Emerson Fisher 3710- User Manual

Emerson Fisher 3710

Emerson Fisher 3710– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Instruction Manual; Introduction; Scope of Manual
  • Page 3 – Table 1. Specifications
  • Page 4 – Hazardous Area Classification for 3710 Positioner
  • Page 5 – Table 3. Input Signal Range; Positioner to Actuator Mountings List; Figure 2. Mounting the Positioner Base Plate
  • Page 6 – Table 4. Positioner to Actuator Mountings; Specifications; Specifications are shown in table 1.; Educational Services; Installing the 3722 Converter; WARNING; Wear protective eyewear, gloves and clothing whenever possible.
  • Page 7 – Do not open where an explosive dust atmosphere is present.; Note; No special conditions for safe use.
  • Page 8 – ATEX; Standards Used for Certification
  • Page 9 – Special Conditions for Safe Use
  • Page 10 – Conditions of Certification; Substitution of components may impair intrinsic safety.; Entity Parameters: Ui; Type n; Disconnect power before opening.; Refer to table 8 for approval information.
  • Page 11 – Installation; Figure 3. Fisher 3722 Electro‐Pneumatic Converter; base plate and clean the ports.; Mounting the Positioner
  • Page 13 – Figure 4. Typical Positioner/Actuator Combinations
  • Page 14 – actuator cover cap screws.
  • Page 15 – Figure 6. Loosening the Cam Locknut
  • Page 16 – Figure 7. Typical Fisher 3710 Positioner Mounted on a 585 Actuator
  • Page 17 – Figure 8. Drive Stud and Roller Bearing Assembly; stem connector at this time.; actuator stem and valve stem.
  • Page 18 – the appropriate travel mark on the feedback lever.; Connections
  • Page 19 – Figure 12. Connections; The conduit connection to the converter is 1/2‐14 NPT.; Supply Connection
  • Page 20 – Supply pressure must not exceed the following limits:; Output Connections; Use 3/8‐inch tubing between the actuator and positioner.; Instrument Connection
  • Page 21 – Figure 13. Mounting the Positioner Base Plate with Purge Tube
  • Page 22 – this hole in the cover plate.; Install the vent screen in the positioner base plate.; Electrical Connection for the 3720 Positioner
  • Page 23 – m) or 4 pounds force per; Figure 15. Circuit Schematic; Diagnostic Connections
  • Page 24 – Figure 16. Diagnostic Connections
  • Page 25 – Calibration; Setting the Initial Cam Position; positioning the actuator.
  • Page 26 – Zero and Span Adjustments; Figure 19. Features and Adjustments
  • Page 27 – Tighten the zero adjustment locknut before proceeding to step 5.; Standard or Beacon Indicator Alignment
  • Page 28 – Figure 20. Standard Indicator; Changing Positioner Action; Wear protective eyewear, gloves, and clothing whenever possible.
  • Page 29 – Vent the actuator loading pressure.; Single‐Acting/Double‐Acting; Figure 21. Output Connections; Use 3/8‐inch tubing between the positioner and actuator.; Direct‐Acting/Reverse‐Acting
  • Page 30 – OUTPUT B. Connect piping from OUTPUT B to OUTPUT A.; Split‐Range Operation; Replace the positioner cover assembly.; Changing the Spool Valve
  • Page 31 – Rather, the summing beam should contact the
  • Page 32 – Figure 22. Spool Valve and Summing Beam; span adjuster assembly.
  • Page 33 – contact with the cam.; Principle of Operation; Figure 23. Fisher 3710 Positioner Schematic
  • Page 34 – Maintenance; on both sides of the valve.; Positioner Maintenance; Replacing the Standard or Beacon Indicator
  • Page 35 – indicator/extension shaft from the positioner cover.; Removing the 3722 Converter; Figure 24. Removing the Converter Mounting Screws; Removing the Positioner
  • Page 36 – Figure 25. Cam Removed Range Spring Free
  • Page 37 – the feedback arm and replace them.; Disassembling the Spool Valve, Action Block, and Gasket
  • Page 38 – Figure 26. Spool Valve Body and Spool; Disassembling the Input Module and Summing Beam Assembly
  • Page 40 – Figure 29. Assembly of Input Module; Assembling the Input Module and Summing Beam Assembly
  • Page 41 – Figure 30. Spool Valve and Summing Beam; Assembling the Spool Valve, Action Block, and Gasket
  • Page 42 – Replacing the Feedback Arm Assembly and Span Adjuster Assembly; Perform the calibration procedures in this manual.; Replacing the Converter Primary O‐Ring and Filter; Key numbers used in this procedure are shown in figure 32.
  • Page 43 – See figure 31 for key number locations.; Assembling the 3722 Converter; the converter module into the housing.
  • Page 44 – supply pressure and a 4 to 20 mA DC input signal.; Parts Ordering; Parts Kits; Parts List
  • Page 46 – Figure 31. Fisher 3710 Components and Subassemblies
  • Page 47 – Figure 31. Fisher 3710 Components and Subassemblies (continued)
  • Page 49 – Figure 32. Fisher 3722 Components and Subassemblies
  • Page 51 – Figure 33. Positioner Mountings
  • Page 54 – Mounting Parts for Mounting; Fittings; Loop Schematics
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Fisher

r

3710 and 3720 Valve Positioners and

3722 Electro-Pneumatic Converter

Contents

Introduction

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scope of Manual

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Positioner to Actuator Mountings List

5

. . . . . . .

Specifications

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Educational Services

6

. . . . . . . . . . . . . . . . . . . . . . . . .

Installing the 3722 Converter

6

. . . . . . . . . . . . . . . . . . .

Hazardous Area Classifications and

Special Instructions for “Safe Use” and
Installation in Hazardous Areas
 for 3722 Converter

7

. . . . . . . . . . . . . . . . . . . . . . .

CSA

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FM

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ATEX

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IECEx

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting the Positioner

11

. . . . . . . . . . . . . . . . . . . . . .

Installing the 3710 or 3720

Pneumatic Positioner on Size 25 or 50
 585 and 585R Actuators

16

. . . . . . . . . . . . . . . . . .

Connections

18

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply Connection

19

. . . . . . . . . . . . . . . . . . . . . . . . . .

Output Connections

20

. . . . . . . . . . . . . . . . . . . . . . . .

Instrument Connection

20

. . . . . . . . . . . . . . . . . . . . . .

Vent Opening, Purge Option, and Actuator

Vent Connection

20

. . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the Purge Tube

22

. . . . . . . . . . . . . . .

Electrical Connection for the 3720

Positioner

22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Connections

23

. . . . . . . . . . . . . . . . . . . . .

Calibration

25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the Initial Cam Position

25

. . . . . . . . . . . . . . .

Zero and Span Adjustments

26

. . . . . . . . . . . . . . . . . .

Standard or Beacon Indicator Alignment

27

. . . . . . . .

Changing Positioner Action

28

. . . . . . . . . . . . . . . . . . . .

Single‐Action/Double‐Action

29

. . . . . . . . . . . . . . . . .

Direct‐Action/Reverse‐Action

29

. . . . . . . . . . . . . . . . .

Split‐Range Operation

30

. . . . . . . . . . . . . . . . . . . . . . .

Changing the Spool Valve

(To Increase Positioner Output Capacity)

30

. . . . .

Changing the Span Adjuster Assembly

(To Change Positioner Input Range)

32

. . . . . . . . .

Principle of Operation

33

. . . . . . . . . . . . . . . . . . . . . . . .

Figure 1. Positioners

W6144

W6058‐1

SUPPLY
CONNECTION

3720 POSITIONER MOUNTED ON

A FISHER 1052 ACTUATOR

3710 POSITIONER MOUNTED ON

A FISHER 1066 ACTUATOR

Instruction Manual

D101728X012

3710 and 3720 Positioners

January 2015

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 2 - Instruction Manual; Introduction; Scope of Manual

Instruction Manual D101728X012 3710 and 3720 Positioners January 2015 2 Contents (cont'd) Maintenance 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Positioner Maintenance 34 . . . . . . . . . . . . . . . . . . . . . . Replacing the Standard or Beacon Indicator 34 . Removing the ...

Page 3 - Table 1. Specifications

Instruction Manual D101728X012 3710 and 3720 Positioners January 2015 3 Table 1. Specifications Available Configurations 3710: J Single‐ or J double‐acting pneumatic rotary valve positioner 3720: J Single‐ or J double‐acting electro‐pneumatic rotary valve positionerconsisting of a 3710 with a 3722 a...

Page 4 - Hazardous Area Classification for 3710 Positioner

Instruction Manual D101728X012 3710 and 3720 Positioners January 2015 4 Table 1. Specifications (Continued) Hazardous Area Classification for 3710 Positioner 3710 pneumatic positioners comply with therequirements of ATEX Group II Category 2 Gas andDust Electrical Classifications for 3722 Converter C...

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