Instance attributes, Common services – Rockwell Automation 1203-GK5 DeviceNet Communications Module FRN 1.xxx-3.xxx User Manual

Page 99

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DeviceNet Objects (Class Code 0x07 — Register Object)

C-9

Instance Attributes

Setting of an assembly attribute can only be accomplished through a
connection. This feature is to prevent accidental control of the
SCANport product.

Common Services

Attribute

ID

Access Rule

Name

Data

Type

Description

1

Get

Bad Flag

BOOL

If set to 1, then attribute 4
may contain invalid, bad or
otherwise corrupt data.
0 = good
1 = bad

2

Get

Direction

BOOL

Direction of data transfer
0 = Producer Register
1 = Consumer Register

3

Get

Size

UINT

Size of register data in bits

4

Conditional

Data

ARRAYof

BITS

Data to be transferred

The access rule of Set is optional if attribute 2, Direction = 1. If Direction = 0, the
access rule is Get.

Service Code

Implemented for:

Service Name

Class

Instance

0x0E

Yes

Yes

Get_Attribute_Single

0x10

No

Yes

Set_Attribute_Single

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