KROHNE OPTIFLUX 7300 EN - Manual (Page 29)

TECHNICAL DATA
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OPTIFLUX 7300
www.krohne.com 01/2011 - 4001163301 - MA OPTIFLUX 7300 R01 en
Inputs and outputs
General All outputs are electrically isolated from each other and from all other
circuits.
All operating data and output values van be adjusted.
Description of the used
abbreviations
U
ext
= external voltage
R
L
= load + resistance
U
o
= terminal voltage
l
nom
= nominal current
Safety limit values (Ex i): Safety limit values (Ex i): Safety limit values (Ex i): Safety limit values (Ex i):
U
i
= max. input voltage
l
l
= max. input current
P
l
= max. input power rating
C
l
= max. input capacity
L
l
= max. input inductivity
Current output Current output Current output Current output
Output data Volume flow, mass flow, diagnostics value, flow velocity, coil temperature.
Settings
Without HART Without HART Without HART Without HART ®
Q = 0%: 0...20 mA
Q = 100%: 10...21.5 mA
Error identifications: 10...21.5 mA
With HART With HART With HART With HART ®
Q = 0%: 4...20 mA
Q = 100%: 10...21.5 mA
Error identifications: 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 kΩ
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