Siemens SINAMICS V20

Parameter list
8.2 Parameter list
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
287
Parameter
Function
Range
Factory
default
Can be
changed
Scaling
Data
set
Data
type
Acc.
Level
P2021
Modbus address
1 - 247
1
T
-
-
U16
2
Sets unique address for converter.
P2022
Modbus reply timeout [ms]
0 - 10000
1000
U, T
-
-
U16
3
The time in which the converter is allowed to respond to the Modbus master. If the forming of a response
needs more time than specified in this parameter, the processing is done, but no response is sent.
P2023
RS485 protocol selection
0 - 3
1
T
-
-
U16
1
Select the protocol which runs on the RS485 link.
0
None
1
USS
2
Modbus
3
Script terminal
Notice:
After changing P2023, powercycle the converter. During the powercycle, wait until LED has gone off or
the display has gone blank (may take a few seconds) before re-applying power. If P2023 has been
changed via a PLC, make sure the change has been saved to EEPROM via P0971.
r2024[0...1]
USS/MODBUS error-free
telegrams
- - - - - U16 3
Displays number of error-free USS/MODBUS telegrams received.
Index:
[0]
USS/MODBUS on RS485
[1]
USS on RS232 (reserved)
Note:
The state of the telegram information on RS485 is reported regardless of the protocol set in P2023.
r2025[0...1]
USS/MODBUS rejected
telegrams
- - - - - U16 3
Displays number of USS/MODBUS telegrams rejected.
Index:
See r2024
Note:
See r2024
r2026[0...1]
USS/MODBUS character
frame error
- - - - - U16 3
Displays number of USS/MODBUS character frame errors.
Index:
See r2024
Note:
See r2024
r2027[0...1]
USS/MODBUS overrun
error
- - - - - U16 3
Displays number of USS/MODBUS with overrun error.
Index:
See r2024
Note:
See r2024
r2028[0...1]
USS/MODBUS parity
error
- - - - - U16 3
Displays number of USS/MODBUS telegrams with parity error.
Index:
See r2024
Note:
See r2024
r2029[0...1]
USS start not identified
-
-
-
-
-
U16
3
Displays number of USS telegrams with unidentified start.
Index:
See r2024
Note:
Not used on MODBUS.