Technical data – KROHNE OPTISONIC 7300 EN User Manual
Page 100

8
TECHNICAL DATA
100
OPTISONIC 7300
www.krohne.com
09/2012 - 4001102303 - MA OPTISONIC 7300 R03 en
Low-flow cutoff
Low-flow cutoff
Low-flow cutoff
Low-flow cutoff
On
0...±9.999 m/s; 0...20.0%, settable in 0.1% steps, separately for each current
and pulse output.
Off
0...±9.999 m/s; 0...19.0%, settable in 0.1% steps, separately for each current
and pulse output.
Time constant
Time constant
Time constant
Time constant
Function
Can be set together for all flow indicators and outputs, or separately for:
current, pulse and frequency output, limit switches and the 3 internal
counters.
Time setting
0…100 seconds, settable in 0.1 second steps.
Current input
Current input
Current input
Current input
Function
For conversion to standard conditions, input from external temperature and
pressure transmitters is required.
Operating data
Basic I/Os
Modular I/Os
Ex i
Active
-
U
int
= 24 VDC
I ≤ 22 mA
I
max
≤ 26 mA
(electronically limited)
U
0, min
= 19 V at
I ≤ 22 mA
U
int
= 20 VDC
I ≤ 22 mA
U
0, min
= 14 V at
I ≤ 22 mA
No HART
®
No HART
®
U
0
= 24.1 V
I
0
= 99 mA
P
0
= 0.6 W
C
0
= 75 nF / L
0
= 0.5 mH
No HART
®
Passive
-
U
ext
≤ 32 VDC
I ≤ 22 mA
I
max
≤ 26 mA
(electronically limited)
U
0, max
= 5 V at
I ≤ 22 mA
U
ext
≤ 32 VDC
I ≤ 22 mA
U
0, max
= 4 V at I ≤ 22 mA
No HART
®
No HART
®
U
I
= 30 V
I
I
= 100 mA
P
I
= 1 W
C
I
= 10 nF
L
I
=0 mH
No HART
®