YOKOGAWA DPharp EJX Series User manual

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
S3
S1
S2
S2
S2
S1
S2
S1
S2
S1
—
—
[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.
(c) Operation
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
Pb Hg Cd Cr(VI) PBB PBDE
Series
/
×
×
×
×
GB/T26572
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
4
Process connector 2
Process connector 2
Process
connections
2
Process connector 1
Process connector 1
118
438
115
M *
1
2
1
4
Mounting 1
2
1
2
1 ea.
2 ea.
1
1
2
438
1
Fluorinated oil 1
118 2
Fluorinated oil 2
EJ 110
EJ 120
EJ 130
EJ 310
EJ 430
EJ 440
-
1
2
3
4
-
B
D
G
J
K
M
F0201-1.ai
EJX910A
EJX930A -
1
2
3
4
1
2
3
4
B
C
D
-
B
D
G
J
K
M
- - B
J
EJ 210
1
2
3
4
- -
EJ 510
EJ 530
EJX610A
EJX630A
EJ 118
EJ 438
F
L
- -
F0201-2.ai
B
D
J
K
EJ 115 - -
Mounting bracket
(Flat type)
F0202.ai
Teflon film
Fluorinated oil
Bolt
Process connector
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
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)
A
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