Standard |
rev.10/13/03
Provides
instruction in the principles and practices of instrumentation for industrial
process control systems with an emphasis on industrial maintenance techniques
for production equipment. Topics include: instrument tags; process documentation; basic control
theory; sensing pressure,
flow, level, and temperature; instrument calibration; and l
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Competency
Areas |
Hours |
|
|
Instrument Tags |
Class |
4 |
| Process Documentation | D. Lab |
0 |
|
Basic Control Theory |
P. Lab/O.B.I. |
6 |
|
Sensing
Pressure, Flow, Level, and Temperature |
Credit |
6 |
|
Instrument
Calibration |
|
|
|
Loop Tuning |
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Prerequisite: IDS 141, IDS 142 Corequisite: |
Course Guide |
|
Competency |
After completing this
section, the student will: |
Hours | ||
|
Class |
D.Lab |
P.Lab/
O.B.I. | ||
|
INSTRUMENT TAGS |
4 |
|
6 | |
|
Tags |
Describe the function of an instrument tag. |
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|
Identify the measured or initiated
variable from an instrument tag |
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|
|
Identify the function of the instrument
from an instrument tag |
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Identify the loop in which the device is connected. |
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Identify the
location of the device |
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Identify the
type of instrument as indicated by the tag |
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Determine if the device is visible to the operator. |
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Interpret an
instrument tag |
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|
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PROCESS
DOCUMENTATION |
4 |
|
6 | |
|
|
Describe the function of a loop
sheet |
|
|
|
|
|
Identify the common valves and
instrument symbols found on a loop sheet |
|
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|
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Identify the type of line connections
found on a loop sheet |
|
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Interpret loop
sheets |
|
|
|
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Instrument Index |
Describe the
function of an instrument index |
|
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Describe the
information found in an instrument index |
|
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Use an
instrument index to locate information about process
devices |
|
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|
|
BASIC CONTROL THEORY |
8 |
|
12 | |
|
Open Loop
Control |
Describe open loop
control |
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Discuss
applications for open loop control |
|
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Closed |
Describe
closed loop control |
|
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Discuss
applications for closed loop control |
|
|
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Operate a
closed loop system |
|
|
|
|
Proportional
Control |
Describe proportional
control |
|
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|
Discuss proportional band and its
effect on sensitivity and accuracy |
|
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|
Demonstrate process response with a
wide proportional band and a narrow proportional
band |
|
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|
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Integral Control |
Describe integral
control |
|
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Discuss integral constant and its
effect on sensitivity and accuracy |
|
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Demonstrate process response with a
high integral constant and a low integral
constant |
|
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Discuss reset
wind-up and its effect on process response |
|
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Describe the
operation of a Proportional Integral control loop |
|
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|
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Setup and
operate a PI control loop |
|
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Derivative Control |
Describe
Derivative control |
|
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Discuss Derivative constant and its
effect on sensitivity and accuracy |
|
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|
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Demonstrate process response with a
high Derivative constant and a low Derivative
constant |
|
|
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|
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Describe the
operation of a Proportional Integral Derivative control
loop |
|
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Setup and
operate a PID control loop |
|
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|
8 |
|
12 | |
|
Pressure |
Describe function of pressure in common
process systems |
|
|
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|
Describe the application and operation
of common pressure instruments |
|
|
|
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|
Identify common pressure
instruments |
|
|
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Connect and operate a pressure
loop |
|
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|
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Flow |
Describe function of Flow in common
process systems |
|
|
|
|
|
Describe the application and operation
of common Flow instruments |
|
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|
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Identify common Flow
instruments |
|
|
|
|
|
Connect and operate a Flow
loop |
|
|
|
|
Level |
Describe function of level in common
process systems |
|
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|
|
|
Describe the application and operation
of common level instruments |
|
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|
|
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Identify common level
instruments |
|
|
|
|
|
Connect and operate a level
loop |
|
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|
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Temperature |
Describe function of level in common
process systems |
|
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Identify the four temperature scales
and their applications |
|
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Describe the application and operation
of common temperature instruments |
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Identify common temperature
instruments |
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Connect and operate a temperature
loop |
|
|
|
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INSTRUMENT CALIBRATION |
8 |
|
12 | |
|
Theory |
Describe instrument calibration and its
role in process system maintenance |
|
|
|
|
|
Identify and discuss calibration test
equipment |
|
|
|
|
|
Define commonly used calibration terms
such as sensitivity, resolution, hysteresis,
range, span, and accuracy |
|
|
|
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Errors |
Discuss and demonstrate a zero
error |
|
|
|
|
|
Discuss and
demonstrate an angular error |
|
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|
|
Discuss and
demonstrate an error that has both a zero error and an angular
error |
|
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Response |
Identify and
discuss the types of conformity and the applications of
each |
|
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Identify and
discuss the types of linearity and the applications of
each |
|
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Application |
Describe the
considerations when calibrating a level device |
|
|
|
|
|
Calibrate a
level device |
|
|
|
|
|
Describe the
considerations when calibrating a Flow device |
|
|
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Calibrate a
Flow device |
|
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Describe the
considerations when calibrating a pressure device |
|
|
|
|
|
Calibrate a
pressure device |
|
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Describe the
considerations when calibrating a temperature
device |
|
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|
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Calibrate a
temperature device |
|
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LOOP TUNING |
8 |
|
12 | |
|
Process
Response |
Describe the types of process response
and the applications of each |
|
|
|
|
|
Describe
Quarter wave decay and its application in control
loops |
|
|
|
|
|
Describe how
to determine ultimate gain |
|
|
|
|
|
Describe dead time’s cause and effects
on a process system |
|
|
|
|
|
Identify
methods for reducing process dead time |
|
|
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Define rise time and its effect on
process systems |
|
|
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Describe a time constant and its use in
process systems |
|
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|
|
Describe a
multiple capacity process and the considerations when tuning a multiple
capacity process |
|
|
|
|
Application |
Tune a process
control loop |
|
|
|
Suggested Resources |
Hughes, Thomas A. Measurement and Control Basics. Instrumentation Society of
Multiple Authors. Industrial Maintenance Volume
5: Prentice-Hall
Mulley, Raymond. Control System Documentation, Applying Symbols and Identification. Instrumentation Society of America Publications.
Johnson, Curtis D. Process Control Instrumentation Technology. Prentice-Hall Publishing.