Emerson Fisher 3311 User Manual

D102005X012
www.Fisher.com
Instruction Manual
Form 5739
February 2002
Introduction
Type 846 and Model 3311 Current-to-Pressure
Transducers
Contents
1. Introduction
Scope of Manual 1–2. . . . . . . . . . . . . . . . . . . . . . . . .
Description 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Installation
Mounting 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Connections 2–1. . . . . . . . . . . . . . . . . . . .
Supply Pressure 2–1. . . . . . . . . . . . . . . . . . . . . . . .
Output Pressure 2–5. . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connections 2–7. . . . . . . . . . . . . . . . . . . .
Stroke Port 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Port 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signal Interruption 2–8. . . . . . . . . . . . . . . . . . . . . . . .
3. Calibration
Standard Performance:
Full Range Input, Direct Action 3–1. . . . . . . . . .
Multirange Performance:
Full Range Input, Direct Action 3–2. . . . . . . . . .
Standard Performance:
Split Range Input, Direct Action 3–3. . . . . . . . . .
4 to 12 mA Input Signal 3–3. . . . . . . . . . . . . . . . . .
12 to 20 mA Input Signal 3–3. . . . . . . . . . . . . . . . .
Standard Performance:
Full Range Input, Reverse Action 3–3. . . . . . . .
Multirange Performance:
Full Range Input, Reverse Action 3–3. . . . . . . .
Standard Performance:
Split Range Input, Reverse Action 3–4. . . . . . .
4 to 12 mA Input Signal 3–4. . . . . . . . . . . . . . . . . .
12 to 20 mA Input Signal 3–4. . . . . . . . . . . . . . . . .
10 to 50 mA Input Signal 3–5. . . . . . . . . . . . . . . . .
Transporting the Module Final Assembly 3–5. . . .
4. Principle of Operation
Electronic Circuit 4–1. . . . . . . . . . . . . . . . . . . . . . . . .
Magnetic Actuator 4–1. . . . . . . . . . . . . . . . . . . . . . . .
Pilot Stage 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Booster Stage 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
5. Troubleshooting
Diagnostic Features 5–1. . . . . . . . . . . . . . . . . . . . . .
Stroke Port 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Pressure Reading (RPR) 5–1. . . . . . . . .
Using the HART
R
Communicator to
Read the RPR Signal 5–1. . . . . . . . . . . . . . . .
Using a Frequency Counter to
Read the RPR Signal 5–2. . . . . . . . . . . . . . . .
In-service Troubleshooting 5–3. . . . . . . . . . . . . . . .
Troubleshooting in the Shop 5–5. . . . . . . . . . . . . . .
6. Maintenance
Module Final Assembly 6–1. . . . . . . . . . . . . . . . . . .
Removing the Module Final Assembly 6–1. . . . .
Replacing the Module Final Assembly 6–3. . . . .
Electronic Circuit Board 6–4. . . . . . . . . . . . . . . . . . .
Optional Remote Pressure Reading (RPR)
Jumper 6–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Range Jumper 6–5. . . . . . . . . . . . . . . . . . . . . . . . .
Action 6–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Electronic Circuit Board 6–5. . . . .
Product Change 6–5. . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Electronic Circuit Board 6–6. . . . .
Pilot/Actuator Assembly 6–6. . . . . . . . . . . . . . . . . . .
Action 6–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Pilot/Actuator Assembly 6–6. . . . .
Replacing the Pilot/Actuator Assembly 6–7. . . . .
Module Subassembly 6–7. . . . . . . . . . . . . . . . . . . . .
Terminal Compartment 6–7. . . . . . . . . . . . . . . . . . .
Exhaust and Stroke Port Screens 6–8. . . . . . . . . .
7. Parts List
8. Loop Schematics

Emerson Fisher 3311 Specifications

General

Brand	Emerson
Model	Fisher 3311
Category	Transducer
Language	English

Summary

Installation

Mounting and Connections

Covers transducer mounting, pressure, and electrical connections.

Ports and Signal Interruption

Calibration

Standard Performance Procedures

Covers full range and split range, direct/reverse actions for standard units.

Multirange Performance Procedures

Specific Input Range Calibration

Troubleshooting

Diagnostic Features

Introduction to stroke port and RPR for diagnosing faults.

Remote Pressure Reading (RPR)

Using HART or frequency counter to read RPR signals.

Troubleshooting Procedures

Maintenance

Module Final Assembly

Handling and removal/replacement of the module final assembly.

Component Maintenance

Loop Schematics

CSA Schematics

Wiring diagrams for CSA intrinsic safety approvals.

FM Schematics