Class attributes, Instance attributes, Common services – Rockwell Automation 1420 PowerMonitor 500 User Manual

Page 77: Get attribute single service, Request parameters, Assembly object instances, Class attributes instance attributes

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Rockwell Automation Publication 1420-UM001D-EN-P - September 2013

77

PowerMonitor 500 EtherNet/IP Device Profile

Appendix C

Class Attributes

Instance Attributes

Common Services

Get Attribute Single Service

The Get Attribute Single service returns the single attribute specified by the

parameter Attribute ID.

Request Parameters

Assembly Object Instances

The communication module's Assembly Object supports nine instances

(instances 100d to 108d). The Data attributes of these instances can be accessed

via Class 1 scheduled connections and via Class 3 or UCMM unscheduled

connections.

The tables in

Chapter 4

define the size and content of the Data attribute for each

Assembly object instance.

Attr ID

Access

Name

Data Type

Default Value

0x01

Get Revision

UINT

2

0x02 Get Max

Instance

UINT

108d

0x03

Get

Number of Instances

UINT

9

0x04

Get

Optional Attributes List

STRUCT of UINT
ARRAY of UINT

0x0001,
{0x0004}

0x06

Get

Maximum ID Number Class
Attributes

UINT 7

0x07

Get

Maximum ID Number Instance
Attributes

UINT 4

Attr ID

Access

Name

Data Type

Default Value

0x03 Get Data Instance

Dependent

(1)

(1) See

Chapter 4

for more information.

All of the member data packed
into one array.

0x04

Get

Size

Size (in bytes) of the Data attribute

Instance Dependent

(1)

Service Code

Class/Instance Usage

Service Name

0x0E Class/Instance

Get

Attribute

Single

Parameter

Data Type

Description

Attribute ID

UINT

Identifies the attribute to be read / returned

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