Dpi parameter object – Rockwell Automation 1769-SM1 Compact I/O to DPI/SCANport Module User Manual

Page 134

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C-8

CIP/DPI Objects

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

DPI Parameter Object

Hexadecimal Decimal
0x93

147

Number

Description

0

Class Attributes (Drive)

1

Drive Parameter 1 Attributes

2

Drive Parameter 2 Attributes

!

!

16384

Class Attributes (module)

16385

module Parameter 1 Attributes

!

!

Attribute
ID

Access
Rule

Name

Data Type

Description

0

Get

Number of
Instances

WORD

Number of parameters in the device

1

Get/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.)

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