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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.)