Instruction Manual

ELECTRICAL CONNECTIONS 4
27
UFM 530 HT
www.krohne.com12/2013 - 4002393201- HB UFM 530 HT R02 en
The following Ex-i Modis versions have two Modis modules, providing intrinsically safe input /
output circuits. Modis versions don't have analogue inputs A1 / A2.
Ex-i (Modis) version
Figure 4-9: Terminals for instrument with Ex-i (Modis)
Terminal Function Specification
1 Neutral mains power supply 100...240 VAC, 24 VAC or 24 VDC
2 Live mains power supply 100...240 VAC, 24 VAC or 24 VDC
3 Ground for pulse, frequency or status
output
4 Pulse, frequency or status output I
max
= 150 mA, U
max
=32VDC/ 24VAC,
maximal frequency = 2 kHz.
5 Current output Current output (I): I ≤ 22 mA,
R
load
≤ 680 Ω, U
max
= 15 VDC.
6 Ground for current output