COMAC CAL FLOW 38 Installation And Technical Manual

Technical and instalation
manual FLOW 38 Batch Page 41 (of 49) COMAC CAL
s.r.o.
Factory settings
The current loop is set in such a manner that 4 mA corresponds to zero flow and 20 mA corresponds
to its maximum value.
The address of the meter is set to 1 by default and communication parameters to 2400Bd,8db,1sb,parity
EVEN (Mbus) or 9600Bd,8db,1sb, no parity (Modbus).
Access password (PIN) for parameter changing is always set to 0000 and this value will be reset in
case of restoring to factory default settings.
Impulse constants and current loop – factory settings
Diameter nominal
Impulse output
4 – 20mA (in Qmin/Qmax 1/100 range)
DN
Vout[imp/l]
Vout - pulse width [ms]
Q[l/h] for 4mA
Q[l/h] for 20mA
4
10
4
0
600
6
10
4
0
1,200
8
10
4
0
2,200
10
10
4
0
3,400
15
10
4
0
7,600
20
10
4
0
14,200
25
10
4
0
21,000
32
1
4
0
34,000
40
1
4
0
54,000
50
1
4
0
84,000
65
1
4
0
144,000
80
1
4
0
220,000
100
0.1
4
0
340,000
125
0.1
4
0
534,000
150
0.1
4
0
760,000
200
0.1
4
0
1,350,000
300
0.1
4
0
3,052,000
400
0.1
2.5
0
5,400,000
500
0.1
2.5
0
8,480,000
600
0.01
2.5
0
12,200,000
Diameter
nominal
Resolution V
Resolution Q
DN≤25
V [0.001 m3]
Q [0.001 m3/h]
80≥DN>25
V [0.01 m3]
Q [0.01 m3/h]
DN>80
V [0.1 m3]
Q [0.1 m3/h]

COMAC CAL FLOW 38 Specifications

General

Brand	COMAC CAL
Model	FLOW 38
Category	Measuring Instruments
Language	English