Grundfos TPE2 - 22 Signal Relays

22. Signal relays
The pump has two outputs for potential-free signals
via two internal relays.
You can set the signal outputs to Operation, Pump
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
Pump
running
Ready Alarm Warning
The power is off.
Off
NCNOC
NCNOC
NCNOC
NCNOC
NCNOC
-
The pump is
running in
Normal mode.
Green, rotating
C NCNO
C NCNO
C NCNO
NCNOC
NCNOC
Normal,
Min. or Max.
The pump runs in
Manual mode.
Green, rotating
C NCNO
C NCNO
NCNOC
NCNOC
NCNOC
Manual
The pump is in
operating mode
Stop.
Green, steady
NCNOC
NCNOC
C NCNO
NCNOC
NCNOC
Stop
Warning, but the
pump runs.
Yellow, rotating
C NCNO
C NCNO
C NCNO
NCNOC
C NCNO
Normal,
Min. or Max.
Warning, but the
pump runs in
Manual mode.
Yellow, rotating
C NCNO
C NCNO
NCNOC
NCNOC
C NCNO
Manual
Warning, but the
pump was
stopped via Stop
command.
Yellow, steady
NCNOC
NCNOC
C NCNO
NCNOC
C NCNO
Stop
Alarm, but the
pump runs.
Red, rotating
C NCNO
C NCNO
NCNOC
C NCNO
NCNOC
Normal,
Min. or Max.
Alarm, but the
pump runs in
Manual mode.
Red, rotating
C NCNO
C NCNO
NCNOC
C NCNO
NCNOC
Manual
The pump has
stopped due to
an alarm.
Red, flashing
NCNOC
NCNOC
NCNOC
C NCNO
NCNOC
Stop
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English (GB)