13 Glossary
13-10 *) Component of the Freelance 2000 System
Monitor Display unit for operator station and engineering station. Available with a
17 " or 21 " CRT (diagonal measurement).
Monitor cable Cable linking the monitor with the PC central unit. Included in the scope
of delivery of the monitor. Also called VGA cable.
Mouse Input device for operator and engineering station. Track ball and touch
pad to IP54 or IP65 are available on request.
Multisync Monitor providing self-synchronization to adapt to different input signals.
MUX Multiplexer
MS Windows NT Graphical user interface
-N-
NAMUR Abbreviation for "Normen-Ausschuß Meß- und Regeltechnik" (German
standardization committee for control technology). Committee working
our guidelines and recommendations for performance features of
electrical apparatus. Mainly used in the chemical industry.
Network concentrator Used for linking fiber optic cables with each other or with other network
cables in a star-like manner. Consists of a rack with power supply and
network concentrator modules. Additional modules for 10Base2,
10Base5, 10BaseT, and AUI.
Network concentrator module Module plugged in a network concentrator rack. Modules for fiber optic,
10Base5, 10Base2 and 10BaseT network cables as well as a module for
direct connection of AUI network cables are available.
-O-
Operator station PC with MS Windows and DigiVis software. Used for operation and
monitoring, alarms, trends, archives, and reports.
Optical Time Domain
Reflectometer (OTDR)
→ Time Domain Reflectometer (TDR).
Optocoupler Component for electrical isolation of digital electrical signals.
OTDR Optical Time Domain Reflectometer
→ Time Domain Reflectometer