Revision: 3.0 Page 41 of 70
Assigning MODBUS addresses
It is essential that each IC 4000 automatic burner control unit
[for MODBUS communication with the SchwankControl central control],
is assigned a unique MODBUS address.
The MODBUS address is set via DIP switch
in the lower right corner of the board.
A maximum of 32 addresses can be assigned per zone.
All IC 4000s are delivered with the MODBUS address 1.
Figure 41: [MODBUS addressing]
IC 4000 delivery status
The automatic burner control unit is parameterised for MODBUS communication in the as-
delivered state.
When used in systems with relay control, the parameterisation must be adapted accordingly
[see separate operating manual of the Schwank heaters used].
Please note that the wiring of the GDM plug must also be changed when used in systems with
relay control.
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