KROHNE IFC 300 Converter EN - Manual (Page 152)

8
TECHNICAL DATA
152
IFC 300
www.krohne.com 08/2010 - 4000069803 - MA IFC 300 R04 en
Control input Control input Control input Control input
Function Hold value of the outputs (e.g. for cleaning work), set value of the outputs to "zero",
counter and error reset, range change.
Start of dosing when dosing function is activated.
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
Active - U
int
= 24 VDC
Ext. contact open:
U
0, nom
= 22 V
Ext. contact closed:
I
nom
= 4 mA
Contact closed (on):
U
0
≥ 12 V
with I
nom
= 1.9 mA
Contact open (off):
U
0
≤ 10 V
with I
nom
= 1.9 mA
-
Passive 8 V ≤ U
ext
≤ 32 VDC
I
max
= 6.5 mA
at U
ext
≤ 24 VDC
I
max
= 8.2 mA
at U
ext
≤ 32 VDC
Contact closed (on):
U
0
≥ 8 V
with I
nom
= 2.8 mA
Contact open (off):
U
0
≤ 2.5 V
with I
nom
= 0.4 mA
3 V ≤ U
ext
≤ 32 VDC
I
max
= 9.5 mA
at U
ext
≤ 24 V
I
max
= 9.5 mA
at U
ext
≤ 32 V
Contact closed (on):
U
0
≥ 3 V
with I
nom
= 1.9 mA
Contact open (off):
U
0
≤ 2.5 V
with I
nom
= 1.9 mA
U
ext
≤ 32 VDC
I ≤ 6 mA at U
ext
= 24 V
I ≤ 6.6 mA at U
ext
= 32 V
On:
U
0
≥ 5.5 V or I ≥ 4 mA
Off:
U
0
≤ 3.5 V or I ≤ 0.5 mA
U
i
= 30 V
I
i
= 100 mA
P
i
= 1 W
C
i
= 10 nF
L
i
= 0 mH
NAMUR - Active to EN 60947-5-6
Terminals open:
U
0, nom
= 8.7 V
Contact closed (on):
U
0, nom
= 6.3 V
with I
nom
> 1.9 mA
Contact open (off):
U
0, nom
= 6.3 V
with I
nom
< 1.9 mA
Detection of cable break:
U
0
≥ 8.1 V with I ≤ 0.1 mA
Detection of cable short
circuit:
U
0
≤ 1.2 V with I ≥ 6.7 mA
-