Instruction Manual

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
=32VDC/ 24VAC,
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 -