Dpi parameter object, Class code, Instances – Rockwell Automation 25B PowerFlex 525 Embedded EtherNet/IP Adapter User Manual
Page 141: Class attributes, Class code instances
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Rockwell Automation Publication 520COM-UM001B-EN-E - March 2013
141
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 interface
(1)
(1) Interface is the current interface being used to access the information. Note: If using the embedded EtherNet/IP adapter, this
instance range contains the same data as Drive 0.
Instances 0...1023 in the interface
(1)
0x4400...0x47FF
17408...18431
DSI
Instances 0...1023 in Drive 1
0x4800...0x4BFF
18432...19455
Option
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 Option
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
4
Get
NVS Link Value Checksum
UINT
Checksum of parameter links 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 = DSI
8
Get
First Parameter Processing Error
UINT
The first parameter that has been written with a value outside of its range. A
“0” indicates no errors.
9
Set
Link Command
USINT
0 = No Operation
1 = Clear All Parameter Links (This does not clear links to function blocks.)