2.12 Process data control
2.12.7 PA_SELECT
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2.12.7 PA_SELECT
Process Output Data - Description.
This parameter contains the data that define which process output data are emulated on which communication objects.
Communication objects which can be emulated on PA data are designated in the respective object descriptions.
Object Description
Index
0x6001
Symbol
PA_SELECT
Access groups
0
Object code
Record
Password
0
Data type
PDB structure
Access rights
read/write all
PD Map
not possible
Data Description
Sub-index Assignment Data type Length
1 Length of the process data channel Unsigned 8 1
2
Device parameter index, which assigns 1
st
(3
rd
)
7
PA data byte
Unsigned16 2
3 Device parameter sub-index, which assigns 1
st
(3
rd
) PA data byte Unsigned 8 1
4 Device parameter index, which assigns 2
nd
(4
th
) PA data byte Unsigned16 2
5 Device parameter sub-index, which assigns 2
nd
(4
th
) PA data byte Unsigned 8 1
6 Device parameter index, which assigns 3
rd
(5
th
) PA data byte Unsigned16 2
7 Device parameter sub-index, which assigns 3
rd
(5
th
) PA data byte Unsigned 8 1
8 Device parameter index, which assigns 4
th
(6
th
) PA data byte Unsigned16 2
9 Device parameter sub-index, which assigns 4
th
(6
th
) PA data byte Unsigned 8 1
10 Device parameter index, which assigns 5
th
(7
th
) PA data byte Unsigned16 2
11 Device parameter sub-index, which assigns 5
th
(7
th
) PA data byte Unsigned 8 1
12 Device parameter index, which assigns 6
th
(8
th
) PA data byte Unsigned16 2
13 Device parameter sub-index, which assigns 6
th
(8
th
) PA data byte Unsigned 8 1
Example
The object "LAGE_ZIEL" must be emulated on the PA data.
PD-Length
≤
≤≤
≤
6:
The 1
st
data byte from "LAGE_ZIEL" assigns the 2
nd
byte of the PA data; the 3
rd
,4
th
, 5
th
data byte the others.
PD-Length = 6:
The 1
st
data byte from "LAGE_ZIEL" assigns the 4
th
byte of the PA data; the 5
th
,6
th
, 7
th
data byte the others.
Service
Write request
Index
0x6001
1. data byte
0x60
Command Code
0x8082
Sub-index
0x04
2. data byte
0x7a
Param. counter
5
Length
2
7
The PD numbers in brackets are valid for a PD length of 8 byte (P196 Bit 0...2 = "4").