KROHNE IFC 300 Converter EN - Manual (Page 150)

8
TECHNICAL DATA
150
IFC 300
www.krohne.com 08/2010 - 4000069803 - MA IFC 300 R04 en
Operating data Basic I/Os Basic I/Os Basic I/Os Basic I/Os Modular I/Os Modular I/Os Modular I/Os Modular I/Os Ex i I/Os Ex i I/Os Ex i I/Os Ex i I/Os
Passive U
ext
≤ 32 VDC -
f
max
in operating menu set to
f
max
≤ 100 Hz:
I ≤ 100 mA
R
L, max
= 47 kΩ
R
L, min
= (U
ext
- U
0
) / I
max
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
R
L, max
= 47 kΩ
R
L, min
= (U
ext
- U
0
) / I
max
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 Current output, frequency output: 0…20%; set in increments of 0.1
Pulse output: Unit is volume flow or mass flow and not limited
Hysteresis
Time constant Time constant Time constant Time constant
Function The time constant corresponds to the elapsed time until 63% of the end value has
been reached according to a step function.
Settings Set in increments of 0.1.
0…100 s