User’s
Manual
YTA50
Temperature Transmitter
IM 01C50C01-01E
6th Edition
6th Edition : Feb. 2007 (YK)
All Rights Reserved, Copyright © 1998, Yokogawa Electric Corporation
SAFETY INSTRUCTIONS
Ex installation:
For a safe installation of YTA50 in hazardous area the following
must be observed. The module must only be installed by
qualified personnel who are familiar with the national and
international laws, directives and standards that apply to
this area.
Year of manufacture can be taken from the first two digits in the
serial number.
The sensor circuit is not infallibly galvanically isolated from the
input circuit. However, the galvanic isolation between the
circuits is capable of withstanding a test voltage of 500 Vac
during 1 minute.
The transmitter must be mounted in an enclosure in order to
provide a degree of ingress protection of at least IP20.
In explosive atmospheres caused by air / dust mixtures:
The transmitter may only be installed in a potentially explosive
atmosphere caused by the presence of combustible dust
when mounted in a metal enclosure form B according to
DIN 43729 that is providing a degree of ingress protection
of at least IP 6X in accordance with EN 60529, that is
suitable for the application and is correctly installed.
Cable entries and blanking elements shall be used that are
suitable for the application and correctly installed.
For an ambient temperature
≥
60
°
C, heat resistant cables shall
be used with a rating of at least 20 K above the ambient
temperature.
Special Conditions for Safe Use:
If the enclosure in which the transmitter is mounted is made of
aluminium and installed in Zone 0, 1 or Zone 20, 21 or 22 it
shall not contain by weight more than 6% in total of
magnesium and titanium.
The additional enclosure of the apparatus shall be designed
and/or installed in such a way that, even in the event of rare
incidents, ignition sources due to impact and friction sparks
are excluded.
Nov. '06
YOKOGAWA ELECTRIC CORPORATION
Headquarters
2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 JAPAN
Branch Sales Offices
Nagoya, Osaka, Hiroshima, Fukuoka, Sapporo, Sendai, Ichihara, Toyoda,
Kanazawa, Takamatsu, Okayama, and Kitakyusyu.
YOKOGAWA CORPORATION OF AMERICA
Headquarters
2 Dart Road, Newnan, Georgia 30265-1094, U.S.A.
Phone : 1-770-253-7000 Fax : 1-770-254-0928
YOKOGAWA EUROPE B. V.
Headquarters
Databankweg 20 Amersfoort 3821 AL, THE NETHERLANDS
Phone : 31-33-464-1611 Fax : 31-33-464-1610
Branch Sales Offices
/ Wien (Austria), Zaventem (Belgium), Ratingen (Germany),
Madrid (Spain), Runcorn (United Kingdom), Milano (Italy), Velizy Villacoublay (France),
Roodeport (Republic of South Africa), Budapest (Hungary), Stockholm (Sweden)
YOKOGAWA AMERICA DO SUL Ltda.
Head Office
Praca Acapulco, 31 - Santo Amaro. Sao Paulo/SP - BRAZIL
Phone : 55-11-5681-2400 Fax : 55-11-5681-4434
YOKOGAWA ELECTRIC ASIA PTE. LTD.
Head Office
5 Bedok South Road, 469270 SINGAPORE
Phone : 65-6241-9933 Fax : 65-444-6252
YOKOGAWA ELECTRIC KOREA CO., LTD.
Head Office
14-1, Yangpyongdong-4Ga, Youngdeungpo-Gu, Seoul, 150-866 KOREA
Phone : 82-2-2628-6000 Fax : 82-2-2628-6400
YOKOGAWA AUSTRALIA PTY. LTD.
Head Office (Sydney)
Tower A, 112-118 Talavera Road, Macquarie Park, N.S.W.2113, AUSTRALIA
Phone : 61-2-8870-1100 Fax : 61-2-8870-1111
YOKOGAWA INDIA LTD.
Head Office
Plot No.96 Electronic City Complex, Hosur Road, Bangalore 560100, INDIA
Phone : 91-80-4150-6000 Fax : 91-80-2852-1441
YOKOGAWA CHINA CO., LTD.
K. Wah Centre 29F, 1010 Huai Hai Zhong Rd., Shanghai 200031, CHINA
Phone : 86-21-5405-1919 Fax : 86-21-5405-1011
