Grundfos IO 111 Manual De Instrucciones página 21

Pos. Terminal Description
Terminal for
alarm in case of
D1
too high stator
temperature
GND for alarm
in case of too
D2
high stator tem-
perature
Terminal for
alarm in case of
D3
moisture in the
motor
GND for alarm
in case of
D4
moisture in the
motor
16* Output for alarm
D5 in case of insu-
lation fault
GND for alarm
D6 in case of
insulation fault
Terminal for
D7
warning
GND for
D8
warning
* See appendix Connection example DIGI-OUT IO111.
Data Function
Digital output
24 VDC
Alarm in case of too high temperature in
min. 10 k
the stator windings. The output is
closed during normal operation.
If an alarm occurs, the connection is
broken between D1 and D2.
0 V
Digital output
24 VDC
Alarm in case of moisture in the motor
min. 10 k
part of the pump. The output is closed
during normal operation. If an alarm
occurs, the connection is broken
between D3 and D4.
0 V
Digital output
Alarm in case of too low insulation
24 VDC
value between stator windings and
min. 10 k
earth. The output is closed during
normal operation. If an alarm occurs,
the connection is broken between D5
0 V
and D6.
Digital output Warning. The output is closed during
24 VDC normal operation. If a warning occurs,
min. 10 k the connection is broken between D7
and D8.
The following warnings can occur:
- communication warning
- configuration warning
- too much water in oil
0 V
- stator insulation resistance below
warning limit.
See also 8. Indication and 12. Fault
finding.
Diagram
D1
D2
D3
D4
D5
D6
D7
D8
21