Manual
Using Explicit Messaging
7-11
7.6 PLC-5 Example
Data Format for a Read and Write Parameter
The data in this example is for an MD65 drive at node address 1.
Refer to section 7.2 for a description of the content of the data file.
Table 7.6 – Request Data for Read of Drive Parameter 39
Address Value (hex) Description Refer to ...
N11:0 0101 TXID = 01, Command = 01 (execute) Section 7.3
N11:1 0006 Port = 00, Size = 06 bytes Section 7.3
N11:2 0E01 Service = 0E (Get_Attribute_Single) Page C-10
Address = 01 (Node Address) Section 7.3
N11:3 000F Class = 0F (Parameter Object) Page C-8
N11:4 0027 Instance = Parameter 39 (27 hex)
N11:5 0001 Attribute = 01 (Parameter Value) Page C-9
Table 7.7 – Response Data for Read of Drive Parameter 39
Address Value (hex) Description Refer to ...
N11:100 0101 TXID = 01, Status = 01 (successful) Section 7.3
N11:101 0002 Port = 00, Size = 02 bytes Section 7.3
N11:102 8E01 Service = 8E (successful),
Address = 01 (Node Address)
Section 7.3
N11:103 0064 Response Data = 1000 100 (64 HEX) = 10.0
seconds
Table 7.8 – Request Data for Write to Drive Parameter 101
Address Value (hex) Description Refer to ...
N11:0 0101 TXID = 01, Command = 01 (execute) Section 7.3
N11:1 0008 Port = 00, Size = 08 bytes Section 7.3
N11:2 1001 Service = 10 (Set_Attribute_Single) Page C-10
Address = 01 (Node Address) Section 7.3
N11:3 000F Class = 0F (Parameter Object) Page C-8
N11:4 0027 Instance = Parameter 39 (27 hex)
N11:5 0001 Attribute = 01 (Parameter Value) Page C-9
N11:6 0064 Data = 100 (64 hex) = 10.0 seconds
Table 7.9 – Response Data for Write to Drive Parameter 101
Address Value (hex) Description Refer to ...
N11:100 0101 TXID = 01, Status = 01 (successful
transaction)
Section 7.3
N11:101 0000 Port = 00, Size = 00 bytes Section 7.3
N11:102 9001 Service = 90 (successful)
Address = 01 (Node Address)
Section 7.3