I/o data parameters – Rockwell Automation 1440-VAD02-01RA XM-123 Aeroderivative Module User Manual

Page 82

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Publication GMSI10-UM003D-EN-P - May 2010

74

I/O Data Parameters

The I/O data parameters are used to configure the content and size of the
DeviceNet I/O Poll response message.

Status

Shows the status of the trend data.

Possible status values:

Not collected - No trend data is
currently collected.

Collecting - A trigger has occurred
and data is being collected.

Collected - A trend has been saved
to the buffer and is available to view
and upload.

View Trend Data

Displays a plot of the collected trend data.

Reset Trigger

Resets the trigger if Latch enabled is selected. This
allows the module to overwrite the previous trend
data when the machine speed crosses into the speed
range.

SU/CD Trend Parameters

Parameter Name

Description

Values/Comments

IMPORTANT

The XM-123 must be free of Poll connections when
configuring the Poll Output (Poll Response Assembly)
and Poll Size. Any attempt to download the parameters
while a master device has established the Poll connection
with the XM-123 will result in an error.

To close an existing Poll connection with an XM-440,
switch the XM-440 from Run mode to Program mode.
Refer to Changing Operation Modes on page 89.

To close an existing Poll connection with other master
devices, remove the module from the scan list or turn off
the master device.

I/O Data Parameters

Parameter Name

Description

Values/Comments

COS Size (XM Serial
Configuration Utility only)

The size (number of bytes) of the Change of State
(COS) message.

The COS Size cannot be changed.

COS Output (XM Serial
Configuration Utility only)

The Assembly instance used for the COS message.
The COS message is used to produce the Alarm and
Relay status for the module.

The COS Output cannot be changed.
Refer to COS Message Format on
page 95 for m
ore information.

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