Dpi parameter object, Class code, Instances – Rockwell Automation 20G PowerFlex 755 Drive Embedded EtherNet/IP Adapter User Manual
Page 148: Class attributes
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Rockwell Automation Publication 750COM-UM001E-EN-P - October 2013
Appendix C
EtherNet/IP Objects
DPI Parameter Object
Class Code
To access ‘Host Config’ parameters, use the Host DPI Parameter Object (Class
Code 0x9F).
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
Device
Example
Description
(Hex.)
(Dec.)
0x0000…0x3FFF
0…16383
Host Drive
0
Class Attributes (Drive)
0x4000…0x43FF
16384…17407
Adapter
1
Drive Parameter 1 Attributes
0x4400…0x47FF
17408…18431
Port 1
2
Drive Parameter 2 Attributes
0x4800…0x4BFF
18432…19455
Port 2
…
…
0x4C00…0x4FFF
19456…20479
Port 3
16384
Class Attributes (Adapter)
0x5000…0x53FF
20480…21503
Port 4
16385
Adapter Parameter 1 Attributes
0x5400…0x57FF
21504…22527
Port 5
…
…
0x5800…0x5BFF
22528…23551
Port 6
0x5C00…0x5FFF
23552…24575
Port 7
0x6000…0x63FF
24576…25599
Port 8
0x6400…0x67FF
25600…26623
Port 9
0x6800…0x6BFF
26624…27647
Port 10
0x6C00…0x6FFF
27648…28671
Port 11
0x7000…0x73FF
28672…29695
Port 12
0x7400…0x77FF
29696…30719
Port 13
0x7800…0x7BFF
30720…31743
Port 14
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 = DPI
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.)