KROHNE MFC 300 EN - Manual (Page 140)

8
TECHNICAL DATA
140
MFC 300
www.krohne.com 02/2012 - 4000498602 - MA MFC 300 R03 en
Passive U
ext
≤ 32 VDC -
f
max
in operating menu set to
f
max
≤ 100 Hz:
I ≤ 100 mA
open:
I ≤ 0.05 mA at U
ext
= 32 VDC
closed:
U
0, max
= 0.2 V at I ≤ 10 mA
U
0, max
= 2 V at I ≤ 100 mA
f
max
in operating menu set to
100 Hz < f
max
≤ 10 kHz:
I ≤ 20 mA
open:
I ≤ 0.05 mA at U
ext
= 32 VDC
closed:
U
0, max
= 1.5 V at I ≤ 1 mA
U
0, max
= 2.5 V at I ≤ 10 mA
U
0, max
= 5.0 V at I ≤ 20 mA
NAMUR - Passive to EN 60947-5-6
open:
I
nom
= 0.6 mA
closed:
I
nom
= 3.8 mA
Passive to EN 60947-5-6
open:
I
nom
= 0.43 mA
closed:
I
nom
= 4.5 mA
U
i
= 30 V
I
i
= 100 mA
P
i
= 1 W
C
i
=10 nF
L
i
~ 0 mH
Low flow cut off Low flow cut off Low flow cut off Low flow cut off
Function Switching point and hysteresis separately adjustable for each output, counter and
the display
Switching point Set in increments of 0.1.
0…20% (current output, frequency output)
Hysteresis Set in increments of 0.1.
0…5% (current output, frequency output)
Time constant Time constant Time constant Time constant
Function The time constant corresponds to the elapsed time until 67% of the end value has
been reached according to a step function.
Settings Set in increments of 0.1.
0…100 s
.book Page 140 Monday, February 6, 2012 11:01 AM