Siemens SIMATIC 500 Series Description And Operating Instructions page 5

Setting Baud Rates
SIMATIC 545/555/575 System Manual
Switches 3 through 8 are used to set baud rates for Ports 1 and 2. Switches
3, 4, and 5 set Port 1 baud rates. See Table 3-3. Switches 6, 7, and 8 set Port
2 baud rates. See Table 3-4.
Table 3-3 Port 1 Baud Rate Settings
Baud Rate
1
115200
1
57600
38400
19200
9600
2400
1200
300
1
These baud rates are available only on the 555–1105 and 555–1106 CPUs.
Table 3-4 Port 2 Baud Rate Settings
Baud Rate
1
115200
1
57600
38400
19200
9600
2400
1200
300
1
These baud rates are available only on the 555–1105 and 555–1106 CPUs.
NOTE: The baud rates 115,200 and 57,600 are available only on the
555–1105 and 555–1106 CPUs.
SW3 SW4
1 (On) 1 (On)
1 (On) 0 (Off)
1 (On) 0 (Off)
1 (On) 1 (On)
0 (Off) 1 (On)
0 (Off) 0 (Off)
0 (Off) 1 (On)
0 (Off) 0 (Off)
SW6 SW7
1 (On) 1 (On)
1 (On) 0 (Off)
1 (On) 0 (Off)
1 (On) 1 (On)
0 (Off) 1 (On)
0 (Off) 0 (Off)
0 (Off) 1 (On)
0 (Off) 0 (Off)
Installing 505 System Hardware
SW5
0 (Off)
1 (On)
0 (Off)
1 (On)
1 (On)
1 (On)
0 (Off)
0 (Off)
SW8
0 (Off)
1 (On)
0 (Off)
1 (On)
1 (On)
1 (On)
0 (Off)
0 (Off)
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