Signal Relays - Grundfos TPE2 D Manual Del Usuario

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
The power is off.
The pump runs in Normal
mode.
The pump runs in Manual
mode.
The pump is in operating
mode Stop.
Warning, but the pump
runs.
Warning, but the pump
runs in Manual mode.
Warning, but the pump
was stopped via Stop
command.
Alarm, but the pump runs.
Alarm, but the pump runs
in Manual mode.
The pump has stopped
due to an alarm.
Contact position for signal relays when activated
Grundfos Eye
Operation
Off
C NO
Green, rotating
C NO NC
Green, rotating
C NO NC
Green, steady
C NO
Yellow, rotating
C NO NC
Yellow, rotating
C NO NC
Yellow, steady
C NO
Red, rotating
C NO NC
Red, rotating
C NO NC
Red, flashing
C NO
Pump
Ready Alarm
running
NC C NO NC C NO NC C
C NO NC C NO NC
C
C NO NC
C NO NC C
C NO NC
NC C NO NC C
C NO NC C NO NC
C
C NO NC
C NO NC C
C NO NC
NC C NO NC C
C NO NC C NO NC
C NO NC
C NO NC C NO NC
C NO NC
C NO NC
NC C NO NC C NO NC
Operating
mode
Warning
-
NO NC C NO NC
Normal, Min.
or Max.
NO NC C NO NC
Manual
NO NC C NO NC
Stop
NO NC C NO NC
Normal, Min.
or Max.
C NO NC
NO NC
Manual
C NO NC
NO NC
Stop
C NO NC
NO NC
Normal, Min.
or Max.
C NO NC
Manual
C NO NC
Stop
C NO NC
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