Yokogawa EJX930A - Manual (Page 17)

<2. Handling Cautions>
2-6
IM 01C25T02-01E
• 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
32 V DC Max.
15 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
32 V DC Max.
15 mA DC
Signal
Sealing Fitting
SUPPL Y PULSE
CHECK ALARM
Transmitters
SUPPL Y
PULSE
CHECK ALARM
Transmitters
F0204.ai
b. CSA Intrinsically safe and Nonincendive
Type
The transmitters with optional code /CS15.
• Certificate: 1689689
• Applicable standard: C22.2 No.0, C22.2 No.0.4,
C22.2 No.25, C22.2 No.94, C22.2 No.157,
C22.2 No.213, C22.2 No.61010-1-04, C22.2
CAN/CSA E60079-0, CAN/CSA E60079-11,
CAN/CSA E60079-15, IEC 60529
• CSA Intrinsically Safe Approval
Class I, Division 1, Groups A, B, C, & D; Class
II, Division 1, Groups E, F & G; Class III; Ex ia
IIC T4
Ambient Temperature: –40* to 60°C (–40* to
140°F) Encl. NEMA 4X, IP66/IP67
* –15°C when /HE is specified.
• CSA Nonincendive Approval
Class I, Division 2, Groups A, B, C, & D; Class
II, Division 2, Groups F & G; Class III; Ex nL IIC
T4
Ambient Temperature: –40* to 60°C (–40* to
140°F) Encl. NEMA 4X, IP66/ IP67
* –15°C when /HE is specified.
 Caution for CSA Intrinsically safe type.
(Following contents refer to “DOC. No.
ICS018)
Installation Diagram for Intrinsically safe
(Division 1 Installation)
Non-Hazardous Location
Hazardous Location
F0205.ai
Terminator
Safety Barrier
Field Instruments
Pressure
Transmitter
Field Instruments
+
–
+
–
+
–
Terminator
+
– +
–
Note 1. The safety barrier must be CSA certified.
Note 2. Input voltage of the safety barrier must be
less than 250Vrms/Vdc.