Plc-5 example, Plc-5 example -11 – Rockwell Automation 22-COMM-D DeviceNet Adapter User Manual
Page 67

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