4 iecex certification, 10 emc conformity standards, Iecex certification -10 – Yokogawa EJX930A User Manual
Page 27: Emc conformity standards -10, Caution

<3. Handling Cautions>
3-10
IM 01C25R01-01E
MODEL: Specified model code.
STYLE: Style code
SUFFIX: Specified suffix code.
SUPPLY: Supply voltage (HART
Communication Type)
Supply voltage and Power (Modbus
Communication Type)
For F
OUNDATION
Fieldbus
communication type, refer to IM
01C25R03-01E.
OUTPUT: Output signal.
MWP: Maximum working pressure.
CAL RNG: Specified calibration range.
NO.: Serial number and year of production*
1
.
TOKYO 180-8750 JAPAN:
The manufacturer name and the address*
2
.
*1: The first number in the second block of “NO.” column
is the last one number of the production year.
second block
NO. 91K819857 132 7
The year 2011
*2: “180-8750” is a zip code which represents the
following address.
2-9-32 Nakacho, Musashino-shi, Tokyo Japan
*3: The identification number of Notified Body.
3.9.4 IECEx Certification
a. IECEx Flameproof Type
Caution for IECEx flameproof type.
Note 1. EJX multivariable transmitter with optional
code /SF2 are applicable for use in
hazardous locations:
• No. IECEx CSA 07.0008
• Applicable Standard: IEC60079-0:2004,
IEC60079-1:2003
• Flameproof for Zone 1, Ex d IIC T6...T4
• Enclosure: IP66 and IP67
• Maximum Process Temperature:
120°C (T4), 100°C (T5), 85°C (T6)
• Ambient Temperature: –50 to 75°C (T4),
–50 to 80°C (T5), –50 to 75°C (T6)
• Supply Voltage: 42 V dc max.
• Output Signal: 4 to 20 mA dc
Note 2. Wiring
• In hazardous locations, the cable entry
devices shall be of a certified flameproof
type, suitable for the conditions of use and
correctly installed.
• Unused apertures shall be closed with
suitable flameproof certified blanking
elements.
Note 3. Operation
• WARNING:
AFTER DE-ENERGIZING, DELAY 5
MINUTES BEFORE OPENING.
• WARNING:
WHEN AMBIENT TEMPERATURE ≥ 65°C,
USE THE HEAT-RESISTING CABLES ≥
90°C.
• Take care not to generate mechanical
sparking when accessing to the instrument
and peripheral devices in a hazardous
location.
Note 4. Maintenance and Repair
• The instrument modification or parts
replacement by other than authorized
representative of Yokogawa Electric
Corporation is prohibited and will void IECEx
Certification.
3.10 EMC Conformity Standards
EN61326-1 Class A, Table 2 (For use in industrial
locations)
EN61326-2-3
CAUTION
• This instrument is a Class A product,
and it is designed for use in the industrial
environment. Please use this instrument in
the industrial environment only.
• To meet EMC regulations, Yokogawa
recommends that customers run signal
wiring through metal conduits or use
shielded twisted-pair cabling when installing
EJX series transmitters in a plant.