Access device data – Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual User Manual
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Publication 1769-UM009E-EN-P - August 2009
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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