7 slc example – Rockwell Automation RECOMM-DNET DeviceNet Adapter for use with DPI AC Drives User Manual
Page 78

7-12
DeviceNet Adapter for use with DPI AC Drives
7.7
SLC Example
Data Format for a Read and Write Parameter
The data in this example is for an SP600 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 . . .
N20:10
0101
TXID = 01, Command = 01 (execute)
Section 7.3
N20:11
0006
Port = 00, Size = 06 bytes
Section 7.3
N20:12
0E01
Service = 0E (Get_Attribute_Single)
Page C-10
Address = 01 (Node Address)
Section 7.3
N20:13
000F
Class = 0F (Parameter Object)
Page C-8
N20:14
0065
Instance = Parameter 101 (65 hex)
N20:15
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 . . .
N20:50
0101
TXID = 01, Status = 01 (successful)
Section 7.3
N20:51
0002
Port = 00, Size = 02 bytes
Section 7.3
N20:52
8E01
Service = 8E (successful)
Address = 01 (Node Address)
Section 7.3
N20:53
03E8
Response Data = 1000 (3E8 hex) =
10.00 seconds
Table 7.12 – Request Data for Write to Drive Parameter 101
Address Value (hex)
Description
Refer to . . .
N20:10
0101
TXID = 01, Command = 01 (execute)
Section 7.3
N20:11
0008
Port = 00, Size = 08 bytes
Section 7.3
N20:12
1001
Service = 10 (Set_Attribute_Single)
Page C-10
Address = 01 (Node Address)
Section 7.3
N20:13
000F
Class = 0F (Parameter Object)
Page C-8
N20:14
0065
Instance = Parameter 101 (65 hex)
N20:15
0001
Attribute = 01 (Parameter Value)
Page C-9
N20:16
07D0
Data = 2000 (7D0 hex) = 20.00 seconds
Table 7.13 – Response Data for Write to Drive Parameter 101
Address Value (hex)
Description
Refer to . . .
N20:50
0101
TXID = 01, Status = 01 (successful
transaction)
Section 7.3
N20:51
0000
Port = 00, Size = 00 bytes
Section 7.3
N20:52
9001
Service = 90 (successful)
Address = 01 (Node Address)
Section 7.3