Yokogawa EJA110E Bedienungsanleitung PDF herunterladen (Seite 18)

<2. Handling Cautions>

2-10

IM 01C25B01-01E

● ATEX Intrinsically Safe Ex ic

Caution for ATEX intrinsically safe Ex ic

• Applicable Standard:

EN 60079-0:2009/EN 60079-0:2012,

EN 60079-11:2012

• Type of Protection and Marking Code:

II 3G Ex ic IIC T4 Gc

• Ambient Temperature: –30* to +60°C

* –15°C when /HE is specied.

• Ambient Humidity:

0 to 100% (No condensation)

• Maximum Process Temperature: 120°C

• IP Code: IP66

• Ambient pollution degree: 2

• Overvoltage category: I

Note 1. Electrical Data

Ui = 30 V

Ci = 27.6 nF

Li = 0 µH

Note 2. Installation

• All wiring shall comply with local installation

requirements. (refer to the control drawing)

• Cable glands, adapters and/or blanking

elements shall be of Ex “n”, Ex “e” or Ex “d”

and shall be installed so as to maintain the

specied degree of protection (IP Code) of

the transmitters.

Note 3. Maintenance and Repair

• The instrument modication or parts

replacement by other than authorized

representative of Yokogawa Electric

Corporation is prohibited and will void ATEX

intrinsically safe.

Associated

Apparatus

Transmitter

Nonhazardous Area

[Control drawing]

Hazardous Area

+

–

F0207.ai

Note 4. Specic Conditions of Use

WARNING

• Electrostatic charge may cause an explosion

hazard. Avoid any actions that cause the

gerenation of eletrostatic charge, such as

rubbing with a dry cloth on coating face of

the product.

• When the lightning protector option is

specied, the apparatus is not capable

of withstanding the 500V insulation test

required by EN60079-11. This must be taken

into account when installing the apparatus.

(2) Electrical Connection

A mark indicating the electrical connection type

is stamped near the electrical connection port.

These marks are as followed.

F0208.ai

Location of the mark

Screw Size Marking

ISO M20 × 1.5 female

ANSI 1/2 NPT female

M

N or W

(3) Installation

WARNING

• All wiring shall comply with local installation

requirements and the local electrical code.

• There is no need for conduit seal in Division

1 and Division 2 hazardous locations

because this product is sealed at the factory.

(4) Operation

WARNING

• OPEN CIRCUIT BEFORE REMOVING

COVER. INSTALL IN ACCORDANCE WITH

THIS USER’S MANUAL

• Take care not to generate mechanical

sparking when access to the instrument and

peripheral devices in a hazardous location.

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