Siemens SINAMICS V20 - Page 282

Parameter list
8.2 Parameter list
SINAMICS V20 Converter
280 Operating Instructions, 10/2019, A5E34559884-012
Parameter
Function
Range
Factory
default
Can be
changed
Scaling
Data
set
Data
type
Acc.
Level
P2010[0...1]
USS/MODBUS baudrate
6 - 12
6
U, T
-
-
U16
2
Sets baud rate for USS/MODBUS communication.
6
9600 bps
7 19200 bps
8
38400 bps
9
57600 bps
10
76800 bps
11
93750 bps
12
115200 bps
Index:
[0]
USS/MODBUS on RS485
[1]
USS on RS232 (reserved)
Notice:
Before fitting SINAMICS V20 Smart Access to V20, if RS485 communication is present, then you must set
P2010[1] = 12 via the BOP.
Note:
This parameter, index 0, will alter the baudrate on RS485 regardless of the protocol selected in P2023.
P2011[0...1]
USS address
0 - 31
0
U, T
-
-
U16
2
Sets unique address for converter.
Index:
[0]
USS on RS485
[1]
USS on RS232 (reserved)
Note:
You can connect up to a further 30 converters via the serial link (i.e. 31 converters in total) and control
them with the USS serial bus protocol.
P2012[0...1]
USS PZD length
0 - 8
2
U, T
-
-
U16
3
Defines the number of 16-bit words in PZD part of USS telegram. In this area, process data (PZD) are
continually exchanged between the master and slaves. The PZD part of the USS telegram is used for the
main setpoint, and to control the converter.
Index:
[0]
USS on RS485
[1]
USS on RS232 (reserved)
Notice:
USS protocol consists of PZD and PKW which can be changed by the user via P2012 and P2013 respec-
tively.