Emerson Fisher 3570- User Manual

Emerson Fisher 3570

Emerson Fisher 3570– 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.

1 Page 1
2 Page 2
3 Page 3
4 Page 4
5 Page 5
6 Page 6
7 Page 7
8 Page 8
9 Page 9
10 Page 10
11 Page 11
12 Page 12
13 Page 13
14 Page 14
15 Page 15
16 Page 16
17 Page 17
18 Page 18
19 Page 19
20 Page 20
21 Page 21
22 Page 22
23 Page 23
24 Page 24
25 Page 25
26 Page 26
27 Page 27
28 Page 28
29 Page 29
30 Page 30
31 Page 31
32 Page 32
33 Page 33
34 Page 34
35 Page 35
36 Page 36
Page: / 36

Table of Contents:

  • Page 2 – Instruction Manual; Description; Valve Positioner Type Numbers
  • Page 3 – Table 1. Specifications
  • Page 4 – Table 2. Action Under Normal Operating Conditions; Table 3. Pressure Indications; Specifications; Specifications for 3570 positioners are listed in table 1.; Educational Services
  • Page 5 – Installation; WARNING
  • Page 6 – Figure 2. Bias and Range Springs for Zero and Span Adjustments
  • Page 7 – Figure 3. Diagnostic Test Connections; Connections; Piping Sizes
  • Page 8 – Vent
  • Page 9 – Supply Pressure Connections
  • Page 10 – The maximum supply pressure for the positioner as shown in table 1.; Cylinder Connections
  • Page 11 – Operating Information; Initial Adjustments; Codes for valve travels up to and including 50 mm (2 inches)
  • Page 12 – Frequency Response
  • Page 13 – Table 4. Fisher 3570 Signal Range Codes
  • Page 14 – Adjustment Procedures; Refer to figure 2. 3570 positioners have three adjustments:
  • Page 15 – accuracy is measured at the mid‐point of the full range of the scale.; CAUTION
  • Page 16 – Table 7. Spring Retainer
  • Page 17 – Table 8. Spring Retainer Spacer; Changing Positioner Action; Figure 6. Bellows Mounting for Direct and Reverse Action
  • Page 18 – Changing to Reverse Action; the CYLINDER and INSTRUMENT connections. Unscrew these posts.; Changing to Direct Action; changed, adjustment of the range spring might not be necessary.
  • Page 19 – Split Range Operation
  • Page 20 – e = initial range spring extension required in mm
  • Page 21 – Principle of Operation
  • Page 24 – Relay Operation; Refer to figure 10, which shows a sectional view of a typical relay.
  • Page 25 – Figure 10. Sectional View of a Typical Relay; Maintenance
  • Page 26 – Troubleshooting; loosening the screw that holds the flapper in place.; soap solution for leak detection.
  • Page 27 – Converting a 3570 Valve Positioner to a 3570C Valve Positioner; connection. Connect the input signal line to the pipe tee.
  • Page 28 – Range Spring; Disassembly; Unless otherwise directed, key numbers refer to figures 11 and 12.; from the piston rod extension.; Assembly
  • Page 29 – Bias Spring; of the post, unscrew the post from the base.; figure 2. Ensure that the beam does not rub on the post.; Parts Ordering
  • Page 30 – Parts Kits; Positioner Repair Kits; Parts List
Loading the manual

www.Fisher.com

Fisher

r

3570 Pneumatic Valve Positioners

Contents

Introduction

1

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

Scope of Manual

1

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

Description

2

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

Valve Positioner Type Numbers

2

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

Specifications

4

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

Educational Services

4

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

Installation, Mounting, and Connections

5

. . . . . . . . . .

Installation

5

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

Diagnostic Test Connections (Optional)

6

. . . . .

Connections

7

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

Piping Sizes

7

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

Vent

8

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

Supply Pressure Connections

9

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

Cylinder Connections

10

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

Instrument Connection

10

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

Operating Information

11

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

Initial Adjustments

11

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

Signal Range Codes

11

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

Frequency Response

12

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

Adjustment Procedures

14

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

Changing Positioner Action

17

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

Split Range Operation

19

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

Initial Range Spring Extension Procedure

for 3570P and 3570PC Positioners

19

. . . . . . . . . .

Principle of Operation

21

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

3570, 3570C, 3570P, 3570PC, and

3571 Valve Positioners

21

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

3572 and 3576 Valve Positioners

22

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

3573 and 3577 Valve Positioners

23

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

Relay Operation

24

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

Maintenance

25

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

Troubleshooting

26

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

Converting a 3570 Valve Positioner to a

3570C Valve Positioner

27

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

Range Spring

28

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

Disassembly

28

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

Assembly

28

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

Figure 1. Fisher 3570 Positioner Mounted on
470 Actuator

W5566*/IL

Bias Spring

29

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

Disassembly

29

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

Assembly

29

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

Parts Ordering

29

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

Parts Kits

30

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

Positioner Repair Kits

30

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

Diagnostic Test Connection Kits

30

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

Parts List

30

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

Positioner Common Parts

30

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

Introduction

Scope of Manual

This manual provides installation, operation, adjustment, maintenance, and parts ordering information for Fisher
3570 pneumatic valve positioners. The various product types within this series are described later in this manual. Refer

Instruction Manual

D200137X012

3570 Positioners

September 2011

"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; Description; Valve Positioner Type Numbers

Instruction Manual D200137X012 3570 Positioners September 2011 2 to figure 1 for a typical mounting of a 3570 positioner. Refer to separate instruction manuals for informationconcerning the actuator, valve, and accessories. Do not install, operate or maintain a 3570 positioner without being fully tr...

Page 3 - Table 1. Specifications

Instruction Manual D200137X012 3570 Positioners September 2011 3 Table 1. Specifications Available Configurations See the positioner type number descriptions givenabove. Input Signal Standard Ranges: 0.2 to 1.0 bar (3 to 15 psig) or 0.4 to 2.0 bar (6 to 30 psig) Optional Ranges: As desired, within t...

Page 4 - Table 2. Action Under Normal Operating Conditions; Table 3. Pressure Indications; Specifications; Specifications for 3570 positioners are listed in table 1.; Educational Services

Instruction Manual D200137X012 3570 Positioners September 2011 4 Table 2. Action Under Normal Operating Conditions POSITIONER ACTION DESIRED PISTON MOTION (1) Down Up Direct‐acting Increasing input signal pressure to bellows Decreasing input signal pressure to bellows Reverse‐acting Decreasing input...

Other Emerson Models