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Wilo Helix EXCEL 2 Einbau- Und Betriebsanleitung Seite 39

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« 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
All manuals and user guides at all-guides.com
Connection of inputs / outputs
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
control
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
external
control
set value
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
control
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
external
control
set value
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
control
aux
ext.off
MP
20mA/10
1
2
3
4
5
6
7
Remote
external
control
set value
DDS
8
9
10 11
DDS
8
9
10 11
DDS
8
9
10 11
pressure
sensor
DDS
8
9
10 11
pressure
sensor
DDS
8
9
10 11
pressure
sensor
DDS
8
9
10 11
pressure
sensor
English
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