Connection Pulse Interface - Kamstrup flowIQ 3100 Technical Description

flowIQ® 3100

13.1 Connection Pulse Interface

The pulse interface has two outputs – Volume and Energy . flowIQ® 3100 only uses the volume output.
Each pulse output consists of 3 terminals: GND , Volume Pulse and Pull-up Volume . When the pulse output
is a ti e, Pulse is d a
Pulse.
The supply for terminals 1 and 2 and the supply connected to the Pull-Up do not need to be the same or at
the same level. The connection of the 8-pole plug J1 is indicated in figures below/next page.
13.1.1 Connection with pulse receiver without supply.
Here external supply for Pull-up is required
Pulse
receiver
Ka st up A/S • Te h i al Des iptio • 5512-1242_D1_GB • 09.2016
to GND, i.e. the output is a ti e lo . A
+
VDC
-
Power supply
-
N/A
kΩ resistance is placed from Pull-Up to
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TECHNICAL DESCRIPTION
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