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Fisher
™
4195KA, KB, KC, and KS Gauge Pressure
Controllers
Contents
1. Introduction
Scope of Manual
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Description
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Specifications
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Educational Services
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Controller Mounting Orientation
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Pipestand Mounting
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Panel Mounting
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Wall Mounting
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Actuator Mounting
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Pressure Connections
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Process Pressure Connection
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Supply Pressure Connection
. . . . . . . . . . . . . .
Remote Set Point (suffix letter M)
Pressure Connection
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External Feedback Pressure Connection
(4195KB Controllers Only)
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Vent
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3. 4195KA Proportional‐Only Controllers
Adjustments for 4195KA Controllers
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Manual Set Point Adjustment
. . . . . . . . . . . . .
Remote Set Point (suffix letter M)
Adjustment
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Proportional Band Adjustment (PB ADJ)
. . . . .
Changing Controller Action
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Switching The Auto/Manual Station
(suffix letter E)
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Prestartup Checks for 4195KA Controllers
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Startup for 4195KA Controllers
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Calibration of 4195KA Controllers
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General Calibration Instructions
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Process Indicator Zero and Span Calibration
.
Remote Set Point (suffix letter M)
Zero and Span Calibration
. . . . . . . . . . . . . .
Flapper Alignment
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Principle of Operation for 4195KA Controllers
. . .
Overall Operation
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Remote Set Point (suffix letter M)
Operation
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Auto/Manual Station (suffix letter E)
Operation
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4. 4195KB Proportional‐Plus‐Reset
Controllers and 4195KC
Proportional‐Plus‐Reset‐Plus‐Rate Controllers
Adjustments for 4195KB and KC Controllers
. . . . .
Manual Set Point Adjustment
. . . . . . . . . . . . .
Remote Set Point (suffix letter M)
Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . .
Proportional Band Adjustment (PB ADJ)
. . . . .
Changing Controller Action
. . . . . . . . . . . . . . .
Reset Adjustment
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Rate Adjustment
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Anti‐Reset Windup (suffix letter F)
Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . .
Switching the Auto/Manual Station
(suffix letter E)
. . . . . . . . . . . . . . . . . . . . . . .
Prestartup Checks for 4195KB and KC
Controllers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup for 4195KB and KC Controllers
. . . . . . . . .
Calibration of 4195KB and KC Controllers
. . . . . . .
General Calibration Instructions
. . . . . . . . . . .
Process Indicator Zero and Span
Calibration
. . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Set Point (suffix letter M)
Zero and Span Calibration
. . . . . . . . . . . . . .
Flapper Alignment
. . . . . . . . . . . . . . . . . . . . . .
Anti‐Reset Windup (suffix letter F)
Differential Relief Valve Calibration
. . . . . .
Principle of Operation for 4195KB and KC
Controllers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overall Operation
. . . . . . . . . . . . . . . . . . . . . . .
Anti‐Reset Windup (suffix letter F)
Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Set Point (suffix letter M)
Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto/Manual Station (suffix letter E)
Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . .
External Feedback Operation
. . . . . . . . . . . . . .
5. 4195KS Differential Gap Controllers
Operating Information
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Adjustments for 4195KS Differential Gap
Controllers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Set Point
. . . . . . . . . . . . . . . . . . . . . . . .
Remote Set Point (Option M)
. . . . . . . . . . . . .
Proportional Band (Differential Gap)
. . . . . . .
Changing Controller Action
. . . . . . . . . . . . . . .
Instruction Manual
D200160X012
4195K Controllers
July 2018