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flowIQ® 3100 TECHNICAL DESCRIPTION
Kamstrup
A/S • Technical Description • 5512
-1242_N1
_GB •
10.2019
59
Simplified diagram for Pulse Adapter output
18.5.1
Description
Pulse output:
Type
Open Drain
Maximum input voltage
30V
Maximum current sink
27mA
On voltage
Vout < 0.3V @ 0.1mA current
Vout < 2V @ 27mA current
OFF condition
R > 6Mohm
The connection marked
’
-
‘
must be connected to the receiver's GND level.
The connection marked
‘+’
should be connected to a pull-up resistor of an appropriate size,
so that the maximum limits, shown in the table above, are met.
TB1 pin 1 "+"
+
TB1 pin 2 "-"
+
R1
10ohm