flowIQ® 3100 TECHNICAL DESCRIPTION
53
Ka st up A/S • Te h i al Des iptio •
5512-1242_D1_GB
•
09.2016
13.1
Connection Pulse Interface
The pulse interface has two outputs
–
V
olume 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 to GND, i.e. the output is a ti e lo . A kΩ
resistance is placed from Pull-Up to
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
{
N/A
Power supply
VDC
-
+
-
Pulse
receiver
