School of Technology, Energy and Apprenticeship
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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________________________________________________________________________
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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