Siemens SIMATIC TI505 Instrukcja Obsługi Pobierz pdf (Strona 34)

Chapter 4: Communications Parameters 31

There are two dipswitches located on the DCU. Dipswitch 1 selects the baud rate and internal

functions. Switches 1 and 2 of dipswitch 1 select the baud rate. Switches 3 through 8 select the

internal functions of dipswitch 1. See the following tables for the recommended settings.

Baud Rate Settings for Dipswitch 1

Baud Rate Switch 1 Switch 2

300 Off Off

1200 On Off

9600 Off On

19200 On On

Internal Function Settings for Dipswitch 1

Switch Function Setting

3 Parity Odd or None

4 Self-Diagnostic Operate

5 Turn-Around Delay No Delay

6 Mode at Power Up PGM or Run

7 Not Used

8 Transmission Mode HEX

Dipswitch 2 sets the slave address of the PLC. This must match the PLC ID in the PLC Name and

Port Parameters Table. The station number can be any number from 1 to 90. The switches are set in

binary with switch 1 representing the least significant bit. See the figure below for an example of

dipswitch 2 with the station number set to 9.

Dipswitch 2

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Siemens SIMATIC TI505 Instrukcja Obsługi Strona 34