GE Industrial Solutions 6KCV300DVN - Manual (Page 33)

6KCV300DVN
4 33
—————— POLLING FUNCTION ——————
4.1.4 Common services
Class Instance
01
hex
Get_Attribute_All Reads the indexes of the drive
parameter assigned to all
Polling S->M word
02
hex
Set_Attribute_All Writes the indexes of the
drive parameter assigned to
all Polling M->S word
0E
hex
Get_Attribute_Single Reads the index of the drive
parameter assigned to Polling
S->M word
10
hex
Set_Attribute_Single Writes the index of the drive
parameter assigned to Polling
S->M word
dn4020
Service Name Description of Service
n/a Required
Service
Code
Need in
implementation
4.1.5 Object specific services
This object has no special services.
4.1.6 Behavior
This object allows to assign Drive parameters to the 4 Words of Polling S->M
in order to read the parameter’s values cyclically from the Master. The
assignment of the Drive parameter is accomplished through the parameter index;
if the parameter for any reason cannot be assigned to the Word of Polling S-
>M, an error code will be returned.
4.1.6.1 Write Polling S->M configuration
In this example is shown the writing of the Polling S->M-configuration; the
cases of positive or wrong writing are distinguished. Furthermore the cases of
the writing of a single attribute and the writing of the entire attribute are
illustrated.
4.1.6.1.1 Write Single Polling S->M configuration
The data frame for the writing of the single configuration of the Polling S->M
is composed as follows: