<2. Handling Cautions>
2-9
IM 01C25W05-01EN
b. FM Explosionproof Type
Caution for FM explosionproof type.
Note 1. EJX/EJA-E Series pressure transmitters
with optional code /FF1 are applicable for
use in hazardous locations.
• Applicable Standard:
FM3600:2018, FM3615:2018, FM3810:2018,
NEMA 250:2003, ANSI/UL 61010-1:2012,
ANSI/UL 61010-2-30:2012
• Explosionproof for Class I, Division 1,
Groups B, C and D.
• Dust-ignitionproof for Class II/III, Division 1,
Groups E, F and G.
• Enclosure: Type 4X
• Temperature Class: T6
• Ambient Temperature: –40 to 60°C
• Supply Voltage:
42 V dc max. (signal code “P”)
7.14 Vdc max, 20 mW (signal code “S”)
Note 2. Wiring
• All wiring shall comply with National
Electrical Code ANSI/NFPA70 and Local
Electrical Codes.
• When installed in Division 1, “FACTORY
SEALED, CONDUIT SEAL NOT
REQUIRED.”
F0204.ai
Pressure Transmitters
Master module
Power Supply
Master module and Slave module Connection
SUPPLY
SUPPLY
+
–
Master - Slave
Communication Cable
Pressure Transmitters
Slave module
+
–
+
–
A
B
Master - Slave
Communication
Connector
Note 3. Operation
• Keep the “WARNING” nameplate attached to
the transmitter.
WARNING: OPEN CIRCUIT BEFORE
REMOVING COVER. FACTORY SEALED,
CONDUIT SEAL NOT REQUIRED. INSTALL
IN ACCORDANCE WITH THE USERS
MANUAL IM 01C25.
• 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
Factory Mutual Explosionproof Approval.
c. FM Intrinsically Safe Type/FM
Explosionproof Type
Optional code /FU14 can be selected the
type of protection (FM Intrinsically Safe or FM
Explosionproof) for use in hazardous locations.
Note 1. For the installation of this transmitter,
once a particular type of protection is
selected, any other type of protection
cannot be used. The installation must be in
accordance with the description about the
type of protection in this instruction manual.
Note 2. In order to avoid confusion, unnecessary
marking is crossed out on the label other
than the selected type of protection when
the transmitter is installed.
2.9.2 ATEX Certification
(1) Technical Data
a. ATEX Intrinsically Safe
Caution for ATEX Intrinsically safe type.
Certification information
Warning:
A modification of the equipment would no
longer comply with the construction described
in the certificate documentation.
Note 1. EJX/EJA-E Series pressure transmitters
with optional code /KS24 for potentially
explosive atmospheres:
• No. FM 16ATEX0014 X
• Applicable Standard:
EN 60079-0:2012+A11:2013,
EN 60079-11:2012
• Type of Protection and Marking code:
Ex ia IIC T4 Ga
• Group: II
• Category: 1 G
• Ambient Temperature: –50 °C to +60 °C
• Maximum Process Temperature: 120 °C
• Enclosure:
IP66/IP67 in accordance with
only IEC (EN) 60529
