Instrumentation Control & Electrical Technology (ICET)
ICS3305 – F2013
Classroom Exercise – Process Basics and P&ID Diagram
A balloon with no center line on a P&ID with letters TSL represents
Time safety limiter -Field mount
Temperature switch low -Field mount
Temperature sensor low -Field mount
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Match the symbols to the description
A
B
C
D
Description
1. Panel-mount digital temperature indicator with an internal high-temperature alarm switch 2. Fail open spring and diaphragm pneumatic control valve
3. Direct-connected pressure gauge
4. Microprocessor panel-mount flow indicating controller
Symbol
In the following illustration:
- explain briefly the process and identify the primary and final elements:
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- Identify the meaning of the following symbols and describe the process
Symbol
TIC/100
Meaning
TT/100
TE/100
FIC/101
FE/101
FV/101
1
School of Technology, Energy and Apprenticeship
Instrumentation Control & Electrical Technology (ICET)
ICS3305 – F2013
- Identify the meaning of the following symbols and describe the process
Symbol
TY/100
Meaning
TV/100
TT/100
TIC/100
TE/100
What is the process?
Your proof:
What PIC and I/O stands for?
Your proof:
What LIC stands for?
What LI stands for?
2