Yokogawa EJX930A - Manual (Page 21)

<2. Handling Cautions>
2-10
IM 01C25T02-01E
WARNING
• Electrostatic charge may cause an exlosion
hazard. Avoid any actions that cause the
gerenation of eletrostatic charge, such as
rubbing with a dry cloth on coating face of
the product.
• In the case where the enclosure of the
Pressure Transmitter is made of aluminium,
if it is mounted in an area where the use of
category 2D apparatus is required, it shall
be installed in such a way that the risk from
electrostatic discharges and propagating
brush discharges caused by rapid flow of
dust is avoided.
• The instrument modification or parts
replacement by other than an authorized
Representative of Yokogawa Electric
Corporation is prohibited and will void the
certification.
• To satisfy IP66 or IP67, apply waterproof
glands to the electrical connection port.
c. ATEX Intrinsically Safe Ex ic
Caution for ATEX Intrinsically safe Ex ic
The transmitters with option code /KN26 for
potentially explosive atmospheres:
• 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.
• Maximum Process Temperature: 120°C
• Ambient Humidity:
0 to 100% (No condensation)
• IP Code: IP66
• Ambient pollution degree: 2
• Overvoltage category: I
Note 1. Electrical Data
Ui = 32 V
Ci = 3.52 nF
Li = 0 µH
Note 2. Installation
• All wiring shall comply with local installation
requirements. (refer to the control drawing)
• When installing the transmitter in “ic”
FISCO system or FNICO system, follow the
installation requirements of each system.
• 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
+
–
F0208.ai
• Above drawing shows the installation of
Entity system.
When installing the transmitters in “ic”
FISCO system or FNICO system, follow the
installation requirements of each system.
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.