YOKOGAWA DPharp EJX Series Manuale utente

User’s

Manual

Contents

1. Introduction

1.1 For Safe Use of Product ..............................................3

1.2 Warranty ......................................................................5

2. Handling Cautions

.................................7

..............................7

..................................................7

......7

..................................... 31

...................... 31

................................................... 32

................................ 33

3. Installation

3.1 Mounting................................................................... 34

3.2

......................................34

............ 35

.................. 36

............................................. 37

.................................... 38

............. 38

4. Installing Impulse Piping

................... 39

..................... 42

115 42

5. Wiring

5.1 Wiring Precautions ................................................... 44

...... 44

5.3 Wiring ....................................................................... 47

......... 49

5.5 Grounding ................................................................ 51

........... 51

6. Operation

6.1 Preparation for Starting Operation ........................... 52

.............................................. 52

.......................................... 53

7. Errors and Countermeasures

EJX and EJA-E Series

Differential Pressure and

Pressure Transmitters

Installation Manual

<1. Introduction> 1

IM 01C25A01-01E

1. Introduction

WARNING

operating it.

Table 1.1 PDF Manual List and Applicable Style Code

[EJX series Hardware Manual]

Models Document No. Style

—

[EJX series Communication Manual]

Models Document No. Style

—

[EJA-E series Hardware Manual]

Models Document No. Style

—

[EJA-E series Communication Manual]

Models Document No. Style

—

<1. Introduction> 2

IM 01C25A01-01E

Model Document No.

Regarding This Manual

purpose.

WARNING

CAUTION

<1. Introduction> 3

IM 01C25A01-01E

IMPORTANT

NOTE

1.1 For Safe Use of Product

(a) Installation

WARNING

for operators.

(b) Wiring

WARNING

operators.

WARNING

(d) Maintenance

WARNING

(e) Explosion Protected Type Instrument

WARNING

location.

<1. Introduction> 4

IM 01C25A01-01E

WARNING

(g) Product Disposal

(h) Authorized Representative in EEA

(i) Control of Pollution Caused by the Product

Cr(VI)

PBB

PBDE

Series

GB/T26572

SJ /T11364

(j) Morocco conformity mark

<1. Introduction> 5

IM 01C25A01-01E

1.2 Warranty

installation location.

Trademarks:

<2. Handling Cautions> 6

IM 01C25A01-01E

2. Handling Cautions

included.

Table 2.1 Applicable Model Code for Mounting

Hardware

Applicable

model Part name Qty

Process

connections

Process connector 2

Process

connections

Process connector 1

118

438

115

M *

Mounting 1

1 ea.

2 ea.

438

Fluorinated oil 1

118 2

Fluorinated oil 2

EJ 110

EJ 120

EJ 130

EJ 310

EJ 430

EJ 440

F0201-1.ai

EJX910A

EJX930A -

- - B

EJ 210

- -

EJ 510

EJ 530

EJX610A

EJX630A

EJ 118

EJ 438

- -

F0201-2.ai

EJ 115 - -

Mounting bracket

(Flat type)

F0202.ai

Teflon film

Fluorinated oil

Bolt

Process connector

Gasket

U-bolt nut

U-bolt

Mounting bracket

(L type)

Transmitter mounting bolt

Cable gland and RTD cable

(EJX910A and EJX930A only)

U-bolt nut (L)

Mounting bracket

U-bolt (L)

U-bolt (S)

U-bolt nut (S)

Figure 2.1 Transmitter Mounting Hardware

<2. Handling Cautions> 7

IM 01C25A01-01E

Check

F0203.ai

Figure 2.2 Name Plate

2.2 Selecting the Installation

Location

location.

2.3 Pressure Connection

WARNING

piping.

2.4 Installation of an Explosion-

Protected Instrument

CAUTION

WARNING

<2. Handling Cautions> 8

IM 01C25A01-01E

WARNING

IMPORTANT

types.

2.4.1 FM Approval

a. FM Intrinsically Safe/Nonincendive for

HART/BRAIN Protocol Type (Except for

EJX9 0A)

Model: EJX Series Date: October 22, 2003

Rev.2: July 16, 2019 Doc. No.: IFM022-A12 P.1

Yokogawa Electric Corpor ation

Control Drawing

Cl ass I, II, III, Divi si on 1

Gro u ps A, B, C, D, E, F, G

Cl ass I, Zone 0, Group I I C

EJX Series

Pressu r e T ransmitter

Sup p l

Cl ass I, II, Division 2

Gro u ps A, B, C, D, F, G

Cl ass III, Division 1

Cl ass I, Zone 2, Group IIC

EJX Series

Pressu r e Transmitter

Sup p l

(Refer to Note 4)

Associated Apparatus

(Safe ty Barr i e r )

General

Purpose

Equipment

General

Purpo se

Equ i p ment

<2. Handling Cautions> 9

IM 01C25A01-01E

Model: EJX Series Date: October 22, 2003

Rev.3: July 16, 2019 Doc. No.: IFM022-A12 P.2

Yokogawa Electric Corpor ation

Specific conditions of use:

- Precautions sh all be taken to minimize the risk from electrostatic discharge of

painted parts.

- When the enc losure of the Pressure Transmitters is m ade of aluminum alloy, if it is

mounted in Zone 0, it m ust be install ed such that, even in the event of rare

incidents, an ignition source due to impac t and/o r fricti on spark s is excluded.

Entity Parameters [Groups: A, B , C, D, E, F and G]

Vmax: 30 V

Imax: 200 m A

Pmax: 1 W

Ci: 6 nF

Li: 0 µH

Entity Parameters [Groups: C, D, E, F and G]

Vmax: 30 V

Imax: 225 mA

Pmax: 1 W

Ci: 6 nF

Li: 0 µH

Notes:

1. Installation must be in ac cordance with the N ational Electric Code (NFPA70),

ANSI/ISA-RP12.06.01, and relevant local codes.

2. The Associated Apparatus mu st be FM -approved.

3. The following conditions m ust be satisfied.

Vmax

max

4. In case Nonincendive Field Wi ring Conc ept is used f or the interconnecti on,

FM-appr oved Associated Noni ncendive Field Wiring Apparatus, which meets the

abov e conditions, must be used as the General Purpose Equipment.

5. The General Purpose Equipment connected to the Assoc iated Apparatus m ust not

use or generate a voltage more than Um of the Associated Apparatus.

6. The control drawi ng of the Associated Apparatus must be followe d whe n instal ling

the equipment.

7. Dust- tight condu it seal s must be used when installed i n Class II or Class III

environments.

8. WARNIN G –ELECTROSTATIC CHARGE MAY CAUSE A N EXPLOSION HAZARD.

AVOID ANY ACTIONS THAT CAUS E THE GENERATIO N OF ELECTROSTATIC

CHARGE, SUCH AS RUB BING WITH A DRY CLOTH ON COATING FACE OF THE

PRODUCT.

9. WARNIN G – SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC

SAFETY AND SUITABIL ITY FOR HAZARDOUS LOCATION

b. FM Intrinsically Safe/Nonincendive for

Fieldbus Type (Except for EJX9 0A)

locations.

FM 3611

Model: EJX-F Series Date: January 27, 2005

Rev.1: July 16, 2019 Doc. No.: IFM024-A12 P.1

Yokogawa Electric Corpor ation

IFM 024

Control drawing (intrinsic safety)

ssociated Apparatus

(Safety Barrier)

Class I, II, III, Di v i s ion 1

Group s A, B, C, D , E, F , G

Class I, Zo n e 0 , Gr o up IIC

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