172-65639M-01 (EF200) 13 Apr 2018
20
4.3 Connecting to TLV EC351 Flow Computer and Parameter
Settings
EF200 Pulse Output Settings
Submenu
Parameter
Selection
Pulse/
frequency/
switch output
Operating mode
Pulse
Assign pulse output
Volume flow
Volume unit
L (liter)
Value per pulse
See Table A
Pulse width
5 ms
Table A
Size
Value per pulse [dm
3
/P]
e.g. When connecting a DN 40 EF200F to
EC351, enter a “Value per pulse” of 0.855103
Size
Value per pulse [dm
3
/P]
EF200W
EF200F
EF200R
15
0.098400
0.068400
–
25
0.448700
0.347799
0.068400
40
1.039101
0.855103
0.347799
50
1.685999
1.425801
0.855103
80
3.793483
3.199488
1.425801
100
6.462871
5.542008
3.199488
150
14.47387
12.60716
5.542008
200
–
24.20136
12.60716
250
–
38.15338
–
300
–
54.73454
–
EF200W
EF200F
EF200R
15
0.098400
0.068400
–
25
0.448700
0.347799
0.068400
40
1.039101
0.855103
0.347799
50
1.685999
1.425801
0.855103
80
3.793483
3.199488
1.425801
100
6.462871
5.542008
3.199488
150
14.47387
12.60716
5.542008
200
–
24.20136
12.60716
250
–
38.15388
–
300
–
54.73454
–
EC351 Flow Rate Input Settings
Function group
Function
Selection
FLOW INPUT
K-FACTOR
See Table B
Table B
Size
K-FACTOR [P/I]
e.g. When connecting a DN 40 EF200F to
EC351, enter a “K-FACTOR” of 1.16945
Size
K-FACTOR [P/I]
EF200W
EF200F
EF200R
15
10.1626
14.61988
–
25
2.22866
2.87522
14.61988
40
0.96237
1.16945
2.87522
50
0.59312
0.70136
1.16945
80
0.26361
0.31255
0.70136
100
0.15473
0.18044
0.31255
150
0.06909
0.07932
0.18044
200
–
0.04132
0.07932
250
–
0.02621
–
300
–
0.01827
–
EF200W
EF200F
EF200R
15
10.1626
14.61988
–
25
2.22866
2.87522
14.61988
40
0.96237
1.16945
2.87522
50
0.59312
0.70136
1.16945
80
0.26361
0.31255
0.70136
100
0.15473
0.18044
0.31255
150
0.06909
0.07932
0.18044
200
–
0.04132
0.07932
250
–
0.02621
–
300
–
0.01827
–
Caution!
An additional sensor is required to convert steam flow rates to mass flow rates when
assigning measurements such as steam dryness fraction calculation to the analog
output (except temperature).
Power
Supply
+24V
+
–
+
–
Data Receiver
(Analog 4 – 20 mA
current input)
-2
1+
Compensation Signal
(Pressure or temperature)
Figure 18
Connecting to TLV flow
computer EC351
Caution!
NOTE: - Assign temperature to the analog output
- Shielded cable recommended for analog
output