Publication 2711-UM014B-EN-P
Glossary 6
SLC
An Allen-Bradley programmable controller with a name that has the
prefix SLC.
SMAX
Highest ControlNet node address which can communicate during the
scheduled portion of the network update interval.
subnet mask
A 32 value forming the PanelView terminal’s subnet mask. This
parameter interprets IP addresses when the EtherNet/IP network is
divided into multiple networks. The IP address is formatted as four
sets of decimal numbers (0 to 255) with periods between them
(130.200.25.30).
tap
Hardware component that connects devices to the ControlNet trunk
cable.
touch cell
1 of 128 or 384 rectangular areas on the terminal display that can
sense when touched.
touch screen
The display window of the terminal that responds when touched.
trunk cable
Bus or central part of a cable system.
unscheduled messages
Messages that are sent on an as needed basis. Unscheduled messages
are sent during the unscheduled portion of the network update
interval.
UMAX
Highest ControlNet node address which can communicate during the
unscheduled portion of the network update interval.
upload/download
Commonly referred to the reading/writing across a link relatively large
blocks of data from one device to another. Whether it is considered an
upload or download may depend upon whether it is a read or write
and upon which device initiates the transaction. When data is
transferred to a programming device, it is considered an upload.
When data is transferred from a programming device, it is considered
a download.
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