Lila, Single parameter services, Single parameter get_attribute single service – GE Industrial Solutions OKCV3000CN DeviceNet User Manual
Page 23
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DeviceNet
04 is the attribute to which the service is addressed
801e is the index of the word to read (to be ANDed with 7fff) (first FWA word: index 0001)
01 is the Extended Protocol ID
0004 is the number of words to be written
0000..0003 are the values to write
From server to client:
Client
Server
00,99,0004,OOle
where:
00 is the destination MACID
99 is the code
of
“Set_Member” service response
0004 is the number of words written
001e is the index of the first word written (first FWA word: index 0001)
4.2.2. Single Parameter services
There are 2 services related to Single Parameter
4.2.2.1. Single Parameter Get_Attribute Single service
With this service it is possible:
-
to read the value of any drive parameter
-
to read the value of any DGFC parameter
-
to read the value of many attributes associated with DGFC parameters.
Drive parameters keep their own identifier.
DGFC parameters have their own identifier added with
40000dec
(parameter 1 of DGFC must be accessed as
40001)
The possible attributes that can be read are:
#1
->
value
#4
->
descriptor
#5
->
data type
#6
->
data size
#7
->
parameter name string
#8
->
units string
#10
->
minimum value
#11
->
maximum value
#12
->
default value
LilA
HOW TO CONFIGURE WITH DEVICENET