Technical Data Installation Flow Meter - Zenner MULTIDATA WR3 Manual De Instalacion Y Uso

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Technical data installation flow meter
Flow sensor input
Electrical
connection
Passive with
mechanical
contact (Reed)
10
Passive with
open drain FET
11
Active f.ex.
10
With
Uhigh = 2,5 ... 3,6 V
Ulow =
C-Mos Gate
11
Technical data additional inputs
Electrical
connection
52/
54
Passive with
mechanical
53/
contact (Reed)
52/
54
Passive with
open drain FET
53/
55
Connection data outputs
Ext. Voltage 3V...30V DC
Max. current
20mA
1 Hz
Output fre- (8 Hz dynamically swith-
quency cing, if output with 1 Hz is
not possible)
Switching 1 Hz: 400ms < tp < 600 ms
times: 8 Hz: 50ms < tp < 80 ms
18
Français
Schematic diagramm
10
11
pulse
VCC 2,5 ... 3,6 V
0 ... 0,3 V
Schematic diagram
pulse
tp tp
Connection data
1 Hz Version: fmax = 1 Hz,
Pulse-duty factor 1:1 to 1:9
Input capacitance: approx 10 nF,
Input resistance approx 850 kOhm
100 Hz Version: not allowed
1 Hz Version: fmax = 1 Hz,
Pulse-duty factor 1:1 to 1:9
Input capacitance: approx 10 nF,
Input resistance approx 850 kOhm
100 Hz Verion: fmax = 30 Hz,
Pulse-duty-factor 1:1, Input
capacitance: approx. 2,5 nF, Input
resistance approx. 850 kOhm
1 Hz Version: fmax = 1 Hz,
Pulse-duty factor 1:1 to 1:9
Uhigh = 2,5 ... 3,6 V,
Ulow = 0 ... 0,3 V,
Input capacitance: approx. 10 nF,
Input resistance approx. 850 kOhm
pulse
100 Hz Version: fmax = 100 Hz,
Pulse-duty factor 1:1
Uhigh = 2,5 ... 3,6 V,
GND
Ulow = 0 ... 0,3 V,
Input capacitance: approx. 2,5 nF,
Input resistance approx. 850 kOhm
Connection data
fmax = 1 Hz
Pulse-duty factor 1:1 to 1:9
Input capacitance: approx. 15 nF
Input resistance approx. 470 kOhm
fmax = 1 Hz
Pulse-duty factor 1:1 to 1:9
Input capacitance: approx. 15 nF
Input resistance approx. 470 kOhm
Typical connection (*)
52/
54
53/
55
(*) The connection of an external resistor may be
necessary to ensure the current limitation.
U = 3 ... 30 V
V Out
Imax = 20 mA*
Pulse
GND