
DeviceNet Objects
C-25
The PLC data in this example is for a Get_Attributes_Scattered of
SP600 parameters; Output Freq (1), Output Current (3), and Ouptut
Voltage (6) from a device at node address 1.
Request Data for Get_Attributes_Scattered
Request Response
Word 0
TXID Command TXID Status
29 Pad Word Not Used
30 Not Used Not Used
Word 31 Not Used Not Used
Address
Value
(hex) Description Refer to ...
N30:0 0101 TXID = 01, Command = 01 (execute) Section 7.3
N30:1 0018 Port = 00, Size = 24 bytes (18 hex) Section 7.3
N30:2 4B01 Service = 4B (Get_Attributes_Scattered) Page C-24
Address = 01 (Node Address) Section 7.3
N30:3 0093 Class = 93 (DPI Parameter Object) Page C-19
N30:4 0000 Instance = Class Attributes (drive) Page C-19
N30:5 0000 Attribute (not used for this service) Page C-19
N30:6 0001 Parameter Number 1
N30:7 0000 Pad Word
N30:8 0000 Pad Word
N30:9 0003 Parameter Number 3
N30:10 0000 Pad Word
N30:11 0000 Pad Word
N30:12 0006 Parameter Number 6
N30:13 0000 Pad Word
N30:14 0000 Pad Word
Comentarios a estos manuales