Grundfos TPE Series - Signal Relays

English (GB)
58
18. 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 of signal relays when activated
Operating
mode
Operation Running Ready Alarm Warning
The power is
off.
Off
-
The pump runs
in "Normal"
mode.
Green, rotating
"Normal",
"Min." or
"Max."
The pump runs
in "Manual"
mode.
Green, rotating
"Manual"
The pump is in
operating mode
"Stop".
Green, steady
"Stop"
Warning, but
the pump is
running.
Yellow, rotating
"Normal",
"Min." or
"Max."
Warning, but
the pump runs
in "Manual"
mode.
Yellow, rotating
"Manual"
Warning, but
the pump was
stopped via a
"Stop"
command.
Yellow, steady
"Stop"
Alarm, but the
pump is
running.
Red, rotating
"Normal",
"Min." or
"Max."
Alarm, but the
pump runs in
"Manual" mode.
Red, rotating
"Manual"
The pump has
stopped due to
an alarm.
Red, flashing
"Stop"
NCNO
C
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
NCNO
C
C
NO NC
C
NO NC
NCNO
C
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
NCNO
C
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
NCNO
C
C
NO NC
NCNO
C
NCNO
C
C
NO NC
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
C
NO NC
NCNO
C
C
NO NC
C
NO NC
NCNO
C
C
NO NC
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
NCNO
C