Emerson Fisher 4320 Bedienerhandbuch PDF herunterladen (Seite 17)

Instruction Manual

D103621X012

4320 Position Monitor

April 2014

Figure 8. Installation Drawing Notes; See Figure 9 for Battery Module Assembly & Figure 10 for External Power Option



INSTALLATION MUST BE IN ACCORDANCE WITH THE NATIONAL WIRING PRACTICES OF THE COUNTRY IN USE.

 BARRIERS MUST BE CONNECTED PER MANUFACTURE'S INSTALLATION INSTRUCTIONS.

 INTRINSICALLY SAFE APPARATUS MAY BE CONNECTED TO ASSOCIATED APPARATUS NOT SPECIFICALLY

 EXAMINED IN SUCH COMBINATION. THE CRITERIA FOR INTERCONNECTION IS THAT THE VOLTAGE (Ui) AND

 THE CURRENT (Ii) OF THE INTRINSICALLY SAFE APPARATUS MUST BE EQUAL TO OR GREATER THAN THE

 VOLTAGE (Uo) AND CURRENT (Io) DEFINED BY THE ASSOCATED APPARATUS. IN ADDITION, THE SUM OF

 THE MAXIMUM UNPROTECTED CAPACITANCE (Ci) AND INDUCTANCE (Li) OF EACH INTRINSICALLY SAFE

 APPARATUS, AND THE INTERCONNECTING WIRING, MUST BE LESS THAN THE ALLOWABLE CAPACITANCE (Co)

 AND INDUCTANCE (Lo) DEFINED BY THE ASSOCIATED APPARATUS. IF THESE CRITERIA ARE MET, THEN THE

 COMBINATION MAY BE CONNECTED.

 FORMULAS Ui > Uo

Ii > Io

Ci + Ccable < Co

Li + Lcable < Lo

Pi > Po

 RESISTANCE BETWEEN BARRIER GROUND AND EARTH GROUND MUST BE LESS THAN ONE OHM.

 IF HAND-HELD COMMUNICATOR OR MULTIPLEXER IS USED, IT MUST BE APPROVED WITH ENTITY

 PARAMETERS AND INSTALLED PER THE MANUFACTURER'S CONTROL DRAWING.

WARNING

THE APPARATUS ENCLOSURE CONTAINS ALUMINUM AND IS CONSIDERED TO CONSTITUTE

A POTENTIAL RISK OF IGNITION BY IMPACT OR FRICTION. AVOID IMPACT AND FRICTION

DURING INSTALLATION AND USE TO PREVENT RISK OF IGNITION.

GE59530-B, sheet 1

Figure 9. Installation Drawing for Battery Module Assembly; See Notes in Figure 8

HART COMM TERMINALS

WP1/WP2

BATTERY

MODULE

ASSEMBLY

HAND HELD

HAZARDOUS LOCATION NON-HAZARDOUS LOCATION

INTRINSICALLY SAFE

CLASS I DIV 1 GP ABCD

CLASS I, ZONE 0 GP IIC

4320 POSITION MONITOR

Ui = 6.0 V

Ii = 5 mA

Pi = 30 mW

Ci = 2.5 nF

Li = 0 mH

Uo = 6.0 V

Io = 14 mA

Po = 84 mW

Co = 39 mf

Lo = 150 mH

HART COMM TERMINALS

(BATTERY MODULE - WP1 / WP2)

GE59530-B, sheet 1

MAIN BOARD

ASSEMBLY

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