Siemens 6SE7087-8KN50 Instructions De Service page 244

Parameterization
NOTE
8-16
The following settings (Fig. 8-7) are possible:
♦ Tab card "Bus Type", options
USS (operation via serial interface)
Profibus DP (only if DriveMonitor is operated under Drive ES).
♦ Tab card "Interface"
You can enter the required COM interface of the PC (COM1 to
COM4) and the required baudrate here.
Set the baudrate to the baudrate parameterized in SIMOVERT
MASTERDRIVES (P701) (factory setting 9600 baud).
Further settings: operating mode of the bus in RS485 operation;
setting according to the description of the interface converter
RS232/RS485
♦ Tab card "Extended"
Request retries and Response timeout; here you can increase the
values already set if communication errors occur frequently.
Fig. 8-7 Interface configuration
6SE7087-7KN50
Operating Instructions SIMOVERT MASTERDRIVES
10.2006
Siemens AG