9.57 Priority of settings
With Grundfos GO, you can set the motor to operate
at maximum speed or to stop.
If two or more functions are enabled at the same
time, the motor operates according to the function
with the highest priority.
If you have set the motor to maximum speed via the
digital input, the motor operating panel or Grundfos
GO can only set the motor to Manual or Stop.
The priority of the settings appears from the table
below:
Priority
Start/stop
button
Grundfos GO or operating panel
on motor
Digital input Bus communication
1 Stop
2
Stop
12)
3 Manual
4
Maximum speed / User defined
speed
12)
5 Stop
6 User defined speed
7 Stop
8
Maximum speed / User
defined speed
9 Minimum speed
10 Start
11 Maximum speed
12 Minimum speed
13 Minimum speed
14 Start
15 Start
12)
Stop and Maximum speed settings made with Grundfos GO or on the motor operating panel can be overruled by another
operating-mode command sent from a bus, for example Start. If the bus communication is interrupted, the motor resumes its
previous operating mode, for example Stop, that was selected with Grundfos GO or the motor operating panel.
9.58
Factory settings for Grundfos GO
Settings With factory-fitted sensor
Without factory-fitted
sensor
Setpoint 75 % of sensor range 75 % speed
Operating mode Normal Normal
Set user-defined speed 67 % 67 %
Control mode Constant pressure Constant curve
Pipe-filling function Not active Not active
Buttons on product Active Active
Stop function (Low-flow stop function) Not active Not active
Controller
Kp: 0.5
Ti: 0.5
Kp: 0.5
Ti: 0.5
Operating range 25-100 % 25-100 %
79
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