Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual User Manual

Page 58

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Publication 1747-RM623D-EN-P - June 2006

B-2 Use CIP Messaging to Access Local Database and ControlNet Data Files

Assembly Object Instance Numbers Supported for Get and
Set Member on Data Attribute

The following table lists assembly object instance numbers
supported for Get and Set Member services.

These rules apply to all Set Member or Get Member services on
the Assembly Object.

• Set Member and Set Attribute services on the discrete Input

data file are rejected if the SLC processor is in Run mode
(no write access).

• Set Member and Set Attribute services on the discrete

Output data file are always rejected (no write access).

• Set Member and Set Attribute services on the M0 and M1

files are always accepted (regardless of SLC processor
mode).

SLC File

Word Offset

Contents

Assembly
Object
Instance
Number

Member
Number
Range

Input

0…31

ControlNet
Input Data

6

1…32

Output

0…31

ControlNet
Output Data

5

(1)

(1)

Instance 5 does not support Set Member service (no write access).

1…32

M1

0…607

ControlNet
Input Data

8

1…608

M0

0…1650

ControlNet
Output Data

7

1…1651

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