Access device data – Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual User Manual

Page 57

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Publication 1769-UM009E-EN-P - August 2009

57

Automatically Configure a DeviceNet Network Chapter 4

Access Device Data

When you add the scanner to the I/O configuration of the controller,
RSLogix 5000 software automatically creates a set of tags for the input, output,
and status data of the network:

The tags for your DeviceNet data follow this format:

input data from the scanner

status data from the scanner

output data for the scanner

location

:type

.Data

IO_offset

.bit

= Optional

Where

Is

location

location of the scanner in the system

If you have the 1769-SDN scanner in a

Then location is

local chassis

Local:slot_number_of_scanner

remote chassis

adapter:slot_number_of_scanner
where:
adapter is the name of the EtherNet/IP or ControlNet module in
the remote chassis.

type

type of data:

Where

Is

input from a device

I

output to a device

O

IO_offset_address

address of the device on the DeviceNet network (based on 4 bytes per node)

bit

specific bit within the data of the device

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