019, 6SL3097-5AB00-0BP2

Basic information about the drive system

14.12 System rules, sampling times and DRIVE-CLiQ wiring