Rockwell Automation DeviceLogix System User Manual User Manual

Page 191

Advertising
background image

Publication RA-UM003B-EN-P - February 2010

191

RSNetWorx for DeviceNet Software and the DeviceLogix Editors Appendix B

To see the layout of the consumed I/O assembly for your
chosen device, refer to the Technical Data publication for that
device.

Determine Comm Status Override

The Comm Status Override parameter controls whether local logic
should control outputs when no active I/O connection exists with the
device. You determine if the communication status override is enabled
or disabled.

The Comm Status Override parameter is used to override normal
behavior during the following events.

Comm Status Override Overview

Event

Behavior with Comm
Status Override
Parameter Disabled

Behavior with Comm
Status Override
Parameter Enabled

Communications not
established (module not on
line).

- OR -

The module is on line but has
no connections.

Output remains in the
Available state until an I/O
connection is established.

Local logic updates output
values.

An I/O connection transitions
to timed out state.

Output value is updated
based on the output’s Fault
Action and Fault Value
parameters.

Local logic continues to
update output values.

An I/O connection is deleted. Output enters the Available

state until a new I/O
connection is established.

Local logic continues to
update output values.

An Idle is received.

Output value is updated
based on the output’s Idle
Action and Idle Value
parameters.

Local logic continues to
update output values.

Advertising