GE Industrial Solutions OKCV3000CN DeviceNet - Manual (Page 21)

DeviceNet
From server to client:
Client Server
00,90
where:
00 is the destination MACID
90 is the code of “Set_AttributeSingle” service response
4.2.1.3. FixedWordArea Get Member service
With this service it is possible to read one or more words of the FixedWordArea.
Following is an encoding example for the protocol to read one word:
From client to server:
Client
->
Server
01,18,64,01,04,OOle
where:
01 is the destination MACID
18 is the code of “Get_Member” service request
64 is the class to which the service is addressed
01 is the instance to which the service is addressed
04 is the attribute to which the service is addressed
001e is the index of the word to read (first FWA word: index 0001)
From server to client:
Client Server
00,98,OOle,0000
where:
00 is the destination MACID
OOle is the index of the word to read (first FWA word: index 0001)
98 is the code of “Get_Member” service response
0000 is the word read
Following is an encoding example for the protocol to read two or more consecutive words:
From client to server:
Client
->
Server
01,18,64,01,04,801e,01,0004
where:
01 is the destination MACID
18 is the code of “Get_Member” service request
64 is the class to which the service is addressed
01 is the instance to which the service is addressed
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 read
EPA
HOW TO CONFIGURE WITH DEVICENET