Pdc a, 1st byte pdc, 2nd byte pdc – GE Industrial Solutions 6KCV300lNS User Manual
Page 16: 3rd byte pdc, 4th byte pdc, Nth byte pdc
GEI- 100445
The
Input data Descriptor>> communication object (input data for the Master) determines the drive
parameter assigned to the Bytes of the Process Data Channel . The
Output data Descriptor),
communication object (output data for the Master) determines the Bytes of the Process Data Channel
assigned to the drive parameter.
The assignment of the drive parameters to the Bytes of the Process Data Channel is performed through the
index and the subindex of the parameter itself. The dimension of the structures
Input data Descriptor,,
and
Output data
depends on the length of the Process Data Channel, which in the case of
the
card is three Words. In the first element of these two objects you can find the length (in
Bytes) of the Process Data Channel.
There is the possibility to assign to the Process Data Channel different drive parameters with different
dimensions, except Byte parameters.
Output data descriptor in a Process Data Channel:
PDC OUTPUT DATA DESCRIPTOR
l
PDC
. . . . . . . . . .
. . . .
202A
l l
*
.
. . . . . . . . . .
l
* 1st Byte PDC
. .
00 l **
. . . . . . . . . . . . . . . . .
. . . . . . . . . .
.
. .
0000 l l *
.
.
. . . . . . . . . .
l
* 2nd Byte PDC
.
. . . .
00 l **
.
. . . . . . . . . .
.
. . . .
l
.
.
l . . . . . . . . .
l
* 3rd Byte PDC
.
. .
00 l *-
.
. ..*....
. ..*......
.
.
. .
0000 l l -
.
.
.
. . . . . . . . . .
l
* 4th Byte PDC
.
.
. . . .
00 l *’
. . . . . . .
. . . . . . .
. . . . . . . .
.
. l
.
.
. . .
C . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . .
l
* nth Byte PDC
.
l
.
.
.
. . .
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . .
Ref.
R a m p
Speed
NOTE:
The meaning of the parameters with index 0000 is that the Byte is not assigned as it is already
occupied by the previous parameter.