2.2 Overview of alarms and warnings
Function
Stator winding temperature
Moisture in top cover
Moisture in pump
Air in oil chamber
Water in oil chamber
Missing signal from water-in-oil sensor
Insulation resistance too low
Configuration conflict
Main bearing temperature too high*
Support bearing temperature too high*
Missing signal from bearing sensor*
Communication fault*
Time for service
Internal fault
* Pump with SM 111
2.3 General installation data
Supply voltage:
Supply current:
Power consumption:
Ambient temperature:
Enclosure class:
Warning
Check that the supply voltage
corresponds to the values stated on
the nameplate:
24 VAC/VDC ± 10 %. Min. 2.4 A.
Warning
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24 VAC ± 10 %,
50 & 60 Hz
24 VDC ± 10 %
Min. 2.4 A; max. 8 A
Max. 5 W
-25 °C to +65 °C
IP20
ATEX/IECEx protection activated
Standard
Alarm
Warning
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2.4 SM 111
The SM 111 is used for the collection and transfer of
sensor data. The SM 111 works together with the
IO 111* as shown below.
IO 111
T1 T2
G1 A1 G2 A2 K1 K2 R1 R2
PE
communication
A Y B
D1 D2 D3 D4 D5 D6 D7 D8
using Grundfos
ON
DIP
1 2 3 4 5 6 7 8 9 10
P1 P2 P3 P4 P5
I1 I2 I3
Fig. 2
IO 111 and SM 111
* Only IO 111 versions with communication module,
part number 96177804.
The SM 111 can collect data from
•
3 current sensors, 4-20 mA
•
3 Pt100 thermal sensors
•
1 Pt1000 thermal sensor
•
1 PTC thermal sensor
•
1 digital input.
(DIP switch 10 on)
Alarm
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SM 111
Power line
GENIbus
protocol
1 2 3 4 5 6 7 8 9 10 11 1213 14
Sensor inputs
7