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Profibus Device Data
5.2 Slave User Parameter
By changing the slave user parameter value, you can use the byte swapping function (byte inversion
function).
Setting "1" at Address 1H (Bit 0) makes the byte swapping function valid.
Since "-" is an unused bit, set "0".
Address
Function
0
H
For maker setting (Value should be "1" fixed.)
1
H
15
Bit
14
Bit
13
Bit
12
Bit
11
Bit
10
Bit
9
Bit
8
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
Bit
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0:Byte swapping invalid
1:Byte swapping valid
Example
WORD
01
H
02
H
WORD
03
H
04
H
Master
Slave
command request
WORD
05
H
06
H
WORD
07
H
08
H
Master
Slave
•
Byte swapping invalid (address1
H
(Bit0)=0)
WORD
02
H
01
H
WORD
04
H
03
H
Master
Slave
command request
WORD
06
H
05
H
WORD
08
H
07
H
Master
Slave
command response
•
Byte swapping valid (address1
H
(Bit0)=1)
The data is byte swapped in the slave to be a receiving/sending data.
command response
