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metso automation neles NP700 Series User Manual

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POSITIONERS
Series NP
Installation, Maintenance and
Operating Instructions
7 NP 72 en
Issue 5/02
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metso automation neles NP700 Series Specifications

General IconGeneral
Brandmetso automation
Modelneles NP700 Series
CategoryValve Positioners
LanguageEnglish

Summary

INTRODUCTION

Operating principle

Explanation of the force balance principle and air flow.

Technical specifications

Key performance data, ranges, and operating parameters.

MOUNTING ON THE METSO AUTOMATION ACTUATOR

Safety precautions

Critical warnings for safe handling and operation of the positioner.

INPUT SIGNAL AND DIRECTIONS OF OPERATION

Changeover piece

How to set the changeover piece for direct or reverse action.

Cam plate

Explanation of cam plate markings for signal ranges and direction.

PRELIMINARY ACTIONS FOR THE ADJUSTMENT

Position of the changeover piece

Guidance on selecting the correct position (D or R) for the changeover piece.

BASIC ADJUSTMENT

α0-ADJUSTMENT

MAINTENANCE

TROUBLE SHOOTING

TYPE CODE

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