56 EMTX-SVX01G-EN
Glossary
I
Identify
The Identify command locates the device you selected
in the Active Group tree. Rover prompts you to press
the service pin button on the device. When Rover
receives the message from the device, the device is
selected in the Active Group tree.
Image File
A file that holds the firmware for a particular version of
a controller. Image files are required to perform a flash
download. The firmware revision number is included in
the file name. Image files can have NXE, IMG, or XIF
file name extensions. See also Flash Download Wizard.
Inch-pound (I-P) Units
Units of measurement often used in the United States.
These include degrees Fahrenheit, inches, and gallons.
International System of Units (SI)
Units of measurement including meters, kilograms,
liters, and others. The acronym SI comes from the
French name Système International d’Unités.
L
Last Reset
The cause of the device last reset, such as a power fail-
ure or a software command.
Link
The communications wire that connects devices to
other devices or to Rover.
LonTalk Link
Any physical network made up of devices that commu-
nicate using the LonTalk.
Lost Message
Application messages lost between the Neuron pro-
cessor and ROM chip(s). Lost messages occur when
too many messages are sent to the device and the
device Neuron processor cannot handle all the mes-
sages coming in.
M
Missed Messages
Messages that require acknowledgment but have not
received acknowledgment after three requests.
Most Recent Error
A numerical value showing the most recent error the
device detected while communicating on the network.
This error does not mean the device is not working
properly. A most recent error is used for
troubleshooting.
N
Network Variable
A device input or output data item. Network variables
enable a device to exchange data values with other
devices on the network.
Neuron ID
The Neuron ID is a unique identifying number assigned
by the manufacturer to identify every device produced.
Node ID
The unique logical location assigned for a device on the
network domain and in the logical subnet.
Not Communicating
The operational state of a device when it is not
communicating on the network.
O
Offline
The operational state of a device in which it remains
available on the Rover communications link for
troubleshooting activities but is not transmitting
messages.
Offline Editing
The ability to edit Rover configuration files (RCFs) while
not connected to a live controller. The Rover
Configuration Builder is the tool used for offline editing.
Only the Tracer MP580/581 programmable controller
supports offline editing.
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