KROHNE OPTISONIC 7300 EN - Manual (Page 95)

TECHNICAL DATA
8
95
OPTISONIC 7300
www.krohne.com 09/2012 - 4001102303 - MA OPTISONIC 7300 R03 en
Inputs and outputs
General All in-and outputs are galvanically isolated from each other and from all other
circuits.
Description of used
abbreviations
U
ext
= external voltage
U
nom
= nominal voltage
U
int
= internal voltage
U
o
= terminal voltage
R
L
= resistance of load
I
nom
= nominal current
Current output Current output Current output Current output
Output data Measurement of volume flow, corr. volume flow, mass flow, molar mass, flow
speed, velocity of sound, gain, diagnostics 1, 2, 3, HART
® communication.
Settings
Without HART Without HART Without HART Without HART ®
Q = 0%: 0…15 mA
Q = 100%: 10…20 mA
Error identification: 3…22 mA
With HART With HART With HART With HART ®
Q = 0%: 4…15 mA
Q = 100%: 10…20 mA
Error identification: 3…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
= 24 VDC
I ≤ 22 mA
R
L
≤ 1 kΩ
U
int
= 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
o
) / I
max
U
ext
≤ 32 VDC
I ≤ 22 mA
U
0
≥ 4 V
R
L
≤ (U
ext
- U
o
) / I
max
U
I
= 30 V
I
I
= 100 mA
P
I
= 1 W
C
I
= 10 nF
L
I
= 0 mH