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Rockwell Automation Publication ICSTT-RM448J-EN-P - April 2018
Glossary
M
manual call point
A component of a fire detection and fire alarm system which is used for the
manual initiation of an alarm.
MODBUS
An industry standard communications protocol developed by Modicon. Used
to communicate with external devices such as distributed control systems or
operator interfaces.
MODBUS object
A representation of the configuration settings for a MODBUS Master or for its
associated slave links, within the AADvance Workbench. The settings include
communication settings and messages.
module locking screw
The AADvance latch mechanism seen on the front panel of each module and
operated by a broad, flat-blade screwdriver. Uses a cam action to lock to the
processor base unit or I/O base unit.
N
NFPA 85
The Boiler and Combustion Systems Hazards Code. Applies to certain boilers,
stokers, fuel systems, and steam generators. The purpose of this code is to
contribute to operating safety and to prevent uncontrolled fires, explosions and
implosions.
NFPA 86
A standard for Ovens and Furnaces. Provides the requirements for the
prevention of fire and explosion hazards in associated with heat processing of
materials in ovens, furnaces and related equipment.
NFPA 87
The code for recommended practice for fluid heaters. This code provides
safety guidance in order to minimize fire and explosion hazards in Type F, Type
G and Type H fluid heating systems including the control system and related
equipment.
O
on-line
The state of a controller that is executing the application software.
OPC
A series of standards specifications which support open connectivity in
industrial automation.
output (Workbench variable)
In the context of an AADvance Workbench variable, this term describes a
quantity passed from the Workbench to a controller.
