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4.7 Bus protocol
By setting the bus protocol, the type of bus
connection can be chosen.
GENIbus is a Grundfos standard protocol for
Grundfos products.
The Modbus protocol is used for communication
between IO 113 and a control unit from another
supplier.
4.8 ATEX/IEC Ex protection
ATEX/IEC Ex protection can be enabled or disabled
by means of DIP switch 10.
Bus protocol
Description
GENIbus
Grundfos standard protocol for communication
between Grundfos products.
Modbus
Go to the Grundfos Product Center online and
search Literature for document number: 98288208
- IO 113, via Modbus.
ON
DIP
1 2 3 4 5 6 7 8 9 10 11 12
9
9
ATEX/IEC Ex protection
Description
Disabled
Activation of ATEX/IEC Ex protection
enables additional alarms:
• Main bearing temperature too high.
Default alarm temperature: 140 °C
(installation with SM 113)
• Support bearing temperature too
high.
Default alarm temperature: 140 °C
(installation with SM 113)
• Missing signal from bearing sensor
(installation with SM 113)
• Missing signal from WIO/WIA sensor
• Communication alarm (installation
with SM 113).
Enabled
ON
DIP
1 2 3 4 5 6 7 8 9 10 11 12
10
10
