Parameter list
7.2 Parameter list
SINAMICS V20 Inverter
Operating Instructions, 07/2012, A5E03728167
191
Parameter
Function
Range
Factory
default
Can be
changed
Scaling
Data
set
Data
type
Acc.
Level
P2019[0...7] CI: PZD to USS /
MODBUS on RS485
-
[0] 52[0]
[1] 21[0]
[2] 0
[3] 53[0]
[4...7] 0
T
4000H
-
U32 /
I16
3
Displays process data transmitted via USS / MODBUS on RS485.
3
3='
=6:
3='
+,:
3='
3='
=6:
>@
>@
>@
>@
>@
67;
/*(
$'5
3.:
3='
%&&
=6:
+,:
U
U
U
U
U
67;
/*(
$'5
%&&
3URFHVVGDWD
866WHOHJUDP
USS on RS485
3DUDPHWHU
PZD mapping from parameter P2019
6WDUWRIWH[W
/HQJWK
$GGUHVV
3DUDPHWHU,'YDOXH
3URFHVVGDWD
%ORFNFKHFNFKDUDFWHU
6WDWXVZRUG
0DLQDFWXDOYDOXH
PZD
PKW
3
Index:
[0]
Transmitted word 0
[1]
Transmitted word 1
...
...
[7]
Transmitted word 7
Note:
If r0052 not indexed, display does not show an index (".0").
P2021
Modbus address
1 - 247
1
T
-
-
U16
2
Sets unique address for inverter.
P2022
Modbus reply timeout
[ms]
0 - 10000 1000
U, T
-
-
U16
3
The time in which the inverter 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 - 2
1
T
-
-
U16
1
Select the protocol which runs on the RS485 link.
0
None
1
USS
2
Modbus
Notice:
After changing P2023, powercycle the inverter. 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.