Yokogawa EJX438A User Manual

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User’s

Manual

DPharp

Differential Pressure and

Pressure Transmitters

Manual Change No. 12-021-2

For the products of EJX and EJA-E series with any of the following option codes, please refer to this manual change for handling cautions ofATEX approval.

Model	Option code	Applicable part of this
Model	Option code	manual change
		manual change

EJX110A, EJX115A, EJX118A, EJX120A,	/KF21, /KS2
EJX130A, EJX210A, EJX310A, EJX430A,		( I )
EJX438A, EJX440A, EJX510A, EJX530A,		( I )
EJX438A, EJX440A, EJX510A, EJX530A,
EJX610A, EJX630A

EJX110A, EJX115A, EJX118A, EJX120A,	/KS26
EJX130A, EJX210A, EJX310A, EJX430A,
EJX438A, EJX440A, EJX510A, EJX530A,
EJX610A, EJX630A,		( II )
EJA110E, EJA115E, EJA118E, EJA120E,
EJA130E, EJA210E, EJA310E, EJA430E,
EJA438E, EJA440E, EJA510E, EJA530E

Oct. 15, 2012

( I )

 ATEX Certification

(1) Technical Data

a. ATEX Intrinsically Safe Type

Caution forATEX Intrinsically safe type.

Note 1. Model EJX Series pressure transmitters with optional code /KS2 for potentially explosive atmospheres:

•No. KEMA03ATEX1544 X

•Applicable Standard:

EN 50014:1997, EN 50020:2002, EN 50284:1999, EN 50281-1-1:1998

•Type of Protection and Marking code: EEx ia IICT4

•Group: II

•Category: 1G, 1D

•AmbientTemperature for gas-proof: –50 to 60°C

•ProcessTemperature (Tp.): 120°C max.

•Maximum SurfaceTemperature for dustproof:

T85°C (Tamb.: –40* to 60°C,Tp.: 80°C) T100°C (Tamb.: –40* to 60°C,Tp.: 100°C)

T120°C (Tamb.: –40* to 60°C,Tp.: 120°C)

* –15°C when /HE is specified.

•Enclosure: IP66 and IP67

Note 2. Electrical Data

•In type of explosion protection intrinsic safety EEx ia IIC only for connection to a certified intrinsically safe circuit with following maximum values:

Ui = 30 V, Ii = 200 mA, Pi = 0.9 W, Effective internal capacitance; Ci = 10 nF, Effective internal inductance; Li = 0 mH

Note 3. Installation

•All wiring shall comply with local installation requirements. (Refer to the installation diagram)

Note 4. Maintenance and Repair

•The instrument modification or parts replacement by other than authorized representative ofYokogawa Electric Corporation is prohibited and will void KEMA Intrinsically safe Certification.

Note 5. Special Conditions for Safe Use

•In the case where the enclosure of the PressureTransmitter is made of aluminium,

<2. Handling Cautions>

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.

[Installation Diagram]

Hazardous Location	Nonhazardous Location
Transmitter
+	+
Supply	Safety Barrier *1
–	–

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. ATEX Flameproof Type

Caution forATEX flameproof type.

Note 1. Model EJX Series pressure transmitters with optional code /KF21 for potentially explosive atmospheres:

•No. KEMA07ATEX0109

•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 IICT6...T4, Ex tDA21 IP6xT85,T100,T120

•Group: II

•Category: 2G, 2D

•Enclosure: IP66 and IP67

•Temperature Class for gas-poof: T6,T5, andT4

•AmbientTemperature for gas-proof: –50 to 75°C (T6), –50 to 80°C (T5), and –50 to 75°C (T4)

•Maximum ProcessTemperature (Tp.) for gas-proof:

85°C (T6), 100°C (T5), and 120°C (T4)

•Maximum SurfaceTemperature for dustproof:

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 specified.

<2. Handling Cautions>

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 certified flameproof type, suitable for the conditions of use.

Note 4. Operation

•Keep the “WARNING” label attached to the transmitter.

WARNING:AFTER DE-ENERGIZING, DELAY5 MINUTES BEFORE OPENING. WHENTHEAMBIENTTEMP.≥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 modification or part replacement by other than an authorized representative ofYokogawa Electric Corporation is prohibited and will void KEMA Flameproof Certification.

WARNING

To satisfy IP66 or IP67, apply waterproof glands to the electrical connection port.

(2) Electrical Connection

Amark indicating the electrical connection type is stamped near the electrical connection port.These marks are as followed.

Screw Size	Marking
ISO M20 × 1.5 female	M
ANSI 1/2 NPT female	A or W

Location of the mark

F0208.ai

(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 CIRCUITBEFORE REMOVING COVER. INSTALLINACCORDANCE 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

●Name plate

●Tag plate for flameproof type

No. KEMA 07ATEX0109
Ex d IIC T6...T4,	Ex tD A21, IP6X
Enlcosure : IP66, IP67		T6	T5	T4
TEMP. CLASS					°C
MAX PROCESS TEMP.(Tp.)		85	100	120
Tamb.	-50 to	75	80	75	°C
T85°C(Tamb.:40°C, Tp.:80°C),T100°C(Tamb.:60°C, Tp.:100°C),
T120°C(Tamb.:80°C, Tp.:120°C)			Min.Tamb.:-40(-15)°C(for Dust)