<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 Corporation
Specific conditions of use:
-
Precautions shall be taken to minimize the risk from electrostatic discharge of
painted parts.
-
When the enclosure of the Pressure Transmitters is made of aluminum alloy, if it is
mounted in Zone 0, it must be installed such that, even in the event of rare
incidents, an ignition source due to impact and/or friction sparks is excluded.
Entity Parameters [Groups: A, B, C, D, E, F and G]
Vmax: 30 V
Imax: 200 mA
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 accordance with the National Electric Code (NFPA70),
ANSI/ISA-RP12.06.01, and relevant local codes.
2.
The Associated Apparatus must be FM -approved.
3.
The following conditions must be satisfied.
Vmax
max
max
4.
In case Nonincendive Field Wiring Concept is used for the interconnection,
FM-approved Associated Nonincendive Field Wiring Apparatus, which meets the
above conditions, must be used as the General Purpose Equipment.
5.
The General Purpose Equipment connected to the Associated Apparatus must not
use or generate a voltage more than Um of the Associated Apparatus.
6.
The control drawing of the Associated Apparatus must be followe d when installing
the equipment.
7.
Dust-tight conduit seals must be used when installed in Class II or Class III
environments.
8.
WARNING –ELECTROSTATIC CHARGE MAY CAUSE AN EXPLOSION HAZARD.
AVOID ANY ACTIONS THAT CAUSE THE GENERATION OF ELECTROSTATIC
CHARGE, SUCH AS RUBBING WITH A DRY CLOTH ON COATING FACE OF THE
PRODUCT.
9.
WARNING – SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC
SAFETY AND SUITABILITY 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 Corporation
IFM024
Control drawing (intrinsic safety)
Associated Apparatus
(Safety Barrier)
Class I, II, III, Division 1
Groups A, B, C, D , E, F, G
Class I, Zone 0, Group IIC
