Английский язык для судовых электромехаников - [35]

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SHIPBOARD AUTOMATION

SECTION

(4+1+4)

Alarm Measuring System

The first class period

15

13

Review of “Shipboard Electrical Equipment”. Topical content: Alarm measuring system. Grammar item: English Syntax.

Text Alarm Measuring System

1. The electronic and alarm measuring systems are designed for centralized supervision of processes on board ships. -

2. Such systems are designed to meet the special requirements in marine applications.

3. The design of the alarm systems comprises a limited number of standard modules, and offers an economical and flexible solution for all system sizes — from small alarm systems with a few channels, to complex systems with data logging and alarm print-out functions.

4. The signals from analog and digital transducers are processed in the system and allow for simple and clear monitoring of process activities. The occurrance of abnormal conditions initiates audible and visual alarm signals.

5. Temperatures, pressures, levels, etc. are sensed by the analog transducers and are represented on a digital display.

6. Some further important advantages of the electronic alarm system arc:

— All transducer signals are individually processed, i. e. by one circuit board per measuring and alarm channel. If one of the channels should fail, the rest of the system will remain uneffected.

— Data for each channel, time delay, alarm group, scale gaud number of decimals, are set by programming on each circuit board.

— If necessary the system layout can be modified by the customer, by moving the transducer connections, the corresponding circuit board and the transparent legend plate, without the need for taking the programming into consideration.

— Each channel can be equipped with separate lamps for alarm indication on mimic diagrams and analog instruments, for continuous presentation of the measured values.

Exercises 1

Look through the text and list the advantages of the electronic alarm system.

6

2

Read the passages containing the information on:

a) the purpose of the system;

b) its construction features;

c) its operation and advantages of the system.

Read the text paying attention to the word order of English sentences.

The second class period 4

Repeat the words after the teacher. Then read paying attention to their Russian equivalents.

time delay alarm group

scale and number of decimals

system layout to modify customer

transducer connection transparent legend plate alarm indication mimic diagram analog instrument

continuous presentation

5

Read the text carefully. Use ex. 4.

alarm measuring system

process

to process

marine application

data logging

alarm print-out function

digital transducer

simple and clear monitoring of

process activities

to initiate

audible

to sense

circuit board

one circuit board per measuring and alarm channel

12

them by yourself

— система аварийной сигнализации и измерения

— технологический процесс

— обрабатывать

— морское исполнение

— регистрация данных

— печать аварийных параметров в случае аварии

— дискретный датчик, цифровой преобразователь

— простое и четкое управление протекающими процессами

— выдавать

— звуковой

— измерять, чувствовать

— печатная плата

— на каждый капал измерения и аварийной сигнализации имеется отдельная электронная плата

— выдержка времени

— групповой сигнал аварии

— масштаб и число цифр при десятичном измерении

— компоновка системы

— изменять

— потребитель

— подсоединение датчика

— прозрачный

— плата указательных табличек

— сигнал аварии

— мнемосхема

— аналоговый, т. е. стрелочный измерительный прибор

— непрерывная индикация

10

1

6

Read the words and point out those of the text:

a) consume;

b) efficiently; c) alarm;

d) process; e) capacity; f) transducer; g) digital; h) couple; i) initiate; j) elimination; k) delay; 1) layout; m) presetting; n) trigger; o) customer; p) set.

Read the words, point out those which deal with the topic “Construction Features and the Purpose of the Electronic Alarm System” and write them out.

g) to meet

h) to process

i) to remain

j) uneffected

k) delay

l) marine

c) ship

a) alarm d) few

b) rest e) to fail

f) design

u) flexible

m) supervision v) solution

n) plate w) uneffected

o) mimic x) limited

p) requirement y) complex

q) application z) layout

r) resistance a') size

s) decimal b') to modify

t) considerationc/) transducer

d') continuous

8 2

Read the word-combinations and point out those with attributive meaning:

a) measuring systems; b) are designed for; c) supervision of process;

d) marine application; e) as regards function; f) monitoring of activities; g) occurrance of conditions; h) signals are processed; i) one board for measuring; j) are set by programming; k) time delay; 1) number of decimals; m) transducer connection; n) for taking the programming; o) can be equipped with.

9 1

Read the sentences and point out numbers of those which deal with the topic “Alarm Measuring System".

1. Such system is designed for centralized supervision of processes on board ship. 2. It is now quite practicable for the small hydroelectric set or the diesel or gas turbine generator to be started up, synchronized and brought on load under automatic control from some remote point. 3. Temperatures, pressures, levels, etc. are sensed by the analog transducers and are represented on a digital display. 4. Bridge control of the main propulsion machinery is often fitted to relieve the man in the control room, or engine room, from the necessity of remaining at all times at the central control station. 5. The design of the alarm systems comprises a limited number of standard modules, and offers an economical and flexible solution for all system sizes.