Emc-Correct Installation; Settings; Potentiometer; Dip Switches - Grundfos IO 111 Montage- Und Betriebsanleitung

5.3.1 Connecting the WIO sensor
Reset
ON DIP
1 2 3 4 5 6 7 8 9 10
P1 P2 P3 P4 P5
Brown
Fig. 5 Connecting the WIO sensor

5.3.2 EMC-correct installation

It is especially important to ensure an EMC-correct
installation of pumps with frequency converter.
The following rules must be observed:
• Connect the cable screen to earth.
• Do not twist screen ends, as this will destroy the
screen effect at high frequencies. Use cable
clamps as shown in fig. 6.
• It is important to ensure a good electric contact
from the mounting plate through the mounting
screws to the metal cabinet of the frequency
converter.
• Use toothed washers and a galvanically
conducting mounting plate.
Note the insulating plastic
layer between screen and
sheath.
Fig. 6 Screen fixed with cable clamp
10
I1 I2 I3
White
WIO sensor

6. Settings

6.1 Potentiometer

The warning limit for stator insulation resistance is
set by means of a potentiometer (pos. 4) see fig. 1.
The limit can be set between 10 and 1 M.
Note
The alarm limit is 1 M.
1 M
Fig. 7 Potentiometer

6.2 DIP switches

The IO 111 must be configured for the pump
connected by means of the DIP switches (pos. 11),
see fig. 1.
ON
1 2 3 4 5 6 7 8 9 10
Fig. 8 DIP switches
A configuration alarm will be given if
• the configuration does not correspond to the
pump connected.
• the configuration fault is of safety-related
importance (see 8. Indication, point 6).
A configuration warning will be given if
• the configuration fault is of function-related
importance (see 8. Indication, point 15), see
12. Fault finding.
10 M
DIP