Yokogawa EJX930A - Manual (Page 6)

Note 4. Operation
• Keep the “WARNING” label attached to the
transmitter.
WARNING: AFTER DE-ENERGIZING,
DELAY 5 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP.≥65°C, USE
HEAT-RESISTING CABLES≥90°C.
• Take care not to generate mechanical
sparking when accessing the instrument and
peripheral devices in hazardous location.
Note 5. Maintenance and Repair
• The instrument modification or part
replacement by other than an authorized
representative of Yokogawa Electric
Corporation is prohibited and will void KEMA
Flameproof Certification.
(2) Electrical Connection
A mark indicating the electrical connection type is
stamped near the electrical connection port. These
marks are as follows.
F0210r.ai
Location of the mark
Screw Size Marking
ISO M20 × 1.5 female
ANSI 1/2 NPT female M
A or W N or
(3) Installation
WARNING
• All wiring shall comply with local installation
requirements and the local electrical code.
• There is no need for a 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 accessing the instrument and
peripheral devices in a hazardous location.
(5) Maintenance and Repair
WARNING
The instrument modification or part replacement
by other than an authorized Representative of
Yokogawa Electric Corporation is prohibited and
will void the certification.
(6) Name Plate
 Name plate
 Tag plate for flameproof type
 Tag plate for intrinsically safe type
 Tag plate for intrinsically safe type for EJX90A
F0211r.ai
D
D
AFTER DE-ENERGIZING, DELAY 5 MINUTES
BEFORE OPENING.
WHEN THE AMBIENT TEMP. ≥ 65°C,
USE THE HEAT-RESISTING CABLES ≥ 90°C
No. KEMA 07ATEX0109
Ex d IIC T6...T4, Ex tD A21, IP6X
Enlcosure : IP66, IP67
TEMP. CLASS T6 T5 T4
MAX PROCESS TEMP.(Tp.) 85 100 120 °C
Tamb. -50(-15) to 75 80 75 °C
T85°C(Tamb.:40°C, Tp.:80°C),T100°C(Tamb.:60°C, Tp.:100°C),
T120°C(Tamb.:80°C, Tp.:120°C) Min.Tamb.:-40(-15) °C(for Dust)
WARNING
No. KEMA 04ATEX1116 X
EEx ia IIB/IIC T4 Tamb.:-40(-15) to 60°C
MAX PROCESS TEMP.(Tp.):120°C
T85°C(Tp.:80°C), T100°C(Tp.:100°C), T120°C(Tp.:120°C)
Enclosure: IP66 and IP67
FISCO Field device(IIC) FISCO Field device(IIB) Entity Parameters
Ui=17.5V Ui=17.5V Ui=24V
Ii=380mA Ii=460mA Ii=250mA
Pi=5.32W Pi=5.32W Pi=1.2W
Ci=1.76nF Ci=1.76nF Ci=1.76nF
Li=0µH Li=0µH Li=0µH
D
No. KEMA 06ATEX0278 X
EEx ia IIB/IIC T4 Tamb.:-40(-15) to 60ºC
MAX PROCESS TEMP.(Tp.):120ºC
T85ºC(Tp.:80ºC), T100ºC(Tp.:100ºC), T120ºC(Tp.:120ºC)
Enclosure: IP66 and IP67
FISCO Field device(IIC) FISCO Field device(IIB) Entity Parameters
Ui=17.5V Ui=17.5V Ui=24V
Ii=380mA Ii=460mA Ii=250mA
Pi=5.32W Pi=5.32W Pi=1.2W
Ci=1.76nF Ci=1.76nF Ci=1.76nF
Li=0µH Li=0µH Li=0µH