Yokogawa EJX930A - Manual (Page 26)

<3. Handling Cautions>
3-9
IM 01C25R01-01E
(2) Electrical Connection
A mark indicating the electrical connection type is
stamped near the electrical connection port. These
marks are as followed.
F0307.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.
(5) Maintenance and Repair
WARNING
The instrument modification or parts replacement
by other than an authorized Representative of
Yokogawa Electric Corporation is prohibited and
will void the certification.
(6) Name Plate
F0308.ai
 Name plate
• HART Communication Type
• For F OUNDATION Fieldbus communication type, refer to IM
01C25R03-01E.
• Modbus Communication Type
 Tag plate for flameproof type
 Tag plate for intrinsically safe type
 Tag plate for type n protection
D
D
No. KEMA 06ATEX0037 X
EEx ia IIC T4
IP66 and IP67
Tamb. -50(-15) to 60°C MIN Tamb.for DUST -40(-15°C)
MAX PROCESS TEMP.(Tp) 120°C
T85°C(Tp.:80°C), T100°C(Tp.:100°C), T120°C(Tp.:120°C)
Supply/Pulse circuit
Ui=30 V, Ii=200 mA, Pi=0.9 W, Ci=10 nF, Li=0 mH
Sensor circuit
Uo=30 V, Io=95.4 mA, Po=468 mW, Co=11 nF, Lo=3.9 mH
WARNING
Ex nL IIC T4 Gc
IP66 / IP67
Tamb. -30(-15) to 60°C
MAX PROCESS TEMP. 120°C
Supply Circuit / Pulse Circuit Ui=30V Ci=10nF Li=0
Sensor Circuit Uo=7.4V Io=25mA Po=46.3mW Co=11nF
Lo=3.9mH
WARNING
AFTER DE-ENERGIZING, DELAY 5 MINUTES BEFORE
OPENING.
WHEN THE AMBIENT TEMP. ≥ 65°C, USE THE
HEAT-RESISTING CABLE & CABLE GLAND ≥ 90°C
POTENTIAL ELECTROSTATIC CHARGING HAZARD
POTENTIAL ELECTROSTATIC
CHARGING HAZARD
- SEE USER’S MANUAL
No. KEMA 07ATEX0109 X
Ex d IIC T6...T4 Gb, Ex tb IIIC T85°C Db
Enlcosure : IP66, IP67
TEMP. CLASS T6 T5 T4
MAX PROCESS TEMP.(Tp.) 85 100 120 °C
Tamb. -50 to 75 80 75 °C
T85°C(Tamb.:-30(-15) to 75°C, Tp.:85°C)(for Dust)
*3
*3