DeviceNet Network Scanner DVPDNET-SL „ Explanations on devices 3> PLC program M1002 Reset response message editing area & request message editing area M1 ReqID = 01, Command = 01 Port = 00, Size = 08 Service Code = 0E, MAC ID = 02 Class ID to be write= 99 Instance ID to be = 01 written Attribute ID to be = 02 written Data to be written = 0004 4> Program explanations „ In the beginning of the program, clear the response message editing area and request message editing area to 0. „ When M1 = On, DVPDNET-SL will send out request message. Write 0004Hex into Class 99 >> Instance 1 >> Attribute 2 of the target equipment (node address: 02).
If the communication of explicit message is successful, the slave will return with a response message.
DVP-PLC Operation Manual 20 Explanation PLC device Content 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Request message editing area D6250 0101Hex ReqID = 01Hex Command = 01Hex D6251 0005Hex Port = 00Hex Size = 07Hex D6252 0E02Hex Service Code = 10Hex MAC ID = 02Hex D6253 0099Hex High byte of Class ID = 00Hex Low byte of Class ID = 99Hex D6254 0001Hex High byte of Instance ID = 00Hex Low byte of Instance ID = 01Hex D6255 0002Hex N/A Attribute ID = 02Hex D6256 0004Hex High byte of data = 00Hex Low byte of data = 04Hex Response message editing area D6000 0101Hex ReqID = 01Hex Status = 01Hex D6001 0002Hex Port = 00Hex Size = 02Hex D6002 9002Hex Service Code = 90EHex MAC ID = 02Hex D6003 0004Hex High byte of Service Data = 00Hex Low byte of Service Data = 04Hex ZRST D6000 D6031 ZRST D6250 D6281 MOV H0101 D6250 MOV H0008 D6251 MOV H0E02 D6252 MOV H0099 D6253 MOV H0001 D6254 MOV H0002 D6255 MOV H0004 D6256