DIGIVEX Motion - PROFIBUS
14
PVD 3554 GB 01/2004
2.5 PKW Profidrive V2.0 mechanism for processing
parameters
Parameter area (PKW)
The PKW mechanism is used to manipulate and observe (write / read) parameters as follows:
Condition:
PPO type 1 for DIGIVEX Motion in accordance with PROVIdrive Profile V2.0
The parameter area always contains 4 words.
Parameter
identifier
(PKE)
1
st
word
Bit no.
15
12
11
10
0
AK
0
PNU
Parameter
identifier
(IND)
2
nd
word
Bit no.:
15
8
7 5
4
0
SSIND
0
PNUE
Parameter
value
(PWE)
High
order word
(PWE1)
3
rd
word
Low
order word (PWE2)
4
th
word
AK: Request and/or response identifier
PNU: Parameter number
Parameter identifier (PKE), 1
st
word
The parameter identifier (PKE) is always a 16-bit value.
Bits 0 - 10 (PNU) contain the low order parameter number required.
Bit 11 is reserved.
Bits 12 - 15 (AK) contain the request and/or response identifier.
The meaning of the request identifier is shown in the 1
st
table below.
The meaning of the request identifier for response telegrams (drive
→
master), is shown in the
2
nd
table below. Only certain response identifiers are possible according to the request identifier.
An error code is put in parameter 2 value (PWE2) as shown in the 3
rd
table below when the value
of the response identifier is 7 (request cannot be processed).
Содержание DIGIVEX Motion PVD 3554
Страница 25: ...DIGIVEX Motion PROFIBUS 23 PVD 3554 GB 01 2004...