Instruction Manual
D200160X012
4195K Controllers
July 2018
42
Section 5 4195KS Differential Gap Controllers
Operating Information
This section includes descriptions of adjustments and procedures for prestartup and startup. Location of adjustments
is shown in figures 5‐1 and 5‐2. To better understand the adjustments and overall operation of the controller, refer to
the Principle of Operation section and the schematic diagrams, figures 5‐4 and 5‐5.
Note
Some of the following procedures require that the proportional band knob be adjusted to between DIRECT and REVERSE. If this is
done, it will be necessary to set the proportional band knob to 400 (direct or reverse action) before replacing the proportional
band indicator cover.
Figure 5‐1. Fisher 4195KS Controller Parts and Adjustments Locations
C0528‐1
BOURDON
TUBE
PROCESS
INDICATOR
CONNECTING
LINK
SET POINT
ADJUSTMENT
INDICATOR
ZERO ADJUSTMENT
ZERO ADJUSTMENT
LOCKING SCREW
PROCESS
SPAN ADJUSTMENT
OUTPUT PRESSURE
GAUGE
PROPORTIONAL
BAND INDICATOR
COVER
PROPORTIONAL
BAND ADJUSTMENT
SUPPLY
PRESSURE GAUGE
ZERO
ADJUSTMENT
LOCKING SCREW
INDICATOR
ZERO
ADJUSTMENT
TIE BAR
LINEARITY
ADJUSTMENT
PROCESS
SPAN ADJUSTMENT
LINK 5
LINK 1
SHORT
PIVOT
ASSEMBLY
LONG PIVOT
ASSEMBLY
BI METAL STRIP FOR
TEMPERATURE COMPENSATION
SENSING ELEMENT CAN ALSO BE A CAPSULAR ELEMENT
FRONT VIEW OF CONTROLLER WITH
BOURDON TUBE PROCESS SENSOR
CAPSULAR ELEMENT PROCESS SENSOR
NOTE: