Siemens Simovert Masterdrives Compendium page 410

Communication / PROFIBUS
8.2.8.4 Operating the CBP2 with extended functions with a SIMATIC S7
DriveES SlaveOM
Configuration
Clock
synchronization
8.2-80
The extended functions "Cross traffic" and "Clock synchronization" are
described in detail in PROFIBUS Profile Drive Technology, Version 3.x,
Order No. 3.171 (German), or 3.172 (English).
The functions described here presuppose the planning tool, STEP7, and
driveES with the slave OM for the CBP2.
♦ Free configuration: Up to 16 process data can be configured in each
case, separated into setpoints and actual values.
♦ Cross traffic: Direct slave-to-slave communication without going the
long way round via the DP master.
♦ Clock synchronization: Synchronization of master and slave
applications at the isochronous PROFIBUS.
Free configuration is possible with all DP masters which are configured
with STEP7.
Cross traffic and clock synchronization presuppose DP masters which
support this functionality, i.e. all S7-CPUs, for example, with the
characteristic "equidistance".
For free configuration and cross traffic, carry out configuration completely
with the slave OM in the "Configuration" register. In the drive, only correct
interconnection of the setpoints and actual values has to be carried out.
Configure Clock synchronization with the slave OM in the "Clock
synchronization" register. In addition, some parameters in the drive have
to be set (MASTERDRIVES MC only).
Detailed help can be obtained in the on-line help for the slave OM.
6SE7087-6QX70 (Version AK)
Compendium Motion Control
09.2008
Siemens AG
SIMOVERT MASTERDRIVES