YOKOGAWA DPharp EJX Series User Manual

<2. Handling Cautions>
2-8
IM 01C25B01-01E
Note 3. Installation
• All wiring shall comply with local installation
requirements. (Refer to the installation
diagram)
Note 4. Maintenance and Repair
• Theinstrumentmodicationorparts
replacement by other than authorized
representative of Yokogawa Electric
Corporation is prohibited and will void KEMA
IntrinsicallysafeCertication.
Note 5. Special Conditions for Safe Use
• In the case where the enclosure of the
Pressure Transmitter is made of aluminium,
if it is mounted in an area where the use of
category 1 G apparatus is required, it must
be installed such, that, even in the event of
rare incidents, ignition sources due to impact
and friction sparks are excluded.
Transmitter
Supply
Safety Barrier
*1
Nonhazardous Location
[Installation Diagram]
Hazardous Location
+
–
+
–
F0206.ai
*1: In any safety barriers used the output current must be
limited by a resistor “R” such that Imaxout-Uz/R.
WARNING
To satisfy IP66 or IP67, apply waterproof glands
to the electrical connection port.
b. CENELECATEX(KEMA)FlameproofType
Caution for CENELEC ATEX (KEMA)
ameprooftype.
Note 1. Model EJX Series pressure transmitters
with optional code /KF21 for potentially
explosive atmospheres:
• No. KEMA 07ATEX0109
• Applicable Standard: EN 60079-0:2006,
EN 60079-1:2004, EN 61241-0:2006,
EN 61241-1:2004
• Type of Protection and Marking Code: Ex d
IIC T6...T4, Ex tD A21 IP6x T85, T100, T120
• Group: II
• Category: 2G, 2D
• Enclosure: IP66 and IP67
• Temperature Class for gas-poof:
T6, T5, and T4
• Ambient Temperature for gas-proof:
–50* to 75°C (T6), –50* to 80°C (T5), and
–50* to 75°C (T4)
*–15°Cwhen/HEisspecied.
• Maximum Process Temperature (Tp.) for
gas-proof:
85°C (T6), 100°C (T5), and 120°C (T4)
• Maximum Surface Temperature for dust-
proof:
T85°C (Tamb.: –40* to 40°C, Tp.: 80°C)
T100°C (Tamb.: –40* to 60°C, Tp.: 100°C)
T120°C (Tamb.: –40* to 80°C, Tp.: 120°C)
*–15°Cwhen/HEisspecied.
Note 2. Electrical Data
• Supply voltage: 42 V dc max.
• Output signal: 4 to 20 mA
Note 3. Installation
• All wiring shall comply with local installation
requirement.
• Thecableentrydevicesshallbeofacertied
ameprooftype,suitablefortheconditionsof
use.
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 to the instrument
and peripheral devices in a hazardous
location.
Note 5. Maintenance and Repair
• Theinstrumentmodicationorpart
replacement by other than an authorized
representative of Yokogawa Electric
Corporation is prohibited and will void KEMA
FlameproofCertication.
WARNING
To satisfy IP66 or IP67, apply waterproof glands
to the electrical connection port.

YOKOGAWA DPharp EJX Series Specifications

General

Brand	YOKOGAWA
Model	DPharp EJX Series
Category	Transmitter
Language	English