Siemens SINAMICS G120 Original Instructions Manual page 184

Configuring the fieldbus
7.6 Communication via RS485
Settings in the inverter
After you have completed the basic commissioning, you must set the following P1-specific
parameters in the inverter:
Parameter
p2030 = 8
p0840 = 2090.0
p0852 = 2090.3
p1070 = 2050.1
p2103.0 = 2090.7
p2051.0 = 52.0
p2051.1 = 63.0
p0971 = 1
Note
Address 99 (to all)
No matter their address, all FLN devices answer telegrams with address 99.
184
Description
Communication protocol for P1.
With this setting, the inverter sets parameters p2020 and p2021 as follows:
p2020 = 5: Baud rate 4800 bit/s,
•
alternative setting option for P1: p2020 = 6 (9600 bits/s)
p2021 = 1 ... 99: Slave address (factory setting: 99).
•
Wire ON/OFF1 to control word 1 bit 0
Wire the signal for "Enable operation" to control word 1 bit 3
Connect the signal for the main setpoint to the communication interface
Connect the first signal source for acknowledgment to the communication
interface
Send status word via the communication interface
Send speed actual value via the communication interface
Permanently save the settings in the inverter
Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
Inverter with CU230P-2 Control Units