Yokogawa EJX930A User Manual
Page 22
<3. Handling Cautions>
3-5
IM 01C25R01-01E
[For CSA C22.2]
• Explosion-proof for Class I, Groups B, C and
D.
• Dustignition-proof for Class II/III, Groups E, F
and G.
• Enclosure: TYPE 4X
• Temperature Code: T6...T4
[For CSA E60079]
• 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)
* –15°C when /HE is specified.
• Power Supply:
42 V dc max. (HART Communication Type)
9 to 30 V dc, 250 mW (Modbus
Communication Type)
For F
OUNDATION
Fieldbus communication
type, refer to IM 01C25R03-01E.
• Output signal:
4 to 20 mA (HART Communication Type)
Modbus (Modbus Communication Type)
For F
OUNDATION
Fieldbus communication
type, refer to IM 01C25R03-01E.
Note 2. Wiring
• All wiring shall comply with Canadian
Electrical Code Part I and Local Electrical
Codes.
• In hazardous location, wiring shall be in
conduit as shown in the figure.
• WARNING:
A SEAL SHALL BE INSTALLED WITHIN
50cm OF THE ENCLOSURE.
UN SCELLEMENT DOIT ÊTRE INSTALLÉ À
MOINS DE 50cm DU BOÎTIER.
• WARNING:
WHEN INSTALLED IN CL.I, DIV 2, SEAL
NOT REQUIRED.
UNE FOIS INSTALLÉ DANS CL I, DIV 2,
AUCUN JOINT N'EST REQUIS.
Note 3. Operation
• WARNING:
AFTER DE-ENERGIZING, DELAY 5
MINUTES BEFORE OPENING.
APRÉS POWER-OFF, ATTENDRE 5
MINUTES AVANT D'OUVRIR.
• WARNING:
WHEN AMBIENT TEMPERATURE ≥ 65°C,
USE THE HEAT-RESISTING CABLES ≥
90°C.
QUAND LA TEMPÉRATURE AMBIANTE
≥ 65°C, UTILISEZ DES CÂBLES
RÉSISTANTES Á LA CHALEUR ≥ 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 and Yokogawa Corporation of
America is prohibited and will void Canadian
Standards Explosionproof Certification.
Non-hazardous
Location
Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Non-Hazardous
Locations
Hazardous Locations Division 1
Non-Hazardous
Locations
Hazardous Locations Division 2
50 cm Max.
Sealing Fitting
Conduit
Non-hazardous
Location
Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Sealing Fitting
F0304.ai
SUPPL
Y
PUL
SE
CHECK
ALARM
SUPPL
Y
PUL
SE
CHECK
ALARM
EJX910A
EJX910A