C.8 mdi parameter object – Rockwell Automation MD65 EtherNet/IP Communication Module User Manual

Page 150

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C-22

EtherNet/IP Communications Module

C.8 MDI Parameter Object

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

Hexadecimal

Decimal

0x93

147

Instances (Dec.)

Single-Drive Mode

Multi-Drive Mode

0 - 16383

Instances 0 - 16383 in the drive

Instances 0 - 16383 in the drive

16384 - 17407

Instances 0 - 1023 in the module

Instances 0 - 1023 in the module

17408 - 18431

Instances 0 - 1023 in the module

Instances 0 - 1023 in Drive 1

18432 - 19455

Instances 0 - 1023 in the slave

Instances 0 - 1023 in Drive 2

19456 - 20479

Not supported

Instances 0 - 1023 in Drive 3

20480 - 21503

Not supported

Instances 0 - 1023 in Drive 4

21504 - 22527

Not supported

Instances 0 - 1023 in the module

Attribute

ID

Access

Rule

Name

Data Type

Description

0

Get

Number of
Instances

WORD

Number of parameters in the device

1

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.

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