Siemens SIMATIC TI505 Service Manual download pdf (Page 29)

26 Texas Instruments Communication Driver Manual

Dipswitch Settings

The dipswitch block is located at the rear of the CPU. The table below summarizes the dipswitch

settings for the CPU dipswitch.

Switch ON OFF

SW1 CPU Battery CPU battery enabled

SW2 Station Address is 1 Station address is set via MIU (Machine

Interface Unit) or programming software

SW3 Baud rate selection for Serial Interface Port

SW4 Baud rate selection for Serial Interface Port

Dipswitch Settings for Baud Rate

SW3 and SW4 on the dipswitch control the baud rate at which the Serial Interface Port will operate.

Refer to the table below for the baud rates corresponding to the settings of SW3 and SW4.

Baud SW3 SW4

300 Off Off

1200 Off On

9600 On Off

19200 On On

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Siemens SIMATIC TI505 Service Manual Page 29