Wilo Helix EXCEL 2 Notice De Montage Et De Mise En Service page 39

« Speed control » connection
Setting of the frequency by hand:
Setting of the frequency by external control:
« Constant pressure » connection
Regulation through a pressure sensor:
• 2 wires ( [20mA/10V] / +24V )
• 3 wires ( [20mA/10V] / 0V / +24V )
and setting point by the encoder
Regulation through a pressure sensor:
• 2 wires ( [20mA/10V] / +24V )
• 3 wires ( [20mA/10V] / 0V / +24V )
and setting point by the external set value
« P.I.D. control » connection
Regulation through a sensor (temperature, flow...):
• 2 wires ( [20mA/10V] / +24V )
• 3 wires ( [20mA/10V] / 0V / +24V )
and setting point by the encoder
Regulation through a sensor (temperature, flow...):
• 2 wires ( [20mA/10V] / +24V )
• 3 wires ( [20mA/10V] / 0V / +24V )
and setting point by the external set value
WILO SE 03/2013
Connection of inputs / outputs
aux
ext.off MP
1 2 3 4 5
Remote
control
aux
ext.off MP
1 2 3 4 5
Remote
control
aux
ext.off
MP
1 2 3 4 5
Remote
control
aux
ext.off
MP
1 2 3 4 5
Remote
control
aux
ext.off
MP
1 2 3 4 5
Remote
control
aux
ext.off
MP
1 2 3 4 5
Remote
control
20mA/10 DDS
6 7 8 9 10 11
20mA/10 DDS
6 7 8 9 10 11
external
set value
20mA/10 DDS
6 7 8 9 10 11
pressure
sensor
20mA/10 DDS
6 7 8 9 10 11
external pressure
set value sensor
20mA/10 DDS
6 7 8 9 10 11
pressure
sensor
20mA/10 DDS
6 7 8 9 10 11
external pressure
set value sensor
English
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