If you use a bus signal, the local settings made via
Grundfos GO or the HMI 300 or 301 operating panel will
be overruled. In case the bus signal fails, the product will
run with the local settings made via Grundfos GO or the
HMI 300 or 301 operating panel.
5.8.11 Installing a communication interface module
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the power supply to the product including
the power supply for the signal relays. Wait at least 5
minutes before you make any connections in the
terminal box. Make sure that the power supply cannot
be switched on accidentally.
Use an antistatic service kit when handling electronic
components. This prevents static electricity from
damaging the components.
TM084038
Model J
TM082863
Model K
1. Loosen the four screws and remove the terminal box cover.
2. Remove the CIM (Communication Interface Module) cover (C1)
by pressing the locking tab (D) and lifting the end of the cover
(C2). Then lift the cover off the hooks (C3).
TM069905
Model J
TM082865
Model K
24
English (US)
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