6580 two-wire 4-20 mA isolator - Nokeval - (Version JPG) - PDF Catalogue | Technical Documentation

IXIakeval

www.nokeval.com Yrittajakatu 12 Tel. +358 3 342 4800

sales@nokeval.com FIN-37100 Nokia Fax. +358 3 342 2066

2-wire 4-20 mA isolator 6580

• Very slim, 9.5 mm only

• 2-wire output 4..20 mA

• Inputs 0..20 mA, 4..20 mA or 0..10 V

• Galvanic isolation 1000 V

• Power supply 10..34 VDC

• Voltage drop in input loop 1V

• Output load 700 ohm (with 24 V)

• Accuracy 0.05% of span

• Specially suited for programmable logics

Nokeval has designed a very slim, 9 mm only, 2-wire converter with calvanic isolation. Converter is powered by output 2-wire loop. It is specially suited to isolate analog inputs of programmable logics because those supply the power and wiring is simple. The idea of connecting power supply to output side eliminates typical problems of conventional isolators like small output load and high input side voltage drop.

Three input types are available: 0..20 and 4..20 mA or 0..10V, output is always 4..20 mA. Output load is 700 ohm by 24 VDC power supply. You can increase output

load by rising output loop voltage (see picture 3). Input voltage drop, 1 V only, enables connection of several devices to same input loop. Converter is delivered calibrated to 0.05 % accuracy of full scale. Front cover has zero and span potentiometers for eventually recalibration. The damping of standard 6580 is 10 ms.

Signal isolator 6580

+ 10..36 V Power supply 24 VDC,

Inputs:

0..20 mA 4..20 mA 0..10 V




		+ 2 h		c:
		- 1		c:
		- 1
				[

isolated from input

Output:

4..20 mA, 2-wire output

Output load can be increased by rising output loop voltage.

2-wire isolator 6580

6580 two-wire 4-20 mA isolator - Nokeval - #1

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