Ashcroft A4 지침서 - 페이지 4

{카테고리_이름} Ashcroft A4에 대한 지침서을 온라인으로 검색하거나 PDF를 다운로드하세요. Ashcroft A4 5 페이지. Pressure rated incendive rated pressure transmitter

페이지 인쇄

A4 INTRINSICALLY SAFE &

NON-INCENDIVE RATED PRESSURE

TRANSMITTER INSTRUCTION SHEET

INSTALLATION NOTES≥

Voc OR Vt ≤30VDC

Isc OR It ≤100mA

Ca≥ 0.053uF + Ccable

La ≥ 0.364uH + Lcable

1. THE INTRINSIC SAFETY ENTITY CONCEPT ALLOWS THE INTERCONNECTION

OF TWO INTRINSICALLY SAFE DEVICES FM APPROVED WITH ENTITY

PARAMETERS NOT SPECIFICALLY EXAMINED IN COMBINATION AS A

SYSTEM WHEN: Uo OR Voc OR V≤t Vmax, Io OR Isc OR≤ It Imax, Ca OR Co

≥ Ci + Ccable, La OR ≥Lo Li +Lcable≤, Po Pi.

2. THE NONINCENDIVE FIELD WIRING CONCEPT ALLOWS INTERCONNECTION

OF NONINCENDING FIELD WIRING APPARATUS WITH ASSOCIATED

NONINCENDIVE FIELD APPARATUS USING ANY OF THE WIRING METHODS

PERMITTED FOR NON3HAZARDOUS (UNCLASSIFIED) LOCATIONS WHEN: Uo

OR Voc OR Vt Vmax, Io OR Isc OR It Imax, Ca OR Co + Ccable, La OR Lo Li

+Lcable, Po Pi.

3. FOR DIVISION 1 INSTALLATIONS, THE CONFIGURATION OF ASSOCIATED

APPARATUS SHALL BE FM APPROVED UNDER ENTITY CONCEPT.

HAZARDOUS (CLASSIFIED) AREA

4. FOR DIVISION 2 INSTALLATIONS USING NONINCENDIVE FIELD WIRING

CONCEPTS THE ASSOCIATED APPARATUS SHALL BE FM APPROVED UNDER

THE ENTITY

CONCEPT OR NONINCENDIVE FIELD WIRING CONCEPT.

HAZARDOUS (CLASSIFIED) AREA

MODEL A2X & A4 SERIES

4-20MA TRANSMITTER

MODEL A2X & A4 SERIES

4-20MA TRANSMITTER

MODEL A2X & A4 SERIES

4-20MA TRANSMITTER

MODEL A2X & A4 SERIES

4-20MA TRANSMITTER

All sales subject to standard terms and conditions of sale. A4_transducer_im_ RevB_(009-10166)_09-18

4.3 FM INSTALLATION GUIDELINES

INSTALLATION FOR FM

INTRINSICALLY SAFE CLASS 1, GROUPS A, B, C & D &

CLASS ll, GROUPS E, F & G &

CLASS I, DIVISION 1 & 2,

GROUPS A, B, C, & D;

CLASS II, DIVISION 1 & 2,

GROUPS E, F & G, CLASS III

CLASS I, DIVISION 1 & 2,

GROUPS A, B, C, & D;

CLASS II, DIVISION 1 & 2,

GROUPS E, F & G, CLASS III

CLASS lll

5. FOR DIVISION 2 INSTALLATIONS THE ASSOCIATED APPARATUS IS

NOT REQUIRED TO BE FM APPROVED UNDER ENTITY CONCEPT OR

NONINCENDIVE FIELD WIRING CONCEPT IF THE

A2X(4-20mA) & A4 SERIES PRESSURE TRANSDUCER IS INSTALLED IN

ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE (ANSI/NFPA 70)

FOR DIVISION 2 WIRING METHODS EXCLUDING NONINCENDIVE FIELD

WIRING.

6. CONTROL EQUIPMENT CONNECTED TO THE ASSOCIATED APPARATUS

SHALL NOT USE OR GENERATE MORE THAN 250VRMS OR VDC.

