BEKA BA484DF, Руководство пользователя

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APPENDIX 1
FM approval for use in USA
A1.0 Factory Mutual Approval
For installations in the USA, the BA488CF and
optional alarms have been approved intrinsically
safe and nonincendive by FM Approvals, project
identification 3022546. Copies of the Certificate of
Compliance are available from BEKA associates.
A1.1 Intrinsic safety approval
The BA488CF is approved to the FM Class 3610
intrinsic safety standard for use in indoor
hazardous (classified) locations. Installations
must comply with BEKA associates Control
Drawing CI480-17, which is attached to this
Appendix, ANSI/ISA RP12.06.01 ‘Installation of
Intrinsically Safe Systems for Hazardous
(Classified) Locations’ and with the National
Electrical Code ANSI/NFPA70.
The BA488CF has a T4 rating at ambient
temperatures up to +60
o
C and may be used with
the following gases and dusts:
Intrinsic Safety
Division 1 or 2
Class I Group A & B
Group C
Group D
Zone 0, 1 or 2
Class 1 Group IIC
Group IIB
Group IIA
The FM entity parameters are identical to the
ATEX parameters and, like the ATEX certification,
confirm that terminals 1 & 2 of the BA488CF
comply with the requirements for a FISCO Field
Device specified in IEC60079-27. The intrinsically
safe circuits shown in Figs 2 and 3 of this manual
may therefore be used for installations in the USA,
providing the fieldbus power supply, terminators,
Zener barriers and galvanic isolators are FM
Approved and comply with BEKA associates
Control Drawing CI480-17. The FM Approval also
allows the BA488CF to be connected to non-
FISCO systems using the entity concept – see
section 4.2 of this manual.
A1.2 Nonincendive approval
The BA488CF is Class 3611 nonincendive
approved by Factory Mutual allowing it to be
installed in Division 2 indoor hazardous
(classified) locations without the need for Zener
barriers or galvanic isolators. Installations must
comply with the BEKA associates Control Drawing
CI480-18, which is attached to this Appendix, and
with the National Electrical Code ANSI/NFPA70.
The FM Nonincendive Approval also allows the
instrument to be connected to any FNICO
compliant fieldbus segment powered by FM
Approved Associated Nonincendive Field Wiring
Apparatus.
The BA488CF has a T4 rating at ambient
temperatures up to +60
o
C and may be used with
the following gases and dusts:
Nonincendive
Division 2
Class I Group A & B
Group C
Group D
Zone 2
Class I Group IIC
Group IIB
Group IIA