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Technical Information
How to Use in Serial Mode
Controller
Imput
Connector
Output
Connector
Fault (+24 VDC)
Fault
Start (+24 VDC)
Start
Low Speed (+24 VDC)
Low Speed
14, 11
R2, R1 (+ 24 VDC)
R2, R1
Pump Power
Monitor (10V=150W)
Monitor (Com)
Pump Frequency
Monitor (10V=81 KRPM)
Figure 44
272/297
Open = Stop
Cloed = Start
Start/Stop
1
Low Speed
2
Interlock
3
System Override
4
Soft Start
5
6
7
8
9
4 K7
15
8
4 K7
13
6
4 K7
12
5
4 K7
7, 4
2
1
9
TwisTorr 84 FS AG Rack Controller User Manual / 87-901-037-01 (A)
Open = High Speed
Cloed = Low Speed
Closed
Open
Open = Normal Start
Cloed = Soft Start
OFF = OK
ON = Fail
OFF = Stop, Normal Operation
ON = Ramp
OFF = High speed
ON = Low speed setted
OFF = Pump under speed threshold
ON = Pump over speed threshold
Power value
v
v
Speed value
= Stop
= Allow Start
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