Technical data

Distribution Unit

138--118

DISTRIBUTION

UNIT

3647.DOC010302Edition: Sept. 05, 2005

4.2.3.2 Setting of CAN Bus address

Each device within a CAN bus application has to be identified with an address.

This address must not be twice within this application (bus--conflict)!!

The CAN bus address is already adjusted by the manufacturer.

Below mentioned procedure to adjust the address is only necessary if a second Distribu-

tion Unit should be connected.

To read out the CAN bus address it is only necessary to switch the DIP switches 1 and 2

into the upper position (”OPEN”).

OPEN

DIP--Switch B20

B23

B22

Fig.22: DIP--Switch position to adjust CAN--Bus address

Procedure:

-- Switches 1 and 2 of the DIP--Switch into the upper position. Display = Addr

-- Press push button B22 -- the actual address will be shown in the display.

-- With push button B23 the numbers will count up and with push button B22 the

numbers will count down. The numbers will be shown in the display.

Switches 1 and 2 into the lower position after the final number of the

CAN bus address is adjusted.

-- Operate push button B21 “RESET Processor” (Fig.2/6) or

Switch off and on again the supply voltage to the Distribution Unit;

by this the address is set.