Emerson DLC3010 Przewodnik Szybki Start Pobierz pdf (Strona 33)

Quick Start Guide

D103214X012

DLC3010 Digital Level Controller

September 2014

Figure 15. FM Loop Schematic

28B5745‐C

1. THE INSTALLATION MUST BE IN ACCORDANCE WITH

 THE NATIONAL ELECTRIC CODE (NEC), NFPA 70, ARTICLE

 504 AND ANSI/ISA RP12.6.

2. CLASS 1, DIV 2 APPLICATIONS MUST BE INSTALLED AS SPECIFIED

 IN NEC ARTICLE 501-4(B). EQUIPMENT AND FIELD WIRING IS

 NON-INCENDIVE WHEN CONNECTED TO APPROVED BARRIERS WITH

 ENTITY PARAMETERS.

3. LOOPS MUST BE CONNECTED ACCORDING TO THE BARRIER

 MANUFACTURERS INSTRUCTIONS.

4. MAXIMUM SAFE AREA VOLTAGE SHOULD NOT EXCEED 250 Vrms.

5. RESISTANCE BETWEEN BARRIER GROUND AND EARTH GROUND

 MUST BE LESS THAN ONE OHM.

6. NORMAL OPERATING CONDITIONS 30 VDC 20 mADC.

7. IF HAND-HELD COMMUNICATOR OR MULTIPLEXER IS USED,

 IT MUST BE FM APPROVED AND INSTALLED PER THE

 MANUFACTURE'S CONTROL DRAWING.

8. FOR ENTITY INSTALLATION (I.S. AND N.I.);

Vmax > Voc, or Vt Ci + Ccable < Ca

Imax > Isc, or It Li + Lcable < La

Pi > Po, or Pt

9. 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.

HAZARDOUS LOCATION

I.S. CLASS I,II,III DIV 1, GROUPS A,B,C,D,E,F,G

N.I. CLASS I, DIV 2, GROUPS A,B,C,D

NON-HAZARDOUS LOCATION

FM APPROVED BARRIER

SEE NOTE 7

FISHER TYPE DLC3010

Vmax = 30 VDC

Imax = 226 mA

Ci - 5.5 nF

Li = 0.4 mH

Pi = 1.4 W

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