GEFRAN
——————
Interface Board DeviceNet
——————
28
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:
DATA TYPE
FIELD
VALUE
MEANING
Byte
Service Code
10hex
Set_Attribute_Single -
Common Service.
Class ID
68hex
Polling S ->M Configuration
Class Object
Instance ID
01
Polling S ->M Instance ID
Byte
VALUE
XX
Polling S ->M word involved
in the configuration
Word
Word XX Polling
S->M
XXXX
2)
Drive parameter index
assigned to the Polling
S ->M XX word
dn4030
See Note
1)
1)
Byte or Word depending on the type of allocation executed by the Master.
2)
The format of the Drive parameter index is Low Byte – High Byte.
4.1.6.1.2 Write Single Polling S->M Configuration - Reply OK
If the single configuration of the Polling S->M is written correctly, the response is
composed as follows: