Fisher 2500 Series Instruction Manual

Instruction Manual
Form 1013
February 1997
2500 and 2503 Series Level-Trol Controllers and
Transmitters
Contents
Introduction
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Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
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Sensor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Orientation
Mounting Caged Sensor
Mounting Cageless Sensor
Side-Mounted Sensor
Top-Mounted Sensor
Special Installations . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature-Compensated Displacer
Piezometer Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply and Output Pressure Connection
Supply Pressure . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Output Connection
Prestartup Checks
Type 2500 Controller or Type 2500T
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type 2500S Controller
Type 2503 Controller . . . . . . . . . . . . . . . . . . . . . . .
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Action . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level Adjustment
(Controllers Only)
Zero Adjustment
(Transmitters Only)
Proportional Band Adjustment
(Except Transmitters and 2503
Series Controllers)
Specific Gravity Adjustment
(Transmitters Only)
Calibration
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Precalibration Requirements
Wet Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dry Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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Controller/Transmitter and Torque Tube Arm
Disassembly
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Determining the Amount of
Suspended Weight
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Calibration Procedure
Type 2500 Controller and
2500T Transmitter
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Type 2500S and 2503 Controllers
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Startup
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15
Type 2500 Controller
15 Type 2500T Transmitter
15 Type 2500S Controller
16 Type 2503 Controller
Type 2500
2500 OR 2503 SERIES
CONTROLLER/
TRANSMITTER
249 SERIES SENSOR
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