Specifying The Motor Speed Via The Fieldbus - Siemens SINAMICS G120 Operating Instructions Manual

Functions
8.4 Setpoint sources
8.4.5

Specifying the motor speed via the fieldbus

If you enter the setpoint via a fieldbus, you must connect the inverter to a higher-level
control. For additional information, see chapter Configuring the fieldbus (Page 91).
Interconnecting the fieldbus with the setpoint source
You have two options for using the fieldbus as the setpoint source:
1. Using p0015, select a configuration that is suitable for your application.
2. Interconnect main setpoint p1070 with the fieldbus.
Table 8- 20
Parameter
r2050[x]
r2090[x]
180
Please refer to the section titled Selecting the interface assignments (Page 41) to find out
which configurations are available for your inverter.
Fieldbus as setpoint source
Setpoint source
Receive word no. x from RS485 interface
Receive word no. x from PROFIBUS interface
Operating Instructions, 01/2011, FW 4.4, A5E02999804A AB
SINAMICS G120C Inverter