TECHNICAL DATA
8
125
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Inputs and outputs
General
All outputs are electrically isolated from each other and from all other circuits.
All operating data and output values can be adjusted.
Description of the used
abbreviations
U
ext
= external voltage; R
L
= load + resistance;
U
o
= terminal voltage; I
nom
= nominal current
Safety limit values (Ex-I):
U
I
= max. input voltage; I
I
= max. input current; P
I
= max. input power rating;
C
I
= max. input capacity; L
I
= max. input inductivity
Current output
Current output
Current output
Current output
Output data
Volume flow, mass flow, diagnostics value, flow velocity, coil temperature,
conductivity
Settings
Without HART
Without HART
Without HART
Without HART
®
Q = 0%: 0
…
20 mA; Q = 100%: 10
…
21.5 mA
Error identification: 0
…
22 mA
With HART
With HART
With HART
With HART
®
Q = 0%: 4
…
20 mA; Q = 100%: 10
…
21.5 mA
Error identification: 3.5
…
22 mA
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
Ex i
Ex i
Ex i
Active
U
int, nom
= 24 VDC
I
≤
22 mA
R
L
≤
1 k
Ω
U
int, nom
= 20 VDC
I
≤
22 mA
R
L
≤
450
Ω
U
0
= 21 V
I
0
= 90 mA
P
0
= 0.5 W
C
0
= 90 nF / L
0
= 2 mH
C
0
= 110 nF / L
0
= 0.5 mH
Passive
U
ext
≤
32 VDC
I
≤
22 mA
U
0
≥
1.8 V
R
L
≤
(U
ext
- U
0
) / I
max
U
ext
≤
32 VDC
I
≤
22 mA
U
0
≥
4 V
R
L
≤
(U
ext
- U
0
) / I
max
U
I
= 30 V
I
I
= 100 mA
P
I
= 1 W
C
I
= 10 nF
L
I
~ 0 mH
.book Page 125 Wednesday, June 10, 2009 4:20 PM
