Positioners

Digital Valve Controller ND7000


・Can be used for rotary and linear actuators
・SIL 2 certified by TÜV (Acc. to IEC 61508)
・Equipped with self-diagnostics
・Equipped with fail safe function (fully closed/fully open)
・Compatible with HART communication
・Exterior covering enclosure: IP66, NEMA 4X
SeriesEnclosure MaterialAir connection portSupply pressure (MPa)Supply power
ND7100Anodised aluminum alloy
and polymer composite
G1/40.14 to 0.84 to 20 mA
ND7200Anodised aluminum alloy
and tempered glass
NPT1/40.14 to 0.84 to 20 mA


Features

■Key Features

・Benchmark control performance on rotary and linear valves
・Reliable and robust design
・The rugged cover protects the unit from environmental hazards and external abuse
・Easy commissioning and operation
・Safety; SIL 2 certified by TÜV (Acc. to IEC 61508)
・Language selection: English, German and French
・Local/remote operation
・Remote mounting (option)
・Equipped with self-diagnostics
 Self-diagnostics/Deviation trend/Counters/Extended off-line tests


■Minimized process variability

・Linearisation of the valve flow characteristics
・Excellent dynamic and static control
 performance
・Fast response to control signal change
・Accurate internal measurements

■Easy installation and configuration

・Can be used for linear and rotary valves,
 double and single acting actuators
・Simple fast calibration and configuration
 using Local User Interface (LUI)
 using DTM/EDD in a remote location
 using DCS asset management tools
・Low power consumption enables installation
 to all common control systems

■Mounting on actuators and valves

・Mounted on single and double acting actuators
・Both rotary and linear valves
・Ability to attach options to electronics and mechanics later
・One-point calibration feature enables mounting without disturbing the process

■Open solution

・The ND7000 can be freely interfaced with
 software and hardware from a variety
 of manufacturers.
 Using this open architecture allows the
 ND7000 to be integrated with other field
 devices to give higher controllability.
・FDT and EDD based multi-vendor support
 configuration
・Support files for ND7000 are available at the
 following website: www.metso.com/valves


■Product reliability

・Designed to operate in harsh environmental
 conditions
・Rugged modular design
・Excellent temperature characteristics
・Vibration and impact tolerant
・IP66 enclosure
・Protected against humidity
・Wear resistant and sealed components
・Contact less position measurement



■Technical Description

The ND7000 is a 4 to 20 mA powered microcontroller- based digital valve controller.
The device contains a Local User Interface (LUI) enabling local configuration.
The powerful 32-bit microcontroller controls the valve position.




■Self-diagnostics

Self-diagnostics guarantees that all measurements operate correctly.



■Offline Test

ND7000 diagnostics includes four Offline Tests.
The test results can be compared with earlier tests.

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Digital Valve Controller ND7000

  • Product Code: ND7000 Digital Valve Controller
  • Availability: In Stock

Tags: Digital Valve Controller ND7000

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