VUIGN102
© Danfoss | Energy Meters | 2017.03 | 5
Installation & User Guide
Infocal 9
1.5.
Flow meter or flow sensor connection
For connection of flow meter/sensor to energy calculator Infocal 9 it is important to know in which pipe
(supply –q1 or return – q2) this flow meter/sensor will be installed:
Flow sensor in return pipe
Infocal 9 terminal
External 3.6 V*
9(+U)
Flow pulse
52 (q2+)
Ground
11 (q2-)
Wiring to flow meter SONO 3500 CT:
SONO 3500 CT in
supply pipe
Infocal 9 terminal
56 (flow pulse)
10 (q1+)
57 (ground)
11 (q1-)
SONO 3500 CT in
return pipe
Infocal 9 terminal
56 (flow pulse)
52 (q2+)
57 (ground)
11 (q2-)
Wiring to flow sensor SonoSensor 30:
SonoSensor 30 in
supply pipe
Infocal 9 terminal
18 (flow pulse)
10 (q1+)
19 (ground)
11 (q1-)
SonoSensor 30 in
return pipe
Infocal 9 terminal
18 (flow pulse)
52 (q2+)
19 (ground)
11 (q2-)
Wiring to flow sensor SONO 1500 CT:
SONO 1500 CT in
return pipe
Infocal 9 terminal
Vcc (brown)*
9 (+U)
Pulse (white)
52 (q2+)
GND (blue)
11 (q1-)
Flow sensor in supply pipe
Infocal 9 terminal
External 3.6 V*
9(+U)
Flow pulse
10 (q1+)
Ground
11 (q1-)
*only if external supply for flow meter/sensor is needed.
white
blue
yellow
brown