Fisher 2500 Series User Manual

D200124X012
Fisher Controls International, Inc. 1977, 1997; All Rights Reserved
Fisher, Fisher-Rosemount, and Managing The Process Better are marks
owned by Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.
All other marks are the property of their respective owners.
2500 a n d 2 50 3 S erie s L evel-Trol

C ontroller s a nd
Transmitters
Contents
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensor Assembly 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uncrating 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Orientation 6. . . . . . . . . . . . . .
Mounting Caged Sensor 6. . . . . . . . . . . . . . . . . . . . . .
Mounting Cageless Sensor 7. . . . . . . . . . . . . . . . . . . .
Side-Mounted Sensor 7. . . . . . . . . . . . . . . . . . . . . . .
Top-Mounted Sensor 8. . . . . . . . . . . . . . . . . . . . . . . .
Special Installations 8. . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature-Compensated Displacer 8. . . . . . . . .
Piezometer Ring 9. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply and Output Pressure Connection 9. . . . . . . .
Supply Pressure 10. . . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Output Connection 11. . . .
Prestartup Checks 11. . . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller or Type 2500T
Transmitter 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type 2500S Controller 13. . . . . . . . . . . . . . . . . . . . . .
Type 2503 Controller 14. . . . . . . . . . . . . . . . . . . . . . .
Adjustments 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Action 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level Adjustment
(Controllers Only) 15. . . . . . . . . . . . . . . . . . . . . .
Zero Adjustment
(Transmitters Only) 15. . . . . . . . . . . . . . . . . . . . .
Proportional Band Adjustment
(Except Transmitters and 2503
Series Controllers) 15. . . . . . . . . . . . . . . . . . . . . .
Specific Gravity Adjustment
(Transmitters Only) 15. . . . . . . . . . . . . . . . . . . . . .
Calibration 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precalibration Requirements 15. . . . . . . . . . . . . . . . .
Wet Calibration 15. . . . . . . . . . . . . . . . . . . . . . . . . . .
Dry Calibration 16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1. 2500 or 2503 Series Level-Trol

Controller/
Transmitter on Caged 249 Series Sensor
2500 OR 2503 SERIES
CONTROLLER/
TRANSMITTER
249 SERIES SENSOR
W3121-3/IL/A
Controller/Transmitter and Torque Tube Arm
Disassembly 16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Determining the Amount of
Suspended Weight 16. . . . . . . . . . . . . . . . . . . . .
Calibration Procedure 17. . . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller and
2500T Transmitter 17. . . . . . . . . . . . . . . . . . . . . .
Type 2500S and 2503 Controllers 19. . . . . . . . . . .
Startup 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller 20. . . . . . . . . . . . . . . . . . . . . . .
Type 2500T Transmitter 20. . . . . . . . . . . . . . . . . . . .
Type 2500S Controller 20. . . . . . . . . . . . . . . . . . . . . .
Type 2503 Controller 20. . . . . . . . . . . . . . . . . . . . . . .
Instruction Manual
Form 1013
February 1997
Type 2500

Fisher 2500 Series Specifications

General

Manufacturer	Fisher
Category	Controller
Accuracy	±1% of span
Materials	Aluminum, Stainless Steel
Type	Pneumatic
Input Signal	3-15 psi
Output Signal	3-15 psi
Supply Pressure	20 psi
Ambient Temperature Range	-40 to 180°F (-40 to 82°C)
Series	2500

Summary

Installation

Sensor Assembly

Lists sensors recommended for controller/transmitter use.

Mounting Caged Sensor

Details on how to properly mount a caged sensor.

Mounting Cageless Sensor

Instructions for installing sensors without a cage.

Side-Mounted Sensor

Top-Mounted Sensor

Supply and Output Pressure Connections

Supply Pressure

Details regarding the required supply pressure and its regulation.

Controller/Transmitter Output Connection

Prestartup Checks

Calibration

Precalibration Requirements

Lists necessary steps and conditions before calibrating the unit.

Type 2500 Controller or 2500T Transmitter

Calibration steps for Type 2500 Controller and 2500T Transmitter.

Type 2500S Controller

Calibration steps for Type 2500S Controller.

Type 2503 Controller

Calibration steps for Type 2503 Controller.

Dry Calibration

Determining the Amount of Suspended Weight

Adjustments

Control Action

Defines direct and reverse control actions for the units.

Level Adjustment (Controllers Only)

Proportional Band Adjustment (Except Transmitters and 2503 Series Controllers)

Details adjusting the proportional band for specific controller types.

Specific Gravity Adjustment (Transmitters Only)

Explains how to adjust the specific gravity setting on transmitters.

Startup

Type 2500 Controller

Startup procedure for the Type 2500 Controller.

Type 2500T Transmitter

Startup procedure for the Type 2500T Transmitter.

Type 2500S Controller

Type 2503 Controller

Maintenance

Removing Controller/Transmitter from Sensor

Changing Mounting Methods

Installing Controller/Transmitter on Sensor

Replacing the Bourdon Tube

Changing Action

Relay Deadband Testing (Type 2500 Controller or 2500T Transmitter Only)

Replacing the Proportional Valve

Changing Relay

Troubleshooting