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Electrical connections – KROHNE UFM 530 HT EN User Manual

Page 24

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4

ELECTRICAL CONNECTIONS

24

UFM 530 HT

www.krohne.com

12/2013 - 4002393201- HB UFM 530 HT R02 en

Non Ex HiPower version

Figure 4-6: Terminals for non Ex HiPower instrument.

Terminal

Function

Specification

1

DC power supply from converter for active
wiring of inputs and outputs.

22 VDC at full load, 24 VDC maximum,
I ≤ 100 mA.

2

Combined current output (I) and digital
input (C). Current output (I) includes
HART

®

-Communication.

Current output (I): I ≤ 22 mA,
R

load

≤ 680 Ω, U

max

= 15 VDC.

Digital input (C): low = 0...5 VDC,
high = 15...32 VDC (will be switched off
when current output activated).

3

Pulse / frequency output.

I

max

= 150 mA, U

max

= 32 VDC / 24 VAC,

maximal frequency = 2 kHz.

4

Analog input 2, for temperature or
pressure measurement.

0(4)...20 mA, R

i

= 58,2 Ω, fuse = 50 mA.

5

Analog input 1, for temperature
measurement.

0(4)...20 mA, R

i

= 58,2 Ω, fuse = 50 mA.

6

Common ground

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