User manual

Publication 1756-RM093F-EN-P - January 2010 103
Glossary
Add-On Instruction
An instruction that you create as an add-on to the Logix instruction
set. Once defined, an Add-On Instruction can be used like any other
Logix instruction and can be used across various projects. An Add-On
Instruction is composed of parameters, local tags, logic routine, and
optional scan mode routines.
Assemble Edits
You assemble edits when you have made online edit changes to the
controller program and want the changes to become permanent since
you can test, un-test, or cancel the edits.
Cancel Edits
Action taken to reject any unassembled online edit changes.
CIP Safety Protocol
A network communication method designed and certified for
transport of data with high integrity.
Configuration Signature
A unique number that identifies a device’s configuration. The
configuration signature is made up of an ID number, date, and time.\
Instruction Signature
The instruction signature consists of an ID number, and
date/timestamp that identifies the contents of the Add-On Instruction
definition at a given point in time.
Nonrecoverable Controller Fault
A fault that forces all processing to be terminated and requires
controller power to be cycled from off to on. The user program is not
preserved and must be redownloaded.
Nonrecoverable Safety Fault
A fault, which even though properly handled by the fault handling
mechanisms provided by the safety controller and implemented by
the user, terminates all safety task processing, and requires external
user action to restart the safety task.