Setting The Modbus Address - Grundfos CIM 2 Series Installation And Operating Instructions Manual

3
2
1
4
Fig. 3 Example of Modbus connection as
daisy chain
Pos. Description
1 Modbus terminal D1
2 Modbus terminal D0
3 Modbus terminal Common/GND
4 Earth clamp
4

3.2 Setting the Modbus address

The CIM 2XX Modbus module has two hexadecimal
rotary switches for setting the Modbus address.
The two switches are used for setting the four most
significant bits (SW6) and the four least significant
bits (SW7), respectively. See fig. 4.
Fig. 4 Setting the Modbus address
The table below shows examples of Modbus address
settings.
For a complete overview of Modbus addresses, see
the table on page 10.
The Modbus address must be set
Note
decimally from 1 to 247.
Modbus address
8
20
31
247
SW6 SW7
SW6 SW7
0 8
1 4
1 F
F 7