Yokogawa EJA110E Bedienungsanleitung PDF herunterladen (Seite 15)

<2. Handling Cautions>

2-7

IM 01C25B01-01E

• Explosion-proof for Class I, Groups B, C and

D.

• Dustignition-proof for Class II/III, Groups E, F

and G.

• Enclosure: NEMA TYPE 4X

• Temperature Code: T6...T4

• Ex d IIC T6...T4

• Enclosure: IP66/IP67

• Maximum Process Temperature: 120°C (T4),

100°C (T5), 85°C (T6)

• Ambient Temperature: –50* to 75°C (T4),

–50* to 80°C (T5), –50* to 75°C (T6)

* –15°C when /HE is specied.

• Supply Voltage: 42 V dc max.

• Output Signal: 4 to 20 mA dc

Note 2. Wiring

• All wiring shall comply with Canadian

Electrical Code Part I and Local Electrical

Codes.

• In hazardous location, wiring shall be in

conduit as shown in the gure.

• WARNING:

A SEAL SHALL BE INSTALLED WITHIN

50cm OF THE ENCLOSURE.

UN SCELLEMENT DOIT ÊTRE INSTALLÉ À

MOINS DE 50cm DU BOÎTIER.

• WARNING:

WHEN INSTALLED IN CL.I, DIV 2, SEAL

NOT REQUIRED.

UNE FOIS INSTALLÉ DANS CL I, DIV 2,

AUCUN JOINT N'EST REQUIS.

Non-hazardous

Location

Equipment

42 V DC Max.

4 to 20 mA DC

Signal

Non-Hazardous

Locations

Hazardous Locations Division 1

50 cm Max.

Sealing Fitting

Conduit

SUPPLY

PULSE

CHECK

ALARM

Transmitter

F0205-1.ai

Non-Hazardous

Locations

Hazardous Locations Division 2

Non-hazardous

Location

Equipment

42 V DC Max.

4 to 20 mA DC

Signal

Sealing Fitting

SUPPLY

PULSE

CHECK

ALARM

Transmitter

F0205-2.ai

• All wiring shall comply with local installation

requirements and local electrical code.

• In hazardous locations, the cable entry

devices shall be of a certied ameproof

type, suitable for the conditions of use and

correctly installed.

• Unused apertures shall be closed with

suitable ameproof certied blanking

elements. (The plug attached is ameproof

certied.)

Note 3. Operation

• WARNING:

AFTER DE-ENERGIZING, DELAY 5

MINUTES BEFORE OPENING.

APRÉS POWER-OFF, ATTENDRE 5

MINUTES AVANT D'OUVRIR.

• 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 modication 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 Certication.

c CSA Intrinsically Safe Type/CSA

Explosionproof Type

Model EJX/EJA-E Series pressure transmitters

with optional code /CU1 or /V1U1 can be

selected the type of protection (CSA Intrinsically

Safe or CSA 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.

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