Rockwell Automation DeviceNet Communications Module - Manual (Page 73)

Using Explicit Messaging 7-13
7.7 SLC 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 7.10 – Request Data for Read of Drive Parameter 101
Address Value (hex) Description Refer to ...
N9:10 0101 TXID = 01, Command = 01 (execute) Section 7.3
N9:11 0006 Port = 00, Size = 06 bytes Section 7.3
N9:12 0E01 Service = 0E (Get_Attribute_Single) Page C-10
Address = 01 (Node Address) Section 7.3
N9:13 000F Class = 0F (Parameter Object) Page C-8
N9:14 0027 Instance = Parameter 39 (27 hex)
N9:15 0001 Attribute = 01 (Parameter Value) Page C-10
Table 7.11 – Response Data for Read of Drive Parameter 101
Address Value (hex) Description Refer to ...
N9:50 0101 TXID = 01, Status = 01 (successful) Section 7.3
N9:51 0002 Port = 00, Size = 02 bytes Section 7.3
N9:52 8E01 Service = 8E (successful)
Address = 01 (Node Address) Section 7.3
N9:53 0064 Response Data = 100 (64 hex) = 10.0 seconds
Table 7.12 – Request Data for Write to Drive Parameter 101
Address Value (hex) Description Refer to ...
N9:10 0101 TXID = 01, Command = 01 (execute) Section 7.3
N9:11 0008 Port = 00, Size = 08 bytes Section 7.3
N9:12 1001 Service = 10 (Set_Attribute_Single) Page C-10
Address = 01 (Node Address) Section 7.3
N9:13 000F Class = 0F (Parameter Object) Page C-8
N9:14 0027 Instance = Parameter 39 (27 hex)
N9:15 0001 Attribute = 01 (Parameter Value) Page C-9
N9:16 0064 Data = 100 (64 hex) = 10.0 seconds
Table 7.13 – Response Data for Write to Drive Parameter 101
Address Value (hex) Description Refer to ...
N9:50 0101 TXID = 01, Status = 01 (successful transaction) Section 7.3
N9:51 0000 Port = 00, Size = 00 bytes Section 7.3
N9:52 9001 Service = 90 (successful)
Address = 01 (Node Address) Section 7.3