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Baker Hughes Becker Series User Manual

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Becker
Digital Natural Gas
Positioner (DNGP)
Series 3.5 M with Modbus
®
Protocol
Instruction Manual (Rev. C)
Baker Hughes Data Classification : Public

Table of Contents

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Baker Hughes Becker Series Specifications

General IconGeneral
BrandBaker Hughes
ModelBecker Series
CategoryValve Positioners
LanguageEnglish

Summary

About this Guide

Revisions

Lists revisions and their changes.

Disclaimer

Safety Information

Documentation Symbols

Defines documentation symbols used in the manual.

DNGP Product Safety

Provides safety information specific to the DNGP product.

Introduction

Principle of Operation

Explains how the DNGP works.

Scope of Manual

Outlines the manual's content and purpose.

Technical Assistance

Advises on seeking technical support.

Specifications

Technical Specifications

Lists detailed technical parameters and definitions.

Installation

Mounting

Covers mounting procedures for DNGP and DNGP-REM enclosures.

Wire Size Recommendations

Logic Board and Wiring Diagram

Jumpers and Fuses

Orifice Adjustment

2" to 4" Valves Configuration

6" to 12" Valves Configuration

Valves Greater than 16" Configuration

Single-Acting Control Valve, PSUPPLY ≥ 50 PSIG

Single-Acting Control Valve, PSUPPLY < 55 PSIG

Electro-Pneumatic Positioner Pressure Control Override

Flow Control with Electro-Pneumatic Positioner and PCOH High Pressure Override

Double-Acting Control Valve with PCO, PSUPPL ≥ 55 PSIG (High Pressure Override)

Double-Acting Control Valve with PCO, PSUPPL > 55 PSIG (Low Pressure Override)

Single-Acting Control Valve with PCO, PSUPPL ≤ 60 PSIG

Single-Acting Control Valve with PCO, PSUPPL > 55 PSIG

Rotary Piston Spring to Close Actuator with High Pressure 3/2 Solenoid Valve

Rotary Piston Spring to Open Actuator with Pressure Control Override

Rotary Piston Spring Return Actuator with Snap Acting Selector Relay

DNGP with Position Transmitter

Westlock CS and DS Rotary Position Transmitters

Introduces Westlock CS and DS rotary position monitors used with DNGP.

Wiring Diagram for Westlock CS and DNGP

Rotary Transmitter 4-20 mA Calibration Procedure for CS

Wiring Diagram for Westlock DS and DNGP

Rotary Transmitter 4-20 mA Calibration Procedure for DS

LOW Calibration

HI Calibration

Reverse Current Calibration

DNGP with Balluff Linear Transmitter

Linear Transmitter Wiring Diagram for BTL3

Programmable Linear Transmitter Wiring Diagram for BTL5 and BTL7

BTL5 Position Sensor Configuring DNGP Positioner Action

Calibrating the Linear Position Transmitter BTL5

Calibrating the Linear Position Transmitter BTL7

Calibration BTL7

Fine Adjustment of End Points

How to Master Reset BTL7

Replacement Parts for BTL Position Transmitters

DNGP Accessories: Low Pressure 2/2 Solenoid Valve

High Pressure 3/2 Solenoid Valve for Power Gas 60 - 160 PSIG

High Pressure 5/2 Solenoid Valve for Power Gas 60 - 160 PSIG

Software Functionality

Run Time Screen

Explains the DNGP's real-time feedback screen and its symbols.

Current Loop Mode

Describes operation with a 4-20 mA input signal.

Digital Mode

Input Configuration Menu

Input Select

How to select input type (4-20mA, Digital, Modbus).

Split Control

Procedure for enabling split range control and setting limits.

Valve Actions Menu

Bypass Mode

Controls solenoids for full open/closed states, useful for globe valves.

Pulse Mode

Used for underdamped systems like compressor recycle valves.

Logging and Alarms Menu

Limit Alarms

Setting upper and lower alarms for valve operation.

Remote Indicator

Reset Solenoid Counter

How to reset the DNGP solenoid cycle counter.

Firmware Menu

Version Info

Displays current software version and release date.

Troubleshooting and Maintenance

Troubleshooting the Firmware Cold Restart

Steps to perform a firmware cold restart on the DNGP.

Alarm and Fault Handling

Identifies conditions, responses, and actions for DNGP alarms and faults.

DNGP Leak Test Procedure

Replacing the Electronic Module of the Programmable Linear Transmitter

Valve Maintenance Instructions

Gas Line Filter

2/2 and 3/2 Solenoid Valve Maintenance and Troubleshooting Instructions

Causes of Improper Operation

Direct Sales Office Locations

Tech Field Support & Warranty

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