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OPTISONIC 6300

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1 INTRODUCTION<br />

<strong>OPTISONIC</strong> <strong>6300</strong><br />

1.5 UFC 300 F(/i)-Ex<br />

The UFC 300 F(/i)-Ex is the separate version of the ultrasonic signal converter and has<br />

intrinsically safe connections to the ultrasonic flow sensor in separate version. The ultrasonic<br />

signal converter is either provided with increased safety or intrinsically safe in-/outputs that are<br />

located in the terminal compartment, which can either be configured as “Ex d” or “Ex e”.<br />

The converter is marked with one of the following codes:<br />

• II 2(1) G Ex de [ia] IIC T6 or II 2 G Ex de [ia] IIC T6 for the terminal compartment of the signal<br />

converter housing in type of protection increased safety "Ex e" in accordance with EN 60079-<br />

7.<br />

• II 2(1) G Ex d [ia] IIC T6 or II 2 G Ex d [ia] IIC T6 for the terminal compartment of the signal<br />

converter housing designed as flameproof enclosure "Ex d" according to EN 60079-1. The<br />

customer must provide "Ex d" approved cable glands in accordance with the European<br />

Directive 94/9 EC (ATEX 100a).<br />

The terminal compartment contains the connecting terminals for the mains supply and in-<br />

/outputs. It has three M20 x 1,5 - 6H cable/conduit entry holes for use with appropiate cable<br />

glands, blind plugs or conduit adapters ("Ex e" or "Ex d" approved).<br />

WARNING!<br />

"Ex d" approved cable glands / blind plugs are not part of the standard delivery package and<br />

must be provided by the customer or explicitly ordered at the manufacturer.<br />

When conduits are used, the terminal compartment must be a flameproof enclosure "Ex d"<br />

according to EN 60079-1. The conduits must be sealed by "Ex d" approved sealing devices, e.g. a<br />

stopping box with setting compound, directly at the conduit entrances.<br />

The intrinsically safe transducer output connections have the following values:<br />

U o = 8,2 V I o = 210 mA P o = 435 mW C o = 1,3 μF or 0,8 μF L o = 0,5 mH or 1,2 mH<br />

8<br />

www.krohne.com<br />

03/2010 - 7309972300 - EX <strong>OPTISONIC</strong> <strong>6300</strong> R03 en

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