7. DIVISION 1 INSTALLATIONS SHOULD BE IN ACCORDANCE WITH ANSI/

ISA RP12.06.01, ``INSTALLATION OF INTRINSICALLY SAFE SYSTEMS FOR

HAZARDOUS (CLASSIFIED) LOCATIONS'' AND THE NATIONAL ELECTRICAL

CODE (ANSI/NFPA 70).

8. ASSOCIATED APPARATUS MANUFACTURERS INSTALLATION DRAWING

SHALL BE FOLLOWED WHEN INSTALLING THIS EQUIPMENT.

9. RUN SHIELDED INTERCONNECTION CABLE WITH SHIELD CONNECTED TO

FM APPROVED ASSOCIATED APPARATUS GROUND.

10. WARNING – DO NOT OPEN WHEN ENERGIZED.

NON-HAZARDOUS

11. WARNING – DO NOT DISCONNECT EQUIPMENT UNLESS AREA IS KNOWN

(UNCLASSIFIED) AREA

TO BE NON-HAZARDOUS.

NON-HAZARDOUS

(UNCLASSIFIED) AREA

V+

BARRIER

V–

R LOAD

250 OHM

TYP.

V+

BARRIER

V–

R LOAD

250 OHM

TYP.

V+

BARRIER

V–

R LOAD

250 OHM

TYP.

V+

BARRIER

V–

R LOAD

250 OHM

INSTALLATION NOTES:

Voc OR Vt ≤30VDC

Isc OR It ≤100mA

Ca≥ 0.053uF + Ccable

La ≥ 0.364uH + Lcable

1. THE INTRINSIC SAFETY ENT

SICALLY SAFE DEVICES FM

EXAMINED IN COMBINATIO

INSTALLATION NOTES:

It Imax, Ca OR Co ≥ Ci + Cc

Voc OR Vt ≤30VDC

Isc OR It ≤100mA

2. THE NONINCENDIVE FIELD

Ca≥ 0.053uF + Ccable

ING FIELD WIRING APPARA

La ≥ 0.364uH + Lcable

+24 VDC TYP.

USING ANY OF THE WIRING

LOCATIONS WHEN: Uo OR

1. THE INTRINSIC SAFETY EN

Lo Li +Lcable, Po Pi.

SICALLY SAFE DEVICES FM

V OUT

EXAMINED IN COMBINATIO

3. FOR DIVISION 1 INSTALLAT

It Imax, Ca OR Co ≥ Ci + Cc

(1-5 V TYP.)

BE FM APPROVED UNDER

2. THE NONINCENDIVE FIELD

4. FOR DIVISION 2 INSTALLA

ING FIELD WIRING APPAR

+24 VDC TYP.

ASSOCIATED APPARATUS

USING ANY OF THE WIRIN

NONINCENDIVE FIELD WIR

LOCATIONS WHEN: Uo OR

Lo Li +Lcable, Po Pi.

5. FOR DIVISION 2 INSTALLAT

V OUT

APPROVED UNDER ENTITY

3. FOR DIVISION 1 INSTALLA

(1-5 V TYP.)

A2 SERIES PRESSURE TRA

BE FM APPROVED UNDER

ELECTRICAL CODE (ANSI/N

–24 VDC TYP.

NONINCENDIVE FIELD WIR

4. FOR DIVISION 2 INSTALLA

ASSOCIATED APPARATUS

–

6. CONTROL EQUIPMENT CO

NONINCENDIVE FIELD WIR

GENERATE MORE THAN 25

V OUT

5. FOR DIVISION 2 INSTALLAT

(1-5 V TYP.)

7. DIVISION 1 INSTALLATION

APPROVED UNDER ENTITY

"INSTALLATION OF INTRIN

A2 SERIES PRESSURE TRA

LOCATIONS" AND THE NAT

ELECTRICAL CODE (ANSI/N

–24 VDC TYP.

NONINCENDIVE FIELD WIR

8. ASSOCIATED APPARATUS M

WHEN INSTALLING THIS EQ

–

6. CONTROL EQUIPMENT CO

GENERATE MORE THAN 2

V OUT

9. RUN SHIELDED INTERCON

ASSOCIATED APPARATUS

(1-5 V TYP.)

7. DIVISION 1 INSTALLATION

INTRINSICAL