Yokogawa EJX115A - Manual (Page 18)

<2. Handling Cautions>
2-10
IM 01C25K01-01E
● 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 specified.
• 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
specified degree of protection (IP Code) of
the transmitters.
Note 3. Maintenance and Repair
• The instrument modification 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. Specific 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
specified, 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.