English (GB)
18
18. Signal relays
The motor has two outputs for potential-free signals via two
internal relays.
The signal outputs can be set to "Operation", "Running", "Ready",
"Alarm" and "Warning".
The functions of the two signal relays appear from the table
below:
Description
Grundfos Eye
Contact position for signal relays when activated
Operating
mode
Operation Running
Ready
Alarm
Warning
Power off.
Off
-
Pump running in "Normal"
mode.
Green, rotating
Normal, Min.
or Max.
Pump running in "Manual"
mode.
Green, rotating
Manual
Pump in operating mode
"Stop".
Green, steady
Stop
Warning, but the pump is
running.
Yellow, rotating
Normal, Min.
or Max.
Warning, but the pump is
running in "Manual" mode.
Yellow, rotating
Manual
Warning, but the pump
was stopped via "Stop"
command.
Yellow, steady
Stop
Alarm, but the pump is
running.
Red, rotating
Normal, Min.
or Max.
Alarm, but the pump is
running in "Manual" mode.
Red, rotating
Manual
Pump stopped due to an
alarm.
Red, flashing
Stop
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
