Siemens SINAMICS V20 Operating Instructions Manual page 229
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- Operating instructions manual (426 pages) ,
- Getting started (66 pages) ,
- Manual (40 pages)
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Parameter
Function
Notice:
USS protocol consists of PZD and PKW which can be changed by the user via P2012 and P2013 respec-
tively.
PZD transmits a control word and setpoint or status word and actual values.
The number of PZD-words in a USS-telegram are determined by P2012, where the first two words are
either:
a) control word and main setpoint or
b) status word and actual value.
When P2012 is greater or equal to 4 the additional control word is transferred as the 4th PZD-word (de-
fault setting).
P2013[0...1]
USS PKW length
Defines the number of 16-bit words in PKW part of USS telegram. The PKW area can be varied. Depend-
ing on the particular requirement, 3-word, 4-word or variable word lengths can be parameterized. The
PKW part of the USS telegram is used to read and write individual parameter values.
0
3
4
127
Example:
P2013 = 3
P2013 = 4
P2013 = 127
Index:
[0]
[1]
SINAMICS V20 Inverter
Operating Instructions, 09/2014, A5E34559884
Range
Factory
Can be
default
changed
0 - 127
127
U, T
No words
3 words
4 words
Variable
U16 (16 Bit)
X
X
X
USS / MODBUS on RS485
USS on RS232 (reserved)
Scaling
-
Data type
U32 (32 Bit)
Parameter access fault
X
X
Parameter list
7.2 Parameter list
Data
Data
Acc.
set
type
Level
-
U16
3
Float (32 Bit)
Parameter access fault
X
X
229
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