SDC / DHC

Hydraulic Components

 

 

7.3.11Bus communication

7.3.11.1Bus address of central device

Function Control devices SDC and DHC 43 can be connected via a data bus. This makes it possible

•to control additional heating circuits by adding up to four additional central devices.

•to connect wall devices to the central devices and assign heating circuits.

•to cascade multiple heat generators with one built-in central device each.

The following figure shows the maximum possible expansion stage of the bus system.

The individual devices in the SDC/DHC 43 bus system contain a unique address. It is set in the corresponding parameter in the "Data Bus" menu. Assignment is carried out using the table below.

Address

Device type

Assignment

10

SDC/DHC 43

Central device 1 as "base unit"

 

 

 

20

SDC/DHC 43

Additional central device 2

 

 

 

30

SDC/DHC 43

Additional central device 3

 

 

 

40

SDC/DHC 43

Additional central device 4

 

 

 

50

SDC/DHC 43

Additional central device 5

 

 

 

NOTE There must always be a control device with the bus address 10 in

 

the bus system.

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 Bus communication Bus address of central device, Address Device type Assignment
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