
Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013 145
EtherNet/IP Objects Appendix C
DPI Parameter Object
Class Code
Instances
The number of instances depends on the number of components in the device.
The total number of components can be read in Instance 0, Attribute 0.
Class Attributes
Hexadecimal Decimal
0x93 147
Instances (Hex.) Instances (Dec.) Single-Drive Mode Multi-Drive Mode
0x0000...0x3FFF 0...16383 Instances 0...1023 in the drive Instances 0...1023 in Drive 0
0x4000...0x43FF 16384...17407 Instances 0...1023 in the adapter Instances 0...1023 in the adapter
0x4400...0x47FF 17408...18431 Instances 0...1023 in the DSI device Instances 0...1023 in Drive 1
0x4800...0x4BFF 18432...19455 Instances 0...1023 in the adapter Instances 0...1023 in Drive 2
0x4C00...0x4FFF 19456...20479 Not supported Instances 0...1023 in Drive 3
0x5000...0x53FF 20480...21503 Not supported Instances 0...1023 in Drive 4
0x5400...0x57FF 21504...22527 Not supported Instances 0...1023 in the adapter
Attribute ID Access Rule Name Data Type Description
0 Get Number of Instances UINT Number of parameters in the device
1 Set Write Protect Password UINT 0 = Password disabled
n = Password value
2 Set NVS Command Write USINT 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
4 = Partial defaults
5 = System defaults
3 Get NVS Parameter Value Checksum UINT Checksum of all parameter values in a user set in NVS
5 Get First Accessible Parameter UINT First parameter available if parameters are protected by passwords. A “0”
indicates all parameters are protected.
7 Get Class Revision UINT 2
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