Ashcroft A4 Инструктивный лист - Страница 5

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A4 INTRINSICALLY SAFE &

NON-INCENDIVE RATED PRESSURE

TRANSMITTER INSTRUCTION SHEET

INSTALLATION NOTES:

Vmax 30VDC

Imax 100mA

Ci = 0.053uF

Li = 0.364uH

1. THE INTRINSIC SAFETY ENTITY CONCEPT ALLOWS THE INTERCONNECTION

OF TWO INTRINSICALLY SAFE DEVICES CSA CERTIFIED WITH ENTITY

PARAMETERS NOT SPECIFICALLY EXAMINED IN COMBINATION AS A

SYSTEM WHEN: Uo OR Voc Vmax, Io OR Isc 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 Vmax, Io OR Isc Imax,

Ca OR Co + Ccable, La OR Lo Li +Lcable, Po Pi.

3. FOR DIVISION 1 INSTALLATIONS, THE CONFIGURATION OF ASSOCIATED

APPARATUS SHALL BE CSA CERTIFIED UNDER ENTITY CONCEPT.

HAZARDOUS (CLASSIFIED) AREA

4. FOR DIVISION 2 INSTALLATIONS USING NONINCENDIVE FIELD WIRING

CONCEPTS THE ASSOCIATED APPARATUS SHALL BE CSA CERTIFIED

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

4.4 CSA INSTALLATION GUIDELINES

INSTALLATION FOR CSA

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 llI

5. FOR DIVISION 2 INSTALLATIONS THE ASSOCIATED APPARATUS IS

NOT REQUIRED TO BE CSA CERTIFIED UNDER ENTITY CONCEPT OR

NONINCENDIVE FIELD WIRING CONCEPT IF THEA2X

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

IN ACCORDANCE WITH THE CANADIAN ELECTRICAL CODE (CEC,

CAN/CSA3C22.1) 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. ASSOCIATED APPARATUS MANUFACTURERS INSTALLATION DRAWING

SHALL BE FOLLOWED WHEN INSTALLING THIS EQUIPMENT.

8. RUN SHIELDED INTERCONNECTION CABLE WITH SHIELD CONNECTED TO

FM APPROVED ASSOCIATED APPARATUS GROUND.

9. WARNING – SUBSTITUTION OF COMPONENETS MAY IMPAIR INTRINSIC

SAFETY

10. WARNING – TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE

ATMOSPHERES, DISCONNECT POWER BEFORE SERVICING.

NON-HAZARDOUS

(UNCLASSIFIED) AREA

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

TYP.

INSTALLATION NOTES:

Vmax 30VDC

Imax 100mA

Ci = 0.053uF

Li = 0.364uH

1. THE INTRINSIC SAFETY ENTIT

SICALLY SAFE DEVICES CSA C

INSTALLATION NOTES:

EXAMINED IN COMBINATION

Co Ci + Ccable, La OR Lo Li +L

Vmax 30VDC

Imax 100mA

Ci = 0.053uF

2. THE NONINCENDIVE FIELD WI

Li = 0.364uH

ING FIELD WIRING APPARATU

+24 VDC TYP.

USING ANY OF THE WIRING M

1. THE INTRINSIC SAFETY ENTIT

LOCATIONS WHEN:

Uo OR Voc Vmax, Io OR Isc Im

SICALLY SAFE DEVICES CSA

Ca OR Co + Ccable, La OR Lo

EXAMINED IN COMBINATION

V OUT

Co Ci + Ccable, La OR Lo Li +L

(1-5 V TYP.)

3. FOR DIVISION 1 INSTALLATIO

2. THE NONINCENDIVE FIELD W

BE CSA CERTIFIED UNDER EN

ING FIELD WIRING APPARAT

+24 VDC TYP.

4. FOR DIVISION 2 INSTALLATIO

USING ANY OF THE WIRING M

ASSOCIATED APPARATUS SH

LOCATIONS WHEN:

NONINCENDIVE FIELD WIRIN

Uo OR Voc Vmax, Io OR Isc I

Ca OR Co + Ccable, La OR Lo

V OUT

5. FOR DIVISION 2 INSTALLATIO

(1-5 V TYP.)

3. FOR DIVISION 1 INSTALLATIO

CSA CERTIFIED UNDER ENTIT

A2 SERIES PRESSURE TRANS

BE CSA CERTIFIED UNDER EN

–24 VDC TYP.

ELECTRICAL CODE (CEC, CAN

4. FOR DIVISION 2 INSTALLATI

NONINCENDIVE FIELD WIRING

–

ASSOCIATED APPARATUS SH

6. CONTROL EQUIPMENT CONN

NONINCENDIVE FIELD WIRIN

V OUT

GENERATE MORE THAN 250V

(1-5 V TYP.)

5. FOR DIVISION 2 INSTALLATIO

7. ASSOCIATED APPARATUS MA

CSA CERTIFIED UNDER ENTIT

WHEN INSTALLING THIS EQU

A2 SERIES PRESSURE TRANS

–24 VDC TYP.

ELECTRICAL CODE (CEC, CAN

8. RUN SHIELDED INTERCONNE

NONINCENDIVE FIELD WIRIN

–

ASSOCIATED APPARATUS GR

6. CONTROL EQUIPMENT CONN

V OUT

9. WARNING 3 SUBSTITUTION O

GENERATE MORE THAN 250

(1-5 V TYP.)

10. WARNING 3 TO PREVENT IGN

7. ASSOCIATED APPARATUS MA

DISCONNECT POWER BEFOR

WHEN INSTALLING THIS EQU

INTRINSICALLY