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Glossary
Emergency Stop
2 MagneMotion
Rockwell Automation Publication MMI-UM002E-EN-P - March 2016
Emergency Stop: A user-supplied circuit with a locking button that anyone can press to stop
motion in the transport system. It may be wired through the Digital I/O ports
on the NC-12
Node Controller .
EMO: See Emergency Off .
Forward Direction: The default direction of movement, from Upstream to Downstream , on a Mag-
neMotion transport system.
Global Directives: The Demonstration Script commands that define the general operating charac-
teristics for all vehicles specified. See also Vehicle Directives .
Ground: The reference point in an electrical circuit from which voltages are measured.
This is typically a common return path for electric current. See also
PE .
Guideway: A component of the Track System that consists of rails or other devices in con-
tact with the Vehicle , either through wheels or low friction runners on the vehi-
cle, to ensure the vehicles are maintained in the proper relationship to the
motors. In the MagneMover LITE transport system this is the integral rails
mounted on the motors.
High Level Controller: The application in a Node Controller that communicates with the Host Con-
troller. In a transport system with only one Node Controller, it runs both the
Node Controller and High Level Controller applications.
HLC: See High Level Controller .
HLC Control Group: The portion of a multi-HLC LSM transport system under control of a specific
HLC.
Host Application: The user’s software, running on the Host Controller, that provides monitoring
and control of the transport system.
Host Controller: The user-supplied controller for the operation of the transport system. The con-
troller may be either a
PC-Based Controller or a Programmable Logic Con-
troller .
Host Control Session: A user session between an application running on the Host Controller (such
as the NCHost TCP Interface Utility) and a High Level Controller that allows
the user to issue commands to control all aspects of Transport System opera-
tion as well as to actively monitor Transport System status.
Host Status Session: A user session between an application running on the Host Controller (such as
the NCHost TCP Interface Utility) and a High Level Controller that only
allows the user to actively monitor Transport System status.
ID: The software labels used to uniquely identify various components of the trans-
port system to ensure proper execution of commands involving vehicle posi-
tion, vehicle destination, and transport system configuration. ID types include
vehicle and Path.
Interlock: A user-supplied circuit used to stop motion in the transport system. It is wired
through the Digital I/O ports on the NC-12
Node Controller .