beautypg.com

Yokogawa EJX930A User Manual

Page 13

background image

<2. Handling Cautions>

2-2

IM 01C25T02-01E

b. FM Intrinsically safe and Nonincendive

Type

The transmitters with optional code /FS15.

• Applicable standard:

FM3600, FM3610, FM3611, FM3810,

ANSI/NEMA250, IEC60079-27

• FM Intrinsically Safe Approval

[Entity Model]

Class I, II & III, Division 1, Groups A, B, C, D,

E, F & G, Temperature Class T4 Ta=60°C,

Type 4X and Class I, Zone 0, AEx ia IIC,

Temperature Class T4 Ta=60°C, NEMA 4X

[FISCO Model]

Class I, II & III, Division 1, Groups A, B, C, D,

E, F & G, Temperature Class T4 Ta=60°C,

Type 4X and Class I, Zone 0, AEx ia IIC,

Temperature Class T4 Ta=60°C, NEMA 4X

• Nonincendive Approval

Class I, Division 2, Groups A, B, C & D

Temperature Class T4 Ta=60°C, Type 4X and

Class II, Division 2, Groups F & G Temperature

Class T4 Ta=60°C, NEMA 4X and Class I, Zone

2, Group IIC, Temperature Class T4 Ta=60°C,

NEMA 4X

• Electrical Connection: 1/2 NPT female, M20

female

• Caution for FM Intrinsically safe type. (Following

contents refer to “DOC. No. IFM024-A12 p.1,

p.2, p.3, p.4-1 and p.4-2.”)

IFM024-A12

Installation Diagram for Intrinsically

safe (Division 1 Installation)

Non-Hazardous Location

Hazardous Location

F0201.ai

Terminator

Safety Barrier

Field Instruments

Pressure

Transmitter

Field Instruments

+

+

+

Terminator

+

+

Note 1. Barrier must be installed in an enclosure

that meets the requirements of ANSI/ISA

61010-1.

Note 2. Control equipment connected to the Associ

ated Apparatus must not use or generate

more than 250 Vrms or Vdc.

Note 3. Installation should be in accordance

with ANSI/ISA 12.06.01 “Installation of

Intrinsi cally Safe Systems for Hazardous

(Classified) Locations” and the National

Electrical Code (ANSI/NFPA 70) Sections

504 and 505.

Note 4. The configuration of Associated Apparatus

must be Factory Mutual Research

Approved under FISCO Concept.

Note 5. Associated Apparatus manufacturer’s

installa tion drawing must be followed

when installing this equipment.

Note 6. No revision to drawing without prior

Factory Mutual Research Approval.

Note 7. Terminator must be FM Approved.
Note 8. Note a warning label worded "SUBSTITU

TION OF COMPONENTS MAY IMPAIR

INTRINSIC SAFETY", and "INSTALL IN

ACCORDANCE DOC.NO.IFM024-A12 P.1

TO 4."