Yokogawa EJA310E - Manual (Page 12)

<2. Handling Cautions>
2-4
IM 01C25B01-01E
IMPORTANT
For combined approval types
Once a device of multiple approval type is
installed, it should not be re-installed using any
other approval types. Apply a permanent mark
in the check box of the selected approval type
on the certification label on the transmitter to
distinguish it from unused approval types.
IMPORTANT
All the blind plugs which accompany the EJX/
EJA-E transmitters upon shipment from the
factory are certified by the applicable agency in
combination with those transmitters. The plugs
which are marked with the symbols “◊ Ex” on
their surfaces are certified only in combination
with the EJX/EJA-E series transmitters.
2.9.1 FM Approval
a. FM Intrinsically Safe Type
Caution for FM intrinsically safe type. (Following
contents refer “DOC. No. IFM022-A12”)
Note 1. Model EJX/EJA-E Series Differential,
gauge and absolute pressure transmitters
with optional code /FS1 are applicable for
use in hazardous locations.
• Applicable Standard: FM3600, FM3610,
FM3611, FM3810
• Intrinsically Safe for Class I, Division 1,
Groups A, B, C & D. Class II, Division 1,
Groups E, F & G and Class III, Division 1,
Class I, Zone 0 in Hazardous Locations, AEx
ia IIC
• Nonincendive for Class I, Division 2, Groups
A, B, C & D. Class II, Division 2, Groups F &
G, Class I, Zone 2, Groups IIC, in Hazardous
Locations.
• Outdoor hazardous locations, NEMA TYPE
4X.
• Temperature Class: T4
• Ambient temperature: –60 to 60°C
Note 2. Entity Parameters
• Intrinsically Safe Apparatus Parameters
[Groups A, B, C, D, E, F and G]
Vmax = 30 V Ci = 6 nF
Imax = 200 mA Li = 0 µH
Pmax = 1 W
* Associated Apparatus Parameters
(FM approved barriers)
Voc ≤ 30 V Ca > 6 nF
Isc ≤ 200 mA La > 0 µH
Pmax ≤ 1W
• Intrinsically Safe Apparatus Parameters
[Groups C, D, E, F and G]
Vmax = 30 V Ci = 6 nF
Imax = 225 mA Li = 0 µH
Pmax = 1 W
* Associated Apparatus Parameters
(FM approved barriers)
Voc ≤ 30 V Ca > 6 nF
Isc ≤ 225 mA La > 0 µH
Pmax ≤ 1 W
• Entity Installation Requirements
Vmax ≥ Voc or Uo or Vt, Imax ≥ Isc or Io or It,
Pmax (or Po) ≤ Pi, Ca or Co ≥ Ci + Ccable,
La or Lo ≥ Li + Lcable
Note 3. Installation
• Barrier must be installed in an enclosure that
meets the requirements of ANSI/ISA S82.01.
• Control equipment connected to barrier must
not use or generate more than 250 V rms or
V dc.
• Installation should be in accordance with
ANSI/ISA RP12.6 “Installation of Intrinsically
Safe Systems for Hazardous (Classified)
Locations” and the National Electric Code
(ANSI/NFPA 70).
• The configuration of associated apparatus
must be FMRC Approved.
• Dust-tight conduit seal must be used when
installed in a Class II, III, Group E, F and G
environments.
• Associated apparatus manufacturer’s
installation drawing must be followed when
installing this apparatus.
• The maximum power delivered from the
barrier must not exceed 1 W.
• Note a warning label worded
“SUBSTITUTION OF COMPONENTS MAY
IMPAIR INTRINSIC SAFETY,” and “INSTALL
IN ACCORDANCE WITH DOC. No. IFM022-
A12”