Table of Contents
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Instruction Manual
Form 1013
February 1997
2500 and 2503 Series Level-Trol Controllers and
Transmitters
Contents
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Type 2500 Controller or Type 2500T
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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.
Fisher Controls International, Inc. 1977, 1997; All Rights Reserved
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W3121-3/IL/A
Figure 1. 2500 or 2503 Series Level-Trol Controller/
Transmitter on Caged 249 Series Sensor
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Type 2500
2500 OR 2503 SERIES
CONTROLLER/
TRANSMITTER
249 SERIES SENSOR
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Table of Contents
Related Manuals for Fisher 2500T Series
Summarization of Contents
Introduction
Scope of Manual
Outlines the manual's coverage of controllers and transmitters.
Description
Brief overview of the instruments and their function.
Specifications
Lists technical specifications of the Type 2500 series.
Installation
Sensor Assembly
Details recommended sensors and their installation.
Uncrating
Procedure for safely unpacking the controller/transmitter assembly.
Controller/Transmitter Orientation
How to position the controller/transmitter case relative to the sensor.
Mounting Caged Sensor
Instructions for installing caged sensors, ensuring plumbness.
Mounting Cageless Sensor
Guidelines for attaching cageless sensors, handling displacers.
Side-Mounted Sensor
Specifics for installing side-mounted cageless sensors.
Top-Mounted Sensor
How to install top-mounted cageless sensors.
Special Installations
Procedures for specialized sensor setups like temperature compensation.
Supply and Output Pressure Connections
Details on pneumatic connections for supply and output.
Prestartup Checks
Type 2500 Controller or Type 2500T Transmitter
Prestartup steps specific to 2500/2500T models.
Type 2500S Controller
Prestartup procedures for the Type 2500S controller.
Type 2503 Controller
Prestartup checks for the Type 2503 controller.
Adjustments
Explains controller/transmitter action and adjustment locations.
Calibration
Precalibration Requirements
Conditions and preparations for field or shop calibration.
Wet Calibration
Method using process fluid or water for calibration.
Dry Calibration
Method using simulated process variables for calibration.
Startup
Type 2500 Controller
Steps for bringing the Type 2500 controller into operation.
Type 2500T Transmitter
Procedures for starting up the Type 2500T transmitter.
Type 2500S Controller
Startup procedures for the Type 2500S controller.
Type 2503 Controller
Startup steps for the Type 2503 controller.
Principle of Operation
Type 2500 Controller or 2500T Transmitter
How relay action generates output for 2500/2500T models.
Proportional Valve
Function of the proportional valve in controlling response.
Type 2500S Controller
Operation of the Type 2500S controller's snap-acting mechanism.
Type 2503 Controller
Explains the snap-action mechanism of the Type 2503 controller.
Maintenance
Troubleshooting
Common faults, causes, and corrective actions for controllers/transmitters.
Removing Controller/Transmitter from Sensor
Steps to safely detach the controller/transmitter from the sensor.
Changing Mounting Methods
Procedures for altering the controller/transmitter's mounting position.
Installing Controller/Transmitter on Sensor
Detailed steps for reattaching the controller/transmitter to the sensor.
Replacing the Bourdon Tube
Instructions for replacing the Bourdon tube assembly.
Changing Action
How to modify the control action (direct/reverse).
Parts Ordering
Parts List
Comprehensive list of parts with descriptions and part numbers.
Need help?
Do you have a question about the 2500T Series and is the answer not in the manual?
Questions and answers