Switching Over Motor/Drive Data Sets; General Information; Formatting Interfaces - Siemens SINUMERIK 840D sl Function Manual

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Switching over motor/drive data sets

Motor and drive data sets

For optimum adaptation to the particular machining situation or because of different machine

configurations, it may be necessary that several different data sets are available in a drive for

motors, drive parameters and encoders. The creation of the basic data sets of the drive objects

is performed during startup with the aid of the "Drive wizard".

Commissioning Manual: CNC: NCK, PLC, Drive, Section "Commissioning NC-controlled

The following duplication and management of the data sets is performed via the user interface:

SINUMERIK Operate: Operating area "Start-up" > "Drive system" > "Drives" > "Data sets"

The activation of the motor data set (MDS) or drive data set (DDS) required for a machine axis

in a specific machining situation, must be made from the PLC user program via the interfaces

described below.

Axial NC/PLC interface

The interfaces in the axial NC/PLC interface for switching the motor and drive data sets is

divided into three areas:

● Formatting interface (Page 65)

● Request interface (Page 66)

● Display interface (Page 67)

The formatting interface is used to set which bits of the request and display interface are used

to address the motor data sets (MDS) and which are used to address the drive data sets (DDS):

DB31, ... DBX130.0 - 4, with bit x = <value>

<value> Meaning

Basic Functions

Function Manual, 01/2015, 6FC5397-0BP40-5BA2

Bit position for motor data set (MDS) – or invalid bit position

Bit position for drive data set (DDS)

A2: Various NC/PLC interface signals and functions

2.3 Functions

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