Warning – Yokogawa EJX440A User Manual

Page 3

Advertising
background image

<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,

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 modification or part

replacement by other than an authorized

representative of Yokogawa 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
A mark indicating the electrical connection type is

stamped near the electrical connection port. These

marks are as followed.

F0208.ai

Location of the mark

Screw Size

Marking

ISO M20 × 1.5 female
ANSI 1/2 NPT female

M

A or

W

(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 CIRCUIT BEFORE REMOVING

COVER. INSTALL IN ACCORDANCE 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

● Tag plate for intrinsically safe type

F0209.ai

D

D

AFTER DE-ENERGIZING, DELAY 5 MINUTES

BEFORE OPENING.

WHEN THE AMBIENT TEMP.

65°C,

USE THE HEAT-RESISTING CABLES

90°C

No. KEMA 07ATEX0109

Ex d IIC T6...T4, Ex tD A21, IP6X

Enlcosure : IP66, IP67

TEMP. CLASS T6 T5 T4

MAX PROCESS TEMP.(Tp.) 85 100 120 °C

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)

No. KEMA 03ATEX1544 X

EEx ia IIC T4

IP66 and IP67

Tamb. -50 to 60°C MIN. Tamb.:-40(-15)°C(for DUST)

MAX. PROCESS TEMP.(Tp.) 120°C

T85°C(Tp.:80°C), T100°C(Tp.:100°C), T120°C(Tp.:120°C)

Ui=30V, Ii=200mA , Pi=0.9W, Ci=10nF, Li=0

WARNING

Advertising
This manual is related to the following products: