Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx - Manual (Page 207)

DeviceNet Objects C-13
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
DPI Parameter Object Class Code
Instances
The number of instances depends on the number of parameters in the
device. The total number of parameters can be read in Instance 0, Attribute
0.
Class Attributes
Hexadecimal Decimal
0x93
147
Instances (Hex.) (Dec.) Device Example Description
0x0000…0x3FFF 0…16383 Host 0 Class Attributes (Drive)
0x4000…0x43FF 16384…17407 Adapter 1 Drive Parameter 1 Attributes
0x4400…0x47FF 17408…18431 DPI Port 1 2 Drive Parameter 2 Attributes
0x4800…0x4BFF 18432…19455 DPI Port 2 … …
0x4C00…0x4FFF 19456…20479 DPI Port 3 16384 Class Attributes (Adapter)
0x5000…0x53FF 20480…21503 DPI Port 4 16385 Adapter Parameter 1 Attributes
0x5400…0x57FF 21504…22527 DPI Port 5 … …
0x5800…0x5BFF 22528…23551 DPI Port 6
Attribute ID Access Rule Name Data Type Description
0 Get Number of Instances WORD Number of parameters in the device
1 Set Write Protect Password WORD 0 = Password disabled
n = Password
2 Set NVS Command Write BYTE 0 = No Operation
1 = Store values in active memory to NVS
2 = Load values in NVS to active memory
3 = Load default values to active memory
3 Get NVS Parameter Value Checksum WORD Checksum of all parameter values in a user set in NVS
4 Get NVS Link Value Checksum WORD Checksum of parameter links in a user set in NVS
5 Get First Accessible Parameter WORD First parameter available if parameters are protected by
passwords. A ‘0’ indicates all parameters are protected.
7 Get Class Revision WORD 2 = DPI
8 Get First Parameter Processing Error WORD The first parameter that has been written with a value
outside of its range. A ‘0’ indicates no errors.
9 Set Link Command BYTE 0 = No Operation
1 = Clear All Parameter Links (This does not clear links to
function blocks.)