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11.7.3 External setpoint (3.3)
The input for external setpoint signal (terminal 53) can be set to
the following types:
•Active
•Not active.
If "Active" is selected, the actual setpoint is influenced by the
signal connected to the external setpoint input. See section
14.2 External setpoint.
11.7.4 Signal relays 1 and 2 (3.4 and 3.5)
The CUE has two signal relays. In the display below, select in
which operating situations the signal relay should be activated.
11.7.5 Buttons on the CUE (3.6)
The editing buttons (+, -, On/Off, OK) on the control panel can be
set to these values:
•Active
• Not active.
When set to "Not active" (locked), the editing buttons do not
function. Set the buttons to "Not active" if the pump should be
controlled via an external control system.
Activate the buttons by pressing the arrow up and arrow down
buttons simultaneously for 3 seconds.
11.7.6 Protocol (3.7)
This display shows the protocol selection for the RS-485 port of
the CUE. The protocol can be set to these values:
•GENIbus
•FC
•FC MC.
If "GENIbus" is selected, the communication is set according to
the Grundfos GENIbus standard. FC and FC MC are for service
purposes only.
Signal relay 1 Signal relay 2
• Ready
•Alarm
• Operation
• Pump running
• Not active
• Warning
• Relubricate.
• Ready
•Alarm
• Operation
• Pump running
• Not active
• Warning
• Relubricate.
For the distinction between alarm and warning,
see section 11.5.3 Fault indications.