Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer Manual de usuario descargar pdf (Pagina 18)

IM 12D7B3-F-E

2-11 Spécifications

Stamp Company : Stamp Certification Institute :

Signature : Remarks :

Model EXA SC202S-B

Model EXA SC202S-D

No revision to drawing without prior

FM Approval

Title : FM Control Drawing SC202S-B & SC202S-D (Non-incendive Entity

concept)

Number : FF1-SC202S-00 Page : 10 of 10

Revision : 2.4

YOKOGAWA EUROPE B.V.

Date : 26/07/2004

〈 Sensor(s) are of a passive type to be regarded as ’simple apparatus’, devices which neither store nor

generate voltages over 1.5 V, currents over 0.1 A, power over 25 mW or energy over 20 µJ, or are FM

Approvals entity approved and meet connection requirements.

〈 Electrical data of the EXA SC202S -B & SC202S-D:

- Supply circuit: Vmax=32 V; Pi=1.2 W; Ci= 737 pF; Li= 2.6 H

- Sensor input circuit: Vt=14.4 V; It=12.8 mA; Ca=1.4 F; La=900 mH

When installing this equipment, fol low the manufacturers installation drawing.

Installation shall be in accordance with Article 501.4(B) of the National Electrical Code (ANSI/NFPA 79).

Nonincendive field wiring may be installed in accordance with Article 501.4(B)(3)

〈 Grounding shall be in accordance with Article 250 of the National Electrical code.

WARNING

- Substitution of components may impair suitability for Division 2.

- Do not remove or replace while circuit is live unless area is know to be non -hazardous

- Explosion Hazard — Do not disconnect equipment unless area is know to be non -hazardous

- Do not reset circuit breaker unless power has been removed from the equipment or the area is know to be non -

hazardous

Unclassified Location

Classified Location

Division 2

FM Approved

Power Supply

Voc

¡Ü

32 VDC

FM Approved

Terminator

R = 90..100

C = 0..2,2 F

EXA

SC202S-B &

SC202S-D

Sensor

Connections

Max. cablelength: 60 mtr.

Cable dia.: 3 12 mm.

FM Class I, DIV. 2, Group ABCD

T4 for ambient temp. ≤ 55 ϒC

T6 for ambient tem

. ≤ 40 ϒC

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Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer Manual de usuario Pagina 18

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