KROHNE UFM 500 EN User Manual
Page 9
9
2.2.3
Connections diagrams
1-beam system, sensor cable MR 02
UFM 400 F, all meter sizes
UFM 500 F, meter size
≤
DN 40 /
≤
1½”
2-beam system, sensor cable MR 04
UFM 500 F, meter size
≥
DN 50 /
≥
2”.
2.3
Outputs
2.3.1
Abbreviations
Abbreviation
Stands for
Setting via fct. no. ...
Description
see sect. ...
EC
Electronic counter
-
5.8 + 2.3.5
EMC
Electro-mechanical counter
-
5.8 + 2.3.5
F
Frequency (pulse) output
3.4.1 & seq.
5.8
F
100 %
Pulses for Q = 100% flowrate or pulse value
3.4.2 + 3.4.3
5.8
F
max
Pulses at Q higher than 100% flow
(max. 125% of F
100%
)
-
5.8
I
Current output
3.3.1 & seq.
5.7
I
0%
Current at Q = 0% flow
3.3.2 + 3.3.3
5.7
I
100%
Current at Q = 100% flow
3.3.2 + 3.3.4
5.7
I
max
Current at Q = over 100% flow
3.3.5
5.7
Q
0%
0% flowrate
-
5.3 (5.7 + 5.8)
Q
100%
Full-scale range, 100% flowrate
F: 3.1.1 / R: 3.1.2 + 3.1.3
5.3 (5.7 + 5.8)
Q
max
Max. flow, Q greater than 100%
corresponding to I
max
+ F
max
-
5.3 (5.7 + 5.8)
SMU
Low-flow cutoff for I + F
I: 3.3.7 / F: 3.4.6
5.10
SMU-I
Low-flow cutoff I / on value
off value
3.3.8
3.3.9
5.10
5.10
SMU-F
Low-flow cutoff F /on value
off value
3.4.7
3.4.8
5.10
5.10
S.VELO
Sound velocity of ultrasonic waves in the
product.
3.1.8 + 3.1.9 / 3.2.4
I: 3.3.1 & seq.
F: 3.4.1 & seq.
5.17 / 5.5
5.7
5.8
F/R
Forward/reverse flow
-
5.11
1
2
3
4
1
2
3
4
UFC 400 F
UFC 500 F
UFS 400/500
N L
N L PE
AC
L- L+
DC, 24 Volts
MR 02
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
UFC 500 F
UFS 400/500
N L
N L PE
AC
L- L+
DC, 24 Volts
MR 04
1
2
3
4
1
2
3
4