Technical data – KROHNE MFC 400 EN User Manual
Page 130
8
TECHNICAL DATA
130
MFC 400
www.krohne.com
08/2013 - 4002075802 - MA MFC 400 R02 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, stop counter, range conversion, zero calibration
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
Ex i
Ex i
Ex i
Active
-
U
int
= 24 VDC
Ext. contact open:
U
0, nom
= 22 V
Ext. contact closed:
I
nom
= 4 mA
Contact open (Off):
U
0
≥ 12 V
with I
nom
= 1.9 mA
Contact closed (On):
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
-
.book Page 130 Monday, August 26, 2013 9:05 AM