8
NDX VALVE CONTROLLER
3.1
INTRODUCTION TO NELES® NDX INTELLIGENT
VALVE CONTROLLER
Metso’s Neles NDX is the next generation intelligent valve
controller working on all type of control valves and in all
industry areas. It guarantees end product quality in all
operating conditions with incomparable performance,
unique diagnostics, and years of reliable service. The NDX
is a futureproof investment with lifetime support for
asset management.
3.2
KEY FEATURES
•
Reliable and robust design
•
Industry leading pneumatic capacity
•
Benchmark control performance
•
Simple and fast installation and commissioning
•
Local / remote operation
•
Wide language support
•
Expandable architecture
•
HART 6/7 communication as standard
•
Advanced device diagnostics including
þ Selfdiagnostics
þ Online diagnostics
þ Performance diagnostics
þ Communication diagnostics
þ Extended offline tests
þ Performance view
þ Online Valve Signature
•
Extended offline test capabilities
•
Worldwide support for hazardous area approvals
Total cost of ownership
•
Fast and reliable installation process
•
Low energy and air consumption
•
Easy to use diagnostics simplify determining when
valve maintenance is required
•
Inherent high air capacity eliminates additional
instrumentation
•
One positioner that fits to all control valves; small
and big, rotary and linear, single and double acting
•
Available for intrinsically safe and flameproof
applications
Minimized process variability
•
Linearization of the valve flow characteristics
•
Excellent dynamic and static control performance
•
Fast response to control signal change
•
Accurate internal measurements
Fig.1
Easy installation and configuration
•
Simple / fast configuration and calibration using one
of the following:
þ Standard Local User Interface (LUI) accessible
without opening the device cover
þ LUI can be rotated according to mounting
position
þ Distributed Control System (DCS) asset
management program
•
Backwards compatible with retrofit kits for easy
replacement of Metso NE700 and ND9000 positioners.
•
Easy retrofit to an extensive list of 3rd party valves
•
Installation to all common control systems
Open solution
•
Metso is committed to delivering products that
freely interface with software and hardware from a
variety of manufacturers; NDX is no exception. This
open architecture allows the NDX to be integrated
with other field devices to give an unprecedented
level of controllability.
•
FDT and EDD based multivendor support
configuration
•
Support files for NDX are available for free download
from www.metso.com/ndx
NDX mounting on actuators and valves
•
Supports all single and double acting pneumatic
actuators
•
Both rotary and linear valves
•
Guided startup and automatic/manual/1point
calibration
3
PRODUCT SUMMARY